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Experience Level
Entry Level
Qualifications
Strong foundation in machine learning algorithms and frameworks. Proficient in programming languages such as Python, R, or Java. Experience with data processing and analysis tools. Excellent problem-solving skills and a proactive attitude. Ability to work collaboratively in a team and communicate complex ideas effectively.
About the job
About the Role
airapps is hiring an AI/ML Engineer in Madrid. This position focuses on building and improving machine learning solutions that turn data into practical insights. The work involves close collaboration with colleagues from different teams to refine current applications and design new models that support the company’s technology goals.
What You Will Do
Develop machine learning models to solve real business problems
Work with cross-functional teams to improve existing applications
Create new solutions that advance airapps’ technology
Location
This role is based in Madrid.
About airapps
airapps is a leading innovator in the tech industry, focused on delivering advanced AI solutions. With a commitment to excellence and a culture that fosters creativity and growth, airapps is the perfect place for professionals looking to advance their careers in artificial intelligence and machine learning.
About the Role airapps is hiring an AI/ML Engineer in Madrid. This position focuses on building and improving machine learning solutions that turn data into practical insights. The work involves close collaboration with colleagues from different teams to refine current applications and design new models that support the company’s technology goals. What You Will Do Develop machine learning models to solve real business problems Work with cross-functional teams to improve existing applications Create new solutions that advance airapps’ technology Location This role is based in Madrid.
Join Aircall, a leading unicorn in the customer communications sector, revolutionizing how over 22,000 companies engage with their customers globally. Our innovative AI-powered platform integrates voice, SMS, WhatsApp, and AI into a single, compelling workspace, designed to drive revenue, enhance issue resolution, and empower customer-facing teams.Our success is rooted in a clear vision: enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to perform at their peak. This leads to increased revenue, quicker resolutions, and scalable teams that operate with confidence.Headquartered in Paris, with a robust North American base in Seattle, Aircall operates across dynamic cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI enhancements across diverse product lines.At Aircall, you will be part of an evolving company that is ambitious, product-oriented, and execution-driven, where your efforts yield visible impact, swift decision-making, and genuine growth.Our Work Culture: We are deeply customer-focused, data-centric, and committed to achieving significant results. We encourage ownership, ongoing learning, and thoughtful pace. If you excel in a cooperative, fast-paced environment where trust and influence are paramount, you will thrive with us.We are seeking a motivated and passionate Senior AI Software Engineer to enhance our expanding engineering division and contribute to our engineering teams.As a Senior AI Software Engineer, your role will involve the design, development, deployment, and management of AI-driven features that provide substantial value to our customers. Your daily responsibilities will encompass maintaining operational excellence, leveraging metrics and observability, sharing best practices, and mentoring team members across the Engineering department.Quality, excellence, and agility are the bedrock of our delivery processes, and you will be a key player in enhancing these standards. Our development is based on NodeJS and Typescript back-end stacks, tailored to meet specific requirements and always hosted on AWS, creating resilient services that integrate seamlessly with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
Role overview dlocal is seeking a Senior AI Engineer to join its Madrid office. The focus of this position is to build and enhance artificial intelligence solutions that strengthen the company's products and services. What you will do Design, implement, and improve AI algorithms for practical use cases Collaborate with cross-functional teams to address technical challenges Support the development and optimization of dlocal's AI systems Requirements Extensive experience in artificial intelligence and machine learning Strong problem-solving skills and a track record of delivering effective solutions Interest in exploring new technologies and working collaboratively Location This role is based in Madrid.
Join our pioneering team at the Telco Hub in Madrid, where we are at the forefront of integrating IT and telecommunications, leading the charge in crafting and expanding Telco as a Platform (TaaP) on our proprietary layered cloud infrastructure. Our dynamic cross-functional squads are dedicated to delivering innovative services to Europe's top operators.We are committed to providing the ultimate customer experience, grounded in three fundamental principles: Cloud-based – Utilizing the latest technologies to ensure scalability and performance. Automated – Enhancing efficiency through AI, automation, and DevOps practices. Sustainable – Developing a future-ready, eco-conscious infrastructure.If you are an ambitious engineer looking to elevate your skills in a vibrant and collaborative atmosphere, we invite you to help shape the future of telecommunications!Our workforce is crucial to building a reliable and secure infrastructure, the foundation for tomorrow's innovations. With us, you will have outstanding opportunities to thrive in the digital future from day one.Deutsche Telekom Technik GmbH, a subsidiary of Telekom Deutschland GmbH, manages the technical infrastructure nationwide with a team of approximately 19,000 professionals. We design, build, and operate the systems and facilities that support the technical infrastructure on behalf of Telekom Deutschland GmbH.The Tribe Voice & Messaging is responsible for designing, developing, planning, validating, and operating all voice and messaging platforms within the fixed and mobile networks of DT Technik, ensuring top-quality service for our cellular and landline customers.We are currently working on a program to migrate voice and messaging applications to the cloud, merging fixed and mobile systems into a unified solution. We want you on our team to tackle this exciting challenge!Key Responsibilities:The Squad NIMS Core / HSS-FE, within the Tribe Voice & Messaging, oversees the entire lifecycle of the DT Technik IMS HSS Frontend platforms. This includes enabling and maintaining connectivity between IMS nodes and backend subscriber databases. Our team operates with agile methodologies as a DevOps unit, focusing on the design, engineering, development, deployment, and operation of the HSS-FE in close collaboration with our system vendor. A key challenge ahead is to establish a new OneHSS platform leveraging DT Technik’s CaaS Kubernetes platform as part of our Cloud Booster Program.
Ebury is hiring a Senior Data Engineer - AI Platform to join the Data Platform Engineering team in Madrid or Malaga. This hybrid position requires working onsite four days each week, with one day remote. Team focus The Data team supports Ebury’s growth by building, maintaining, and improving the company’s Data Platform. The group works closely with business operations and leads projects that enable new AI initiatives. Key responsibilities Collaborate with the Data Platform team and other domain teams to design and implement new platform features. Develop the Agentic Data Plane (ADP), which serves as a unified, governed interface layer for AI and agentic products. Ensure the platform enables secure and scalable deployment of AI and agentic solutions. Contribute to systems that improve data access, governance, lineage, traceability, and replayability. Work arrangement Role based in Madrid or Malaga. Hybrid schedule: four days onsite, one day remote per week.
Join Aircall, a unicorn and AI-driven customer communications platform, trusted by over 22,000 companies globally to enhance revenue, resolve issues swiftly, and expand customer-facing teams. We are revolutionizing customer communications by integrating voice, SMS, WhatsApp, and AI into a cohesive workspace.Our drive stems from a straightforward principle: empower teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro offers real-time guidance, enabling individuals to excel in their roles. The outcome? Increased revenue, expedited resolutions, and teams that scale with assurance.Headquartered in Paris with a robust North American base in Seattle, Aircall also has teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We pride ourselves on building a product that delights customers and a rapidly growing business, supported by top-tier investors and propelled by swift AI advancements across various product lines.At Aircall, you will become part of a dynamic company. We are ambitious, product-focused, and execution-oriented, fostering visible impact, rapid decision-making, and authentic growth.Our Work Culture at Aircall: We prioritize customer satisfaction, leverage data, and strive for meaningful outcomes. We cherish ownership, ongoing learning, and thoughtful speed. If you thrive in a collaborative, fast-paced atmosphere where trust and impact are paramount, you'll feel right at home.We are in search of an enthusiastic and dedicated Staff Engineer to join our expanding engineering team and serve as a technical leader across various engineering groups.In this role as a Staff Engineer, you will drive influence across teams and domains, lead the delivery of solutions on cross-functional and strategic projects, and act as a technical leader within the engineering organization. You will uphold quality standards and promote the adoption of best practices in architecture, security, and DevOps.Quality, excellence, and agility are the cornerstones of our delivery processes, and you will help elevate these standards. Proficient in NodeJS and Typescript back-end stacks, tailored to each requirement, you will always ensure optimal hosting solutions.
Full-time|On-site|Madrid, Community of Madrid, Spain
About UsEstablished in 2017, Unit8 is a rapidly expanding Swiss consulting firm specializing in AI and data analytics. We are passionate about tackling the intricate challenges faced by traditional sectors such as automotive, chemicals, financial services, manufacturing, and pharmaceuticals. Collaborating with leading organizations across Europe, we address issues that directly impact their operations, finance, manufacturing, and R&D. To date, we have successfully completed over 200 projects and have built a talented team of more than 150 professionals across six office locations.At Unit8, our mission is to promote the integration of AI and Data Science into non-digital industries while facilitating their digital transformation. We actively engage in initiatives that resonate with our values, dedicating resources to pro-bono projects and 'engineering for good' efforts. Discover more about our passions on our YouTube channel and explore our website for further insights into our business and recruitment process.Our Recent ProjectsDeveloping a real-time production line monitoring system for the pharmaceutical industry to enhance manufacturing efficiency using technologies such as AWS, EKS, CloudFormation, Docker, and Python.Creating a system to calculate and deliver global climate scores that assess the impact of climate change on natural disaster risks for the insurance sector, utilizing PySpark, Python, and our proprietary data processing platform.Implementing a modern data science platform that includes a data lake for the chemical industry using Azure, ML Studio, Data Factory, Databricks, and Spark.Your RoleAs Unit8 continues to expand, your role will evolve based on the challenges presented by our clients. As a vital member of agile project teams, your primary mission will be to design and implement solutions and infrastructure that address business challenges.Your key responsibilities will include:Designing, building, maintaining, and troubleshooting data pipelines and processing systems critical for production and analytics applications, employing a diverse array of technologies.Driving optimization, testing, and tooling to enhance data quality.Collaborating with software engineers, machine learning specialists, and stakeholders, seizing learning and leadership opportunities daily.Working within multi-functional agile teams to continuously experiment, iterate, and achieve new product objectives.Engaging with clients to understand their needs and deliver tailored solutions.
Join Aircall, a unicorn and AI-driven customer communications platform that empowers over 22,000 companies globally to optimize revenue, enhance issue resolution speed, and scale their customer-facing teams. We are transforming customer communications by integrating voice, SMS, WhatsApp, and AI into one cohesive workspace.Our growth is fueled by a fundamental principle: enabling teams to work smarter, not harder. With our AI Voice Agent automating routine calls, AI Assist simplifying post-call tasks, and AI Assist Pro offering real-time support, our teams can focus on delivering exceptional results. This translates to increased revenue, quicker resolutions, and teams growing with assurance.Headquartered in Paris with a robust North American presence in Seattle, Aircall operates across major cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our innovative product is beloved by customers, and we are rapidly scaling with the support of world-class investors, driven by cutting-edge AI advancements across our product suite.At Aircall, you will be part of a dynamic organization. We are ambitious, product-focused, and execution-oriented, characterized by impactful contributions, swift decision-making, and genuine growth.Our Working Philosophy: We prioritize customer satisfaction, leverage data insights, and are committed to achieving significant outcomes. We value responsibility, continuous learning, and thoughtful agility. If you thrive in a collaborative and fast-paced environment where trust and impact are paramount, you will find your place with us.About the Role: We are actively seeking a Database Engineer with a platform-oriented mindset to reinforce our Infrastructure department. In this position, you will not merely handle support tickets or adjust SQL queries; rather, you will act as a force multiplier and an facilitator, with a keen focus on reliability and scalability. Your mission will involve transforming your extensive database knowledge into tools and platforms that simplify database management and observability for our product engineers. You will create
Join our dynamic team at Bursonglobalcareers as a Paid Specialist in Madrid! This is an exciting opportunity for individuals passionate about enhancing their skills in a vibrant work environment. As a Paid Specialist, you will be responsible for supporting various projects, collaborating with team members, and contributing to our mission of delivering exceptional results for our clients.
About the Communications Internship Bursong Global Careers is looking for a Communications Intern in Madrid. This role gives direct experience with communication strategies in an international setting. Interns collaborate with team members on projects that support the company's brand and outreach.
Join Aircall, a unicorn and AI-driven customer communications platform, serving over 22,000 companies globally. We are innovating the way businesses communicate by seamlessly integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth stems from a straightforward principle: empower teams to work more efficiently. Our AI Voice Agent automates routine calls, AI Assist enhances post-call tasks, and AI Assist Pro provides real-time support, enabling individuals to excel in their roles. This leads to increased revenue, quicker resolutions, and confident team scalability.With headquarters in Paris and a robust North American presence in Seattle, alongside teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City, we have developed a beloved product and a rapidly expanding business, supported by top-tier investors and driven by swift AI advancements across various product lines.At Aircall, you will be part of a dynamic organization. We are ambitious, focused on product excellence, and committed to execution, ensuring visible impacts, quick decisions, and genuine growth.Our Work Culture: We are deeply customer-focused, data-informed, and dedicated to delivering significant outcomes. We prioritize ownership, ongoing learning, and a thoughtful pace. If you thrive in a collaborative, fast-paced setting where trust and impact are key, you will feel right at home here.Role Overview:As a Senior Backend Software Engineer, you will play a crucial role in designing, developing, deploying, and maintaining essential features that enhance customer value through voice integration.You will be expected to advocate for best practices and provide mentorship within your team and across the engineering department.We are driven by quality, excellence, and agility, and you will contribute to elevating these standards.Utilizing a diverse range of backend technology stacks, tailored to meet specific needs and consistently hosted on AWS, we create resilient services that add value to voice integration and seamlessly connect with our clients' critical business tools such as CRM, Helpdesk, E-Commerce, and more.
Full-time|On-site|Madrid, Comunidad de Madrid, Spain
About UsAt SectureLabs, we are a dedicated team of over 50 technology professionals passionate about delivering quality software, innovative products, and exceptional services to our clients. We are excited to announce the launch of a unique project that embodies the essence of Secture. For this role, we seek a talented individual eager to help develop and nurture our proprietary product. Given the early stages of this project, we prefer candidates who can work on-site in Madrid, as our offices are conveniently located near Marqués de Vadillo.If you are looking for a project or a team that values software quality, embraces best practices, and fosters a fantastic work environment, you are in the right place! Join us and become a part of a collaborative team where you can learn, have fun, and work alongside colleagues who share your passion.Discover more about us at: www.Secture.comOur Team & CultureWe come from diverse technological backgrounds, accustomed to working with agile methodologies, fostering asynchronous communication, and enjoying the freedom and flexibility they provide. This project is still in its early stage, so if you love building and want to contribute your skills to a new venture, we are looking for you! Our small yet tightly-knit team is eager to collaborate and grow our product together.At Secture, we prioritize the well-being of our team, our workplace atmosphere, and our company culture. We are searching for team members who share our values and actively seek a supportive and engaging environment.
Join aircall, a leading AI-driven customer communication platform, as we innovate the way businesses interact with their customers. With over 22,000 companies relying on our services, we integrate voice, SMS, WhatsApp, and AI into a unified workspace designed to enhance efficiency and drive revenue.Our vision is simple yet powerful: empower teams to work smarter, not harder. With tools like our AI Voice Agent for automating routine calls and AI Assist Pro for real-time guidance, we ensure that our teams can achieve peak performance and fast resolutions.Headquartered in Paris, with a strong presence in North America and multiple offices including Madrid, London, and New York City, aircall is backed by top-tier investors and is rapidly evolving through AI innovation across various product lines.At aircall, you will be part of a dynamic and ambitious team focused on impactful results. We prioritize ownership, continuous learning, and agile practices. If you thrive in a collaborative and fast-paced environment, you will flourish here.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our engineering department and contribute to our innovative projects.In this role, you will oversee the design, development, deployment, and maintenance of essential features that deliver significant value to our customers. You will champion operational excellence and best practices while mentoring your team and the wider engineering community.Your work will focus on elevating quality, excellence, and agility within our delivery processes. You will work primarily with NodeJS and Typescript, ensuring our solutions are effectively hosted on AWS.
Full-time|On-site|Madrid, Community of Madrid, Spain
About UsFounded in 2017, Unit8 is a rapidly expanding Swiss consulting firm specializing in AI and data analytics. We are committed to addressing the intricacies of traditional industries such as automotive, chemicals, financial services, manufacturing, and pharmaceuticals. Our collaboration with prominent organizations across Europe allows us to tackle critical business challenges encompassing operations, finance, manufacturing, and R&D. With over 300 successful projects and a team of more than 150 skilled professionals in five locations, we are on a mission to revolutionize the adoption of AI and Data Science in non-digital sectors, driving their digital transformation. We also invest time and resources into projects that resonate with our values, including pro-bono initiatives and engineering for good.Your RoleAs a pivotal member of our agile project teams, you will design, build, and maintain robust data solutions and infrastructures. You will delve into advanced data and AI topics, harnessing the full capabilities of the Palantir Foundry platform to tackle real-world business challenges for our clients.Responsibilities include:Developing, deploying, and troubleshooting intricate data pipelines and processing systems utilizing a blend of open-source and proprietary technologies, with a primary focus on Palantir Foundry.Enhancing optimization, testing, and tooling to guarantee superior data quality.Collaborating with fellow software engineers, ML experts, and stakeholders in a dynamic, cross-functional agile environment.Engaging in multi-functional agile teams to continuously innovate, iterate, and achieve new product goals.Your ProfileWe seek a seasoned Palantir Foundry Engineer who is passionate about data and adept at resolving complex client challenges. Ideal candidates will possess:Proficiency with the Foundry Platform: Proven experience with AIP, Workshop, Code repository, and Pipeline Builder, alongside a firm grasp of security concepts within Foundry, including restricted views and markings. Familiarity with Ontology and Data connection is beneficial.Programming Expertise: Proficiency in Python and PySpark.Data Skills: Understanding of data modeling and foundational principles of data science is a plus.
About Air Apps Air Apps develops AI-powered tools for planning and productivity. Founded in Lisbon in 2018, the company has grown to reach over 100 million downloads worldwide. With offices in Lisbon, San Francisco, and now Madrid, Air Apps remains self-funded and focused on building the world's first AI-driven Personal & Entrepreneurial Resource Planner (PRP). Role Overview: Data Engineer (Onsite in Madrid) The Data Engineer will work onsite at the Madrid office, collaborating with cross-functional teams. This role focuses on analyzing and interpreting data to support business decisions and improve product performance. Relocation support is available for this position. What You Will Do Analyze user behavior, product performance, and business metrics to identify trends and opportunities. Build and maintain interactive dashboards and reports using tools such as Tableau, Looker, Power BI, or Google Data Studio. Collect, clean, and structure large datasets to ensure accuracy and usability. Define and monitor KPIs across marketing, product, and business functions. Use SQL, Python, or R for data extraction, analysis, and manipulation. Work closely with product managers, engineers, and marketing teams to deliver actionable insights. Conduct A/B testing and analyze experiments to guide product improvements. Who We're Looking For Strong analytical skills and a data-driven approach. Experience with data visualization tools (Tableau, Looker, Power BI, or Google Data Studio). Proficiency in SQL, Python, or R. Ability to translate complex data into clear, meaningful insights. This is a fully onsite role based in Madrid, with relocation support available for the right candidate.
Note: Only candidates located in Spain will be considered. Visa sponsorship is not available. Lynx Financial Crime Tech S.A develops AI-driven systems to detect and predict behavioral patterns in financial transactions. The team draws on backgrounds in both finance and academia, focusing on self-learning tools that support low-latency processing for clients in banking, fintech, and commercial sectors. Their solutions work across on-premises and cloud environments. The company values vision, agility, and speed, aiming to build trust with customers and encourage proactive risk management. Lynx supports diversity and equal opportunity, welcoming people from all backgrounds. Role overview This Madrid-based Software Engineer (Python) position centers on building and maintaining an AI-powered anti-money laundering (AML) tool. The platform relies on Big Data and real-time processing to deliver self-learning solutions for the financial sector. Main responsibilities Analyze requirements and contribute to solution design. Develop and maintain a cloud application for AML detection in financial environments. Assess system performance and identify areas for speed improvements. Conduct quality assurance testing to validate new features and changes. Create and manage test cases. Diagnose and resolve software issues. Promote best practices in the use of development repositories and tools.
Join us for an engaging Meet & Greet event hosted by Roland Berger in the vibrant city of Madrid. This is a unique opportunity to learn more about our innovative consulting approach, meet our talented team members, and discover how you can become a part of our dynamic organization.
About HappyRobotHappyRobot is revolutionizing the real economy with its AI-native operating system that seamlessly connects intelligence to action. Our innovative platform integrates real-time data, specialized AI agents, and orchestrated intelligence to empower enterprises in managing complex, mission-critical operations autonomously.Our AI OS enhances knowledge, optimizes processes at every level, and continuously evolves. We are initially focusing on supply chain and industrial-scale operations, where resilience, speed, and ongoing improvement are paramount, allowing humans to concentrate on strategic and creative endeavors.Discover our vision in our Manifesto. HappyRobot has successfully raised $62M, including a recent $44M Series B funding round in September 2025, with backing from prestigious investors such as Y Combinator (YC), Andreessen Horowitz (a16z), and Base10, who share our commitment to transforming enterprise operations. We are dedicated to assembling a top-tier team of individuals driven by determination, exceptional problem-solving abilities, and a passion for pushing boundaries in a dynamic, high-intensity environment. If this resonates with you, we invite you to join us at HappyRobot.Role OverviewWe are seeking a highly skilled and adaptable Forward Deployed Engineer to become an integral part of our team. This role requires a unique blend of strong technical expertise and outstanding communication skills, as you will work directly with customers to maximize their utilization of HappyRobot's AI platform. Your responsibilities will encompass onboarding, implementation, ongoing support, and contributing to product development and innovation.At HappyRobot, we embrace a non-hierarchical structure, operating collaboratively as a team of builders. We execute, we create, we take ownership, and we are deeply invested in our customers' success.What You’ll DoCustomer-Facing Engineering – Collaborate closely with customers throughout their onboarding and ongoing usage to help them effectively integrate and optimize our AI solutions.Technical Development – Create new features, MVPs, and scalable solutions that directly enhance customer outcomes.Full-Stack Development – Leverage technologies such as React, TypeScript, Node.js, and Python to build robust applications and tools.AI/ML Applications – Design, implement, and refine AI/ML solutions, including LLM prompting, voice tuning, and transcription tools to optimize various use cases.
Join Altersolutions as a DevOps Engineer and elevate your career in a vibrant hybrid work environment in Madrid. You'll be part of a dynamic team that is dedicated to leveraging cutting-edge technology and innovative practices to streamline operations and enhance productivity.
Role overview SGS is seeking a DevOps Engineer to join the team in Madrid. The main focus of this role is to enhance continuous integration and deployment processes, aiming to make software delivery more reliable and efficient. What you will do Collaborate with colleagues from various departments to help achieve project objectives Automate tasks and processes to improve workflow efficiency Implement and maintain best practices for managing cloud infrastructure Who we’re looking for Engineers who enjoy solving problems and have a genuine interest in technology Team players who like working together and contributing to the success of projects This position is located in Madrid.
About the Role airapps is hiring an AI/ML Engineer in Madrid. This position focuses on building and improving machine learning solutions that turn data into practical insights. The work involves close collaboration with colleagues from different teams to refine current applications and design new models that support the company’s technology goals. What You Will Do Develop machine learning models to solve real business problems Work with cross-functional teams to improve existing applications Create new solutions that advance airapps’ technology Location This role is based in Madrid.
Join Aircall, a leading unicorn in the customer communications sector, revolutionizing how over 22,000 companies engage with their customers globally. Our innovative AI-powered platform integrates voice, SMS, WhatsApp, and AI into a single, compelling workspace, designed to drive revenue, enhance issue resolution, and empower customer-facing teams.Our success is rooted in a clear vision: enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to perform at their peak. This leads to increased revenue, quicker resolutions, and scalable teams that operate with confidence.Headquartered in Paris, with a robust North American base in Seattle, Aircall operates across dynamic cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI enhancements across diverse product lines.At Aircall, you will be part of an evolving company that is ambitious, product-oriented, and execution-driven, where your efforts yield visible impact, swift decision-making, and genuine growth.Our Work Culture: We are deeply customer-focused, data-centric, and committed to achieving significant results. We encourage ownership, ongoing learning, and thoughtful pace. If you excel in a cooperative, fast-paced environment where trust and influence are paramount, you will thrive with us.We are seeking a motivated and passionate Senior AI Software Engineer to enhance our expanding engineering division and contribute to our engineering teams.As a Senior AI Software Engineer, your role will involve the design, development, deployment, and management of AI-driven features that provide substantial value to our customers. Your daily responsibilities will encompass maintaining operational excellence, leveraging metrics and observability, sharing best practices, and mentoring team members across the Engineering department.Quality, excellence, and agility are the bedrock of our delivery processes, and you will be a key player in enhancing these standards. Our development is based on NodeJS and Typescript back-end stacks, tailored to meet specific requirements and always hosted on AWS, creating resilient services that integrate seamlessly with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
Role overview dlocal is seeking a Senior AI Engineer to join its Madrid office. The focus of this position is to build and enhance artificial intelligence solutions that strengthen the company's products and services. What you will do Design, implement, and improve AI algorithms for practical use cases Collaborate with cross-functional teams to address technical challenges Support the development and optimization of dlocal's AI systems Requirements Extensive experience in artificial intelligence and machine learning Strong problem-solving skills and a track record of delivering effective solutions Interest in exploring new technologies and working collaboratively Location This role is based in Madrid.
Join our pioneering team at the Telco Hub in Madrid, where we are at the forefront of integrating IT and telecommunications, leading the charge in crafting and expanding Telco as a Platform (TaaP) on our proprietary layered cloud infrastructure. Our dynamic cross-functional squads are dedicated to delivering innovative services to Europe's top operators.We are committed to providing the ultimate customer experience, grounded in three fundamental principles: Cloud-based – Utilizing the latest technologies to ensure scalability and performance. Automated – Enhancing efficiency through AI, automation, and DevOps practices. Sustainable – Developing a future-ready, eco-conscious infrastructure.If you are an ambitious engineer looking to elevate your skills in a vibrant and collaborative atmosphere, we invite you to help shape the future of telecommunications!Our workforce is crucial to building a reliable and secure infrastructure, the foundation for tomorrow's innovations. With us, you will have outstanding opportunities to thrive in the digital future from day one.Deutsche Telekom Technik GmbH, a subsidiary of Telekom Deutschland GmbH, manages the technical infrastructure nationwide with a team of approximately 19,000 professionals. We design, build, and operate the systems and facilities that support the technical infrastructure on behalf of Telekom Deutschland GmbH.The Tribe Voice & Messaging is responsible for designing, developing, planning, validating, and operating all voice and messaging platforms within the fixed and mobile networks of DT Technik, ensuring top-quality service for our cellular and landline customers.We are currently working on a program to migrate voice and messaging applications to the cloud, merging fixed and mobile systems into a unified solution. We want you on our team to tackle this exciting challenge!Key Responsibilities:The Squad NIMS Core / HSS-FE, within the Tribe Voice & Messaging, oversees the entire lifecycle of the DT Technik IMS HSS Frontend platforms. This includes enabling and maintaining connectivity between IMS nodes and backend subscriber databases. Our team operates with agile methodologies as a DevOps unit, focusing on the design, engineering, development, deployment, and operation of the HSS-FE in close collaboration with our system vendor. A key challenge ahead is to establish a new OneHSS platform leveraging DT Technik’s CaaS Kubernetes platform as part of our Cloud Booster Program.
Ebury is hiring a Senior Data Engineer - AI Platform to join the Data Platform Engineering team in Madrid or Malaga. This hybrid position requires working onsite four days each week, with one day remote. Team focus The Data team supports Ebury’s growth by building, maintaining, and improving the company’s Data Platform. The group works closely with business operations and leads projects that enable new AI initiatives. Key responsibilities Collaborate with the Data Platform team and other domain teams to design and implement new platform features. Develop the Agentic Data Plane (ADP), which serves as a unified, governed interface layer for AI and agentic products. Ensure the platform enables secure and scalable deployment of AI and agentic solutions. Contribute to systems that improve data access, governance, lineage, traceability, and replayability. Work arrangement Role based in Madrid or Malaga. Hybrid schedule: four days onsite, one day remote per week.
Join Aircall, a unicorn and AI-driven customer communications platform, trusted by over 22,000 companies globally to enhance revenue, resolve issues swiftly, and expand customer-facing teams. We are revolutionizing customer communications by integrating voice, SMS, WhatsApp, and AI into a cohesive workspace.Our drive stems from a straightforward principle: empower teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro offers real-time guidance, enabling individuals to excel in their roles. The outcome? Increased revenue, expedited resolutions, and teams that scale with assurance.Headquartered in Paris with a robust North American base in Seattle, Aircall also has teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We pride ourselves on building a product that delights customers and a rapidly growing business, supported by top-tier investors and propelled by swift AI advancements across various product lines.At Aircall, you will become part of a dynamic company. We are ambitious, product-focused, and execution-oriented, fostering visible impact, rapid decision-making, and authentic growth.Our Work Culture at Aircall: We prioritize customer satisfaction, leverage data, and strive for meaningful outcomes. We cherish ownership, ongoing learning, and thoughtful speed. If you thrive in a collaborative, fast-paced atmosphere where trust and impact are paramount, you'll feel right at home.We are in search of an enthusiastic and dedicated Staff Engineer to join our expanding engineering team and serve as a technical leader across various engineering groups.In this role as a Staff Engineer, you will drive influence across teams and domains, lead the delivery of solutions on cross-functional and strategic projects, and act as a technical leader within the engineering organization. You will uphold quality standards and promote the adoption of best practices in architecture, security, and DevOps.Quality, excellence, and agility are the cornerstones of our delivery processes, and you will help elevate these standards. Proficient in NodeJS and Typescript back-end stacks, tailored to each requirement, you will always ensure optimal hosting solutions.
Full-time|On-site|Madrid, Community of Madrid, Spain
About UsEstablished in 2017, Unit8 is a rapidly expanding Swiss consulting firm specializing in AI and data analytics. We are passionate about tackling the intricate challenges faced by traditional sectors such as automotive, chemicals, financial services, manufacturing, and pharmaceuticals. Collaborating with leading organizations across Europe, we address issues that directly impact their operations, finance, manufacturing, and R&D. To date, we have successfully completed over 200 projects and have built a talented team of more than 150 professionals across six office locations.At Unit8, our mission is to promote the integration of AI and Data Science into non-digital industries while facilitating their digital transformation. We actively engage in initiatives that resonate with our values, dedicating resources to pro-bono projects and 'engineering for good' efforts. Discover more about our passions on our YouTube channel and explore our website for further insights into our business and recruitment process.Our Recent ProjectsDeveloping a real-time production line monitoring system for the pharmaceutical industry to enhance manufacturing efficiency using technologies such as AWS, EKS, CloudFormation, Docker, and Python.Creating a system to calculate and deliver global climate scores that assess the impact of climate change on natural disaster risks for the insurance sector, utilizing PySpark, Python, and our proprietary data processing platform.Implementing a modern data science platform that includes a data lake for the chemical industry using Azure, ML Studio, Data Factory, Databricks, and Spark.Your RoleAs Unit8 continues to expand, your role will evolve based on the challenges presented by our clients. As a vital member of agile project teams, your primary mission will be to design and implement solutions and infrastructure that address business challenges.Your key responsibilities will include:Designing, building, maintaining, and troubleshooting data pipelines and processing systems critical for production and analytics applications, employing a diverse array of technologies.Driving optimization, testing, and tooling to enhance data quality.Collaborating with software engineers, machine learning specialists, and stakeholders, seizing learning and leadership opportunities daily.Working within multi-functional agile teams to continuously experiment, iterate, and achieve new product objectives.Engaging with clients to understand their needs and deliver tailored solutions.
Join Aircall, a unicorn and AI-driven customer communications platform that empowers over 22,000 companies globally to optimize revenue, enhance issue resolution speed, and scale their customer-facing teams. We are transforming customer communications by integrating voice, SMS, WhatsApp, and AI into one cohesive workspace.Our growth is fueled by a fundamental principle: enabling teams to work smarter, not harder. With our AI Voice Agent automating routine calls, AI Assist simplifying post-call tasks, and AI Assist Pro offering real-time support, our teams can focus on delivering exceptional results. This translates to increased revenue, quicker resolutions, and teams growing with assurance.Headquartered in Paris with a robust North American presence in Seattle, Aircall operates across major cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our innovative product is beloved by customers, and we are rapidly scaling with the support of world-class investors, driven by cutting-edge AI advancements across our product suite.At Aircall, you will be part of a dynamic organization. We are ambitious, product-focused, and execution-oriented, characterized by impactful contributions, swift decision-making, and genuine growth.Our Working Philosophy: We prioritize customer satisfaction, leverage data insights, and are committed to achieving significant outcomes. We value responsibility, continuous learning, and thoughtful agility. If you thrive in a collaborative and fast-paced environment where trust and impact are paramount, you will find your place with us.About the Role: We are actively seeking a Database Engineer with a platform-oriented mindset to reinforce our Infrastructure department. In this position, you will not merely handle support tickets or adjust SQL queries; rather, you will act as a force multiplier and an facilitator, with a keen focus on reliability and scalability. Your mission will involve transforming your extensive database knowledge into tools and platforms that simplify database management and observability for our product engineers. You will create
Join our dynamic team at Bursonglobalcareers as a Paid Specialist in Madrid! This is an exciting opportunity for individuals passionate about enhancing their skills in a vibrant work environment. As a Paid Specialist, you will be responsible for supporting various projects, collaborating with team members, and contributing to our mission of delivering exceptional results for our clients.
About the Communications Internship Bursong Global Careers is looking for a Communications Intern in Madrid. This role gives direct experience with communication strategies in an international setting. Interns collaborate with team members on projects that support the company's brand and outreach.
Join Aircall, a unicorn and AI-driven customer communications platform, serving over 22,000 companies globally. We are innovating the way businesses communicate by seamlessly integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth stems from a straightforward principle: empower teams to work more efficiently. Our AI Voice Agent automates routine calls, AI Assist enhances post-call tasks, and AI Assist Pro provides real-time support, enabling individuals to excel in their roles. This leads to increased revenue, quicker resolutions, and confident team scalability.With headquarters in Paris and a robust North American presence in Seattle, alongside teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City, we have developed a beloved product and a rapidly expanding business, supported by top-tier investors and driven by swift AI advancements across various product lines.At Aircall, you will be part of a dynamic organization. We are ambitious, focused on product excellence, and committed to execution, ensuring visible impacts, quick decisions, and genuine growth.Our Work Culture: We are deeply customer-focused, data-informed, and dedicated to delivering significant outcomes. We prioritize ownership, ongoing learning, and a thoughtful pace. If you thrive in a collaborative, fast-paced setting where trust and impact are key, you will feel right at home here.Role Overview:As a Senior Backend Software Engineer, you will play a crucial role in designing, developing, deploying, and maintaining essential features that enhance customer value through voice integration.You will be expected to advocate for best practices and provide mentorship within your team and across the engineering department.We are driven by quality, excellence, and agility, and you will contribute to elevating these standards.Utilizing a diverse range of backend technology stacks, tailored to meet specific needs and consistently hosted on AWS, we create resilient services that add value to voice integration and seamlessly connect with our clients' critical business tools such as CRM, Helpdesk, E-Commerce, and more.
Full-time|On-site|Madrid, Comunidad de Madrid, Spain
About UsAt SectureLabs, we are a dedicated team of over 50 technology professionals passionate about delivering quality software, innovative products, and exceptional services to our clients. We are excited to announce the launch of a unique project that embodies the essence of Secture. For this role, we seek a talented individual eager to help develop and nurture our proprietary product. Given the early stages of this project, we prefer candidates who can work on-site in Madrid, as our offices are conveniently located near Marqués de Vadillo.If you are looking for a project or a team that values software quality, embraces best practices, and fosters a fantastic work environment, you are in the right place! Join us and become a part of a collaborative team where you can learn, have fun, and work alongside colleagues who share your passion.Discover more about us at: www.Secture.comOur Team & CultureWe come from diverse technological backgrounds, accustomed to working with agile methodologies, fostering asynchronous communication, and enjoying the freedom and flexibility they provide. This project is still in its early stage, so if you love building and want to contribute your skills to a new venture, we are looking for you! Our small yet tightly-knit team is eager to collaborate and grow our product together.At Secture, we prioritize the well-being of our team, our workplace atmosphere, and our company culture. We are searching for team members who share our values and actively seek a supportive and engaging environment.
Join aircall, a leading AI-driven customer communication platform, as we innovate the way businesses interact with their customers. With over 22,000 companies relying on our services, we integrate voice, SMS, WhatsApp, and AI into a unified workspace designed to enhance efficiency and drive revenue.Our vision is simple yet powerful: empower teams to work smarter, not harder. With tools like our AI Voice Agent for automating routine calls and AI Assist Pro for real-time guidance, we ensure that our teams can achieve peak performance and fast resolutions.Headquartered in Paris, with a strong presence in North America and multiple offices including Madrid, London, and New York City, aircall is backed by top-tier investors and is rapidly evolving through AI innovation across various product lines.At aircall, you will be part of a dynamic and ambitious team focused on impactful results. We prioritize ownership, continuous learning, and agile practices. If you thrive in a collaborative and fast-paced environment, you will flourish here.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our engineering department and contribute to our innovative projects.In this role, you will oversee the design, development, deployment, and maintenance of essential features that deliver significant value to our customers. You will champion operational excellence and best practices while mentoring your team and the wider engineering community.Your work will focus on elevating quality, excellence, and agility within our delivery processes. You will work primarily with NodeJS and Typescript, ensuring our solutions are effectively hosted on AWS.
Full-time|On-site|Madrid, Community of Madrid, Spain
About UsFounded in 2017, Unit8 is a rapidly expanding Swiss consulting firm specializing in AI and data analytics. We are committed to addressing the intricacies of traditional industries such as automotive, chemicals, financial services, manufacturing, and pharmaceuticals. Our collaboration with prominent organizations across Europe allows us to tackle critical business challenges encompassing operations, finance, manufacturing, and R&D. With over 300 successful projects and a team of more than 150 skilled professionals in five locations, we are on a mission to revolutionize the adoption of AI and Data Science in non-digital sectors, driving their digital transformation. We also invest time and resources into projects that resonate with our values, including pro-bono initiatives and engineering for good.Your RoleAs a pivotal member of our agile project teams, you will design, build, and maintain robust data solutions and infrastructures. You will delve into advanced data and AI topics, harnessing the full capabilities of the Palantir Foundry platform to tackle real-world business challenges for our clients.Responsibilities include:Developing, deploying, and troubleshooting intricate data pipelines and processing systems utilizing a blend of open-source and proprietary technologies, with a primary focus on Palantir Foundry.Enhancing optimization, testing, and tooling to guarantee superior data quality.Collaborating with fellow software engineers, ML experts, and stakeholders in a dynamic, cross-functional agile environment.Engaging in multi-functional agile teams to continuously innovate, iterate, and achieve new product goals.Your ProfileWe seek a seasoned Palantir Foundry Engineer who is passionate about data and adept at resolving complex client challenges. Ideal candidates will possess:Proficiency with the Foundry Platform: Proven experience with AIP, Workshop, Code repository, and Pipeline Builder, alongside a firm grasp of security concepts within Foundry, including restricted views and markings. Familiarity with Ontology and Data connection is beneficial.Programming Expertise: Proficiency in Python and PySpark.Data Skills: Understanding of data modeling and foundational principles of data science is a plus.
About Air Apps Air Apps develops AI-powered tools for planning and productivity. Founded in Lisbon in 2018, the company has grown to reach over 100 million downloads worldwide. With offices in Lisbon, San Francisco, and now Madrid, Air Apps remains self-funded and focused on building the world's first AI-driven Personal & Entrepreneurial Resource Planner (PRP). Role Overview: Data Engineer (Onsite in Madrid) The Data Engineer will work onsite at the Madrid office, collaborating with cross-functional teams. This role focuses on analyzing and interpreting data to support business decisions and improve product performance. Relocation support is available for this position. What You Will Do Analyze user behavior, product performance, and business metrics to identify trends and opportunities. Build and maintain interactive dashboards and reports using tools such as Tableau, Looker, Power BI, or Google Data Studio. Collect, clean, and structure large datasets to ensure accuracy and usability. Define and monitor KPIs across marketing, product, and business functions. Use SQL, Python, or R for data extraction, analysis, and manipulation. Work closely with product managers, engineers, and marketing teams to deliver actionable insights. Conduct A/B testing and analyze experiments to guide product improvements. Who We're Looking For Strong analytical skills and a data-driven approach. Experience with data visualization tools (Tableau, Looker, Power BI, or Google Data Studio). Proficiency in SQL, Python, or R. Ability to translate complex data into clear, meaningful insights. This is a fully onsite role based in Madrid, with relocation support available for the right candidate.
Note: Only candidates located in Spain will be considered. Visa sponsorship is not available. Lynx Financial Crime Tech S.A develops AI-driven systems to detect and predict behavioral patterns in financial transactions. The team draws on backgrounds in both finance and academia, focusing on self-learning tools that support low-latency processing for clients in banking, fintech, and commercial sectors. Their solutions work across on-premises and cloud environments. The company values vision, agility, and speed, aiming to build trust with customers and encourage proactive risk management. Lynx supports diversity and equal opportunity, welcoming people from all backgrounds. Role overview This Madrid-based Software Engineer (Python) position centers on building and maintaining an AI-powered anti-money laundering (AML) tool. The platform relies on Big Data and real-time processing to deliver self-learning solutions for the financial sector. Main responsibilities Analyze requirements and contribute to solution design. Develop and maintain a cloud application for AML detection in financial environments. Assess system performance and identify areas for speed improvements. Conduct quality assurance testing to validate new features and changes. Create and manage test cases. Diagnose and resolve software issues. Promote best practices in the use of development repositories and tools.
Join us for an engaging Meet & Greet event hosted by Roland Berger in the vibrant city of Madrid. This is a unique opportunity to learn more about our innovative consulting approach, meet our talented team members, and discover how you can become a part of our dynamic organization.
About HappyRobotHappyRobot is revolutionizing the real economy with its AI-native operating system that seamlessly connects intelligence to action. Our innovative platform integrates real-time data, specialized AI agents, and orchestrated intelligence to empower enterprises in managing complex, mission-critical operations autonomously.Our AI OS enhances knowledge, optimizes processes at every level, and continuously evolves. We are initially focusing on supply chain and industrial-scale operations, where resilience, speed, and ongoing improvement are paramount, allowing humans to concentrate on strategic and creative endeavors.Discover our vision in our Manifesto. HappyRobot has successfully raised $62M, including a recent $44M Series B funding round in September 2025, with backing from prestigious investors such as Y Combinator (YC), Andreessen Horowitz (a16z), and Base10, who share our commitment to transforming enterprise operations. We are dedicated to assembling a top-tier team of individuals driven by determination, exceptional problem-solving abilities, and a passion for pushing boundaries in a dynamic, high-intensity environment. If this resonates with you, we invite you to join us at HappyRobot.Role OverviewWe are seeking a highly skilled and adaptable Forward Deployed Engineer to become an integral part of our team. This role requires a unique blend of strong technical expertise and outstanding communication skills, as you will work directly with customers to maximize their utilization of HappyRobot's AI platform. Your responsibilities will encompass onboarding, implementation, ongoing support, and contributing to product development and innovation.At HappyRobot, we embrace a non-hierarchical structure, operating collaboratively as a team of builders. We execute, we create, we take ownership, and we are deeply invested in our customers' success.What You’ll DoCustomer-Facing Engineering – Collaborate closely with customers throughout their onboarding and ongoing usage to help them effectively integrate and optimize our AI solutions.Technical Development – Create new features, MVPs, and scalable solutions that directly enhance customer outcomes.Full-Stack Development – Leverage technologies such as React, TypeScript, Node.js, and Python to build robust applications and tools.AI/ML Applications – Design, implement, and refine AI/ML solutions, including LLM prompting, voice tuning, and transcription tools to optimize various use cases.
Join Altersolutions as a DevOps Engineer and elevate your career in a vibrant hybrid work environment in Madrid. You'll be part of a dynamic team that is dedicated to leveraging cutting-edge technology and innovative practices to streamline operations and enhance productivity.
Role overview SGS is seeking a DevOps Engineer to join the team in Madrid. The main focus of this role is to enhance continuous integration and deployment processes, aiming to make software delivery more reliable and efficient. What you will do Collaborate with colleagues from various departments to help achieve project objectives Automate tasks and processes to improve workflow efficiency Implement and maintain best practices for managing cloud infrastructure Who we’re looking for Engineers who enjoy solving problems and have a genuine interest in technology Team players who like working together and contributing to the success of projects This position is located in Madrid.
Apr 22, 2026
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