Senior Security Engineer - Cloud & Platform Security (DevSecOps)

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.

Why Join dLocal?At dLocal, we empower some of the largest global companies to seamlessly collect payments across 40 emerging market countries. Our trusted solutions enhance conversion rates and facilitate effortless payment expansion into the world's most dynamic markets. As both a payment processor and a merchant of record in our operational regions, we enable our merchants to thrive in rapidly growing economies.By becoming part of our innovative team, you will collaborate with over 1,000 talented individuals from more than 30 nationalities, cultivating an international career that positively impacts millions of lives every day. We are passionate builders who embrace challenges, prioritize customer satisfaction, and foster an environment where you can excel.Role OverviewWe are in search of a driven and impactful Senior Data Scientist who thrives in an autonomous environment. In this pivotal role, you won’t just perform tasks; you will take ownership of the objectives, methodologies, and implications of your projects. Acting as a strategic data partner, you will leverage state-of-the-art AI tools to accelerate our efforts and tackle complex challenges that significantly influence dLocal's success.What projects will you undertake? You will engage in developing solutions for anomaly detection, forecasting, and payment routing, requiring expertise in unsupervised learning, hybrid time series models, clustering, and reinforcement learning, all while emphasizing clarity and explainability.

We are seeking a highly skilled Senior AI Operations Engineer to join our innovative team at dlocal. In this pivotal role, you will leverage your expertise in AI and machine learning to enhance our operational processes, ensuring efficiency and effectiveness across our systems. You will collaborate closely with cross-functional teams to implement AI-driven solutions that will optimize our services and improve our overall performance.

Why Join dLocal?dLocal empowers leading global companies to seamlessly collect payments in 40 emerging market countries. Our platform is trusted by major brands to enhance conversion rates and facilitate effortless payment expansion. As both a payment processor and a merchant of record in our operational regions, we enable our merchants to penetrate some of the world’s fastest-growing markets.By becoming part of our dynamic team, you will join over 1000 dedicated professionals from more than 30 countries, forging an international career that positively impacts millions of lives daily. At dLocal, we are innovators who embrace challenges, prioritize customer-centric solutions, and foster a collaborative environment. If this resonates with you, we are confident you will excel with us.What’s the Opportunity?As a Senior Machine Learning Operations (MLOps) & AI Infrastructure Engineer at dLocal, you will play a pivotal role in developing and managing our ML and AI platform, with a strong emphasis on Feature Store and MLOps processes.Your responsibilities will include implementing and enhancing the tools utilized by our Data Science and AI teams to transition models and AI-driven services from concept to production. This encompasses feature pipelines, training and deployment workflows, observability, and automation.A central aspect of your role will involve leveraging agents and AI services to automate various MLOps functions—from feature store operations to managing fraud and anomaly detection workflows, as well as optimizing ML expenses—while collaborating closely with the AI Team and MLOps Technical Referent.

Why Join dLocal?At dLocal, we empower the world’s largest companies to process payments across 40 countries in emerging markets. Our robust payment solutions enable global brands to enhance conversion rates and seamlessly expand their payment capabilities. As both a payment processor and a merchant of record, we facilitate our clients' entry into the fastest-growing emerging markets.By joining our dynamic team, you’ll collaborate with over 1,000 talented individuals from 30+ nationalities, contributing to a career that positively impacts millions of lives daily. We are innovators and problem solvers, committed to delivering exceptional service to our customers. If this resonates with you, we believe you’ll excel in our vibrant environment.What Awaits You?As the MLOps & AI Infrastructure Technical Lead at dLocal, you will serve as the principal technical authority guiding the design, operation, and evolution of our machine learning and AI infrastructure.Your primary goal will be to empower Data Science and AI teams in transitioning models and AI-driven services from conception to production seamlessly, reliably, and in compliance with regulations. You will take ownership of the technical roadmap for our MLOps stack, integrating AI responsibly into our engineering processes while scaling our impact as usage complexity increases.A key component of your role will involve leveraging agents and AI services to automate MLOps tasks—ranging from feature store management and platform operations to fraud detection workflows and ML cost efficiency—collaborating closely with the AI team.This position entails hands-on architectural design and leadership. While you won’t directly manage product models, your influence will be pivotal in shaping how each model and AI element is trained, deployed, monitored, and operated in production.

Are you ready to take your software engineering career to the next level? Join dLocal as a Senior Software Engineer and become part of an innovative team that empowers global brands to seamlessly collect payments in over 40 emerging markets. In this talent pool, you can express your interest in future opportunities within our IT Team. We are looking for passionate engineers who thrive in a dynamic environment and are eager to tackle challenges head-on. As a valued member of our team, you will contribute to projects that impact millions of lives while collaborating with over 1000 diverse professionals from more than 30 nationalities.

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.).

Join dLocal and Shape the Future of Payments!At dLocal, we empower leading global enterprises to streamline payment processing across 40 emerging markets. Our innovative solutions not only enhance conversion rates but also facilitate seamless payment expansion, helping our clients tap into the fastest-growing markets worldwide. As both a payment processor and merchant of record, we enable businesses to thrive in these dynamic environments.By becoming part of our team, you will collaborate with over 1,000 diverse professionals from 30+ nationalities, shaping an international career that positively impacts millions of lives every day. We are a community of builders who embrace challenges, prioritize customer satisfaction, and are driven to innovate. If this resonates with you, we are excited for you to join us!About Agentic Development at dLocalOur Agentic Development product is designed to accelerate software delivery by transforming well-defined requirements into ready-to-review pull requests, tightly integrated with our Software Development Life Cycle (SDLC). This strategic initiative aims to reduce lead times, enhance quality and consistency, and empower developers to focus on higher-value tasks.Role OverviewWe are looking for an experienced AI Product Manager to lead and expand our Agentic Development product. Your primary objectives will be to enhance capabilities, foster product adoption, and significantly reduce development lead times. You will collaborate with teams across Development Productivity, Engineering, AI, Security, and other domains to shape the product roadmap, implement improvements in planning, execution, and validation workflows, and establish the necessary telemetry and change management for enterprise-wide adoption. This role demands hands-on software development experience, alongside expertise in product management and applied AI.Desired MindsetWe value a builder-first mentality in our Product Managers who are outcome-driven, focused on measurable improvements in lead time and quality. You should possess a systems-thinking approach that connects upstream inputs to downstream results, and a pragmatic understanding of AI that clarifies where agents excel and where they fall short, enabling safe instrumentation, gating, and iterative processes.

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.

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.

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.

dLocal connects leading companies with payment solutions across 40 emerging markets. Acting as both a payment processor and merchant of record, dLocal helps merchants expand into high-growth regions while improving conversion rates and simplifying payment operations. The team brings together over 1,000 professionals from more than 30 countries. This international group works on products that impact millions of people worldwide. The company values innovation, embraces challenges, and puts clients first. Role overview The Delivery Solutions Lead will oversee the design and rollout of solutions for major clients. This role manages solution design for new merchants, supports expansion into new markets, and helps introduce new payment methods. Ensuring operational quality and client satisfaction is central to the work. Collaboration is key: the Delivery Solutions Lead bridges cross-functional teams, aligning client expectations with business goals to deliver payment solutions in global markets. What you will do Oversee solution design and implementation for key clients Manage onboarding for new merchants and support market expansion Introduce new payment methods as needed Work with teams across the business to ensure solutions meet client needs and company objectives Maintain operational standards and focus on client satisfaction Requirements Strong leadership skills Experience working in a client-focused environment Comfort working in a fast-moving, international setting

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.

Why Join dLocal?At dLocal, we empower some of the largest companies globally to seamlessly collect payments across 40 countries within emerging markets. Our innovative solutions enhance conversion rates and simplify payment expansion, making us a trusted partner for global brands aiming to penetrate the world's fastest-growing markets.By becoming a part of our team, you will join an extraordinary global workforce of over 1000 professionals from more than 30 nationalities, fostering an international career that influences millions of lives daily. We are builders at heart, embracing challenges and placing our customers at the forefront of everything we do. If this resonates with you, we believe you will flourish in our dynamic environment.What Awaits You? We are in search of a highly proficient Java Specialist to enhance our Core department. In this pivotal role, you will be instrumental in designing and implementing architectural systems that underpin our current and future Java applications. Collaborating closely with the development team, your primary objective will be to ensure that solutions are efficient, scalable, and in alignment with client specifications. To excel in this position, you should possess extensive knowledge of software and architectural design patterns, coupled with advanced Java programming skills. A thorough understanding of the department's overarching requirements and goals is essential. By leveraging your expertise, you will contribute significantly to the ongoing enhancement of our technology stack and play a critical role in shaping the future of our department. Your strategic thinking and ability to grasp the bigger picture will be crucial to your success in this fast-paced and rewarding role.

Role overview The Senior AI Engineer at zooplusse will design and develop advanced AI models to address business objectives and enhance customer solutions. Collaboration with colleagues from various departments is a key part of this role, supporting the delivery of impactful AI-driven projects. What you will do Develop and improve AI models for practical, real-world use cases Partner with cross-functional teams to implement AI solutions Take the lead on AI initiatives that shape business results and customer experiences Location This role is based in Madrid.

Join Aircall, an innovative unicorn transforming customer communications through AI-powered solutions utilized by over 22,000 businesses globally. Our platform unifies voice, SMS, WhatsApp, and AI into a cohesive workspace that enhances efficiency and revenue.With a mission to empower teams to operate smarter, Aircall’s AI Voice Agent automates routine calls while AI Assist and AI Assist Pro provide streamlined processes and real-time assistance, enabling teams to achieve remarkable results.Headquartered in Paris, Aircall has a robust presence in North America with a headquarters in Seattle and teams across cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our rapidly growing business is supported by leading investors and driven by continuous AI innovation across our diverse product lines.Culture at Aircall: We prioritize customer focus, data-driven decision-making, and the delivery of impactful outcomes. Our values include ownership, continuous learning, and a commitment to thoughtful execution. If you thrive in a collaborative and fast-paced environment where trust and impact are prioritized, you will find your place here.We are seeking an enthusiastic and dedicated Senior Software Engineer to contribute to our expanding Communication Platform department as part of the Number Management team. In this role, you will spearhead the design, development, deployment, and maintenance of essential features that significantly enhance customer value.You will actively promote best practices and mentor colleagues within your team and across the engineering department.Our commitment to quality, excellence, and agility is central to our delivery processes, and you will play a vital role in elevating these standards.

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.

Join Causa Prima as a Senior AI / LLM Agent Engineer, where you will play a pivotal role in shaping our innovative product. You will design, develop, and manage autonomous agents that facilitate various critical business processes, including invoice validation, dispute resolution, inter-company negotiations, and cash flow optimization.Your ResponsibilitiesAgent Architecture — Create a robust multi-agent system focusing on agent boundaries, event contracts, orchestration patterns, and the integration of LLM reasoning with deterministic enforcement.Document Processing Pipeline — Develop a system for the ingestion, classification, and structured extraction of financial documents such as invoices and contracts using LLM-based parsing and vision models.Validation & Anomaly Detection — Implement business rule checks, three-way matching, and pricing discrepancy detection to ensure data integrity and identify anomalies over time.Integration Framework — Design integration solutions connecting with Gmail, Google Drive, Slack, banking APIs, crypto wallets, and accounting platforms, including robust authentication and data normalization processes.Knowledge Graph — Build a Neo4j context graph to capture implicit business knowledge, focusing on entity extraction and provenance tracking.Multi-LLM Strategy — Develop a strategy for selecting models per agent, establishing structured output contracts, and creating evaluation frameworks.Compliance & Security — Design systems that operate within a zero-trust model, ensuring agents verify against original data and manage outbound content securely to mitigate risks.QualificationsA minimum of 3 years of experience with Python and/or TypeScript in a production environment.Strong systems design acumen, with a focus on agent boundaries and failure modes.Proven hands-on experience with LLM-powered systems and document AI technologies.Ability to articulate when to use LLMs versus rules engines or traditional ML approaches.Experience in designing data pipelines and integration architectures in production.A strong understanding of security principles and their implications in system design.

Join our dynamic team at zooplusse as a Senior DevOps Engineer. In this pivotal role, you will leverage your expertise to enhance our deployment processes, automate workflows, and improve system reliability. Your contributions will directly impact our product development and technology initiatives, working closely with cross-functional teams to drive innovation.