Lead Machine Learning Engineer

Join Visium as the AI Engineering & Platform Lead, where you will spearhead innovative AI projects and lead a dynamic team of engineers. Your expertise will drive the development of cutting-edge AI solutions that enhance our platform capabilities. We seek a visionary leader who thrives in a fast-paced environment and is passionate about leveraging AI to solve real-world challenges.

Docplanner is looking for a Senior Platform Engineer to join the AI Platform Team. This fully remote position is open to candidates based anywhere in Spain. Role overview This role focuses on building and maintaining the core platform that supports Docplanner’s AI-driven healthcare solutions. The AI Platform Team plays a key part in enabling products that help patients connect with healthcare providers and assist doctors in managing appointments more efficiently. About Docplanner With over 12 years in the healthcare technology space, Docplanner (also known as Doctoralia in some countries) serves more than 90 million patients each month across 13 countries. Over 300,000 specialists use Docplanner’s tools to improve patient care. The company is backed by investors such as Point Nine Capital, Goldman Sachs Asset Management, and One Peak Partners. The global team numbers over 2,500 people, combining the reach of a large company with the spirit of a startup. Our Tech Team More than 400 professionals in Engineering, Data, and Product work together to deliver and maintain Docplanner’s platform. Many team members have grown their careers here for years, and new colleagues are welcomed with genuine enthusiasm. To learn more about the team and culture, visit the Docplanner Tech site, check out Glassdoor reviews, or watch this video. Work environment Every team member at Docplanner can make a direct impact on how people experience healthcare. The company values individuality and encourages everyone to bring their authentic selves to work. The engineering team operates fully remotely within Spain, giving each person the flexibility to choose their ideal work environment.

Role overview N26 seeks an Engineering Manager to lead the Data Platform team in Barcelona. The team is shifting from a service-oriented approach to a product-focused platform, emphasizing automation, scalability, integration, and tools that empower developers. What you will do Guide the Data Platform team through a period of transformation, supporting both technical and organizational change. Shape and execute long-term strategies that promote scalable ownership models within the organization. Enable teams across N26 to use platform capabilities independently and securely. Develop a team with strong operational skills into a self-sufficient group delivering compliant and reliable platform solutions. Support development teams and help strengthen the platform ecosystem. Take ownership of the team’s scope, including strategy, execution, and structure. Impact This position plays a key role in how N26 builds, operates, and scales data and AI-driven products. The work will help deliver dependable and compliant solutions for teams throughout the company.

Join Datavant as a Senior Platform Engineer and play a pivotal role in shaping our platform's architecture and functionality. We are seeking an innovative and technically proficient individual who thrives in a fast-paced environment. You will be responsible for developing scalable solutions, ensuring the reliability of our services, and collaborating with cross-functional teams to enhance our platform's features.

About the RoleAs the Principal AI Platform Solution Architect at Visium, you will play a pivotal role in shaping the architecture of AI and data platforms on Azure. Your expertise will bridge the gap between business strategy and technical execution, thereby enabling the creation of scalable, secure, and innovative AI solutions.Your ResponsibilitiesIn this role, you will:Lead the design and implementation of comprehensive AI and data platforms on Azure.Establish architecture standards, best practices, and governance frameworks for AI solutions.Evaluate and integrate emerging AI technologies into the platform strategy.Collaborate with stakeholders to translate business needs into technical solutions.Provide mentorship and guidance to engineering and data teams.Ensure that AI platforms meet performance, scalability, security, and compliance requirements.QualificationsTo excel in this position, you should possess:8+ years of experience in AI, data, or cloud architecture roles.Extensive knowledge of Azure AI and data services (e.g., Azure ML, Synapse, Databricks, Cognitive Services).Strong background in designing scalable, cloud-native AI solutions.In-depth understanding of AI/ML pipelines, MLOps, and data governance.Demonstrated ability to influence and align senior stakeholders on technical strategy.Excellent communication skills with experience in mentoring teams.

About Us: Axiomatic AI is pioneering a new generation of artificial intelligence systems that utilize the scientific method's rigor. By integrating deep learning with formal logic and physics-based modeling, we develop verifiable and interpretable AI systems that work alongside human researchers in critical scientific and engineering tasks. Our ambitious mission, dubbed 30×30, aims to achieve a 30-fold enhancement in the speed, accessibility, and cost-effectiveness of semiconductor and photonic hardware development by the year 2030. We are dedicated to transforming hardware design and simulation in these fields and are assembling a team of driven professionals to transition these groundbreaking innovations from research to commercial applications. Position Overview: As a Senior Platform Engineer at Axiomatic, you will take ownership of the reliability, deployment, and operational excellence of our AI platform. This role will primarily focus on infrastructure, CI/CD, and operations, with additional responsibilities in automation and tooling development. Your Responsibilities Include: Leading deployment strategies and CI/CD pipelines across various environments. Architecting and maintaining multi-cloud infrastructure (Azure, AWS, GCP) alongside on-premise deployments. Managing infrastructure as code using Terraform to automate provisioning and configuration tasks. Building robust observability systems encompassing monitoring, metrics, logging, and alerting. Implementing security measures, compliance frameworks, and data governance policies. Creating automation tools, APIs, and scripts (Python) to boost operational efficiency. Ensuring system reliability, performance, and scalability. Driving incident response processes, conducting postmortems, and fostering continuous improvement. Troubleshooting infrastructure and application issues across multiple environments. Your Mission: Deployment & CI/CD: Designing and implementing deployment pipelines for multi-environment releases (development, staging, production). Owning the complete deployment lifecycle: build, test, release, and rollback strategies. Executing blue-green deployments, canary releases, and progressive rollouts. Developing automated deployment tools and workflows to streamline processes. Ensuring zero-downtime deployments and effective rollback capabilities.

Axiomatic AI offers a Software Engineering Internship focused on Platform and DevOps. This position is available in Boston, US or Castelldefels (Barcelona), Spain. Role overview Interns will join experienced engineers to support platform reliability and efficiency. The work centers on refining development workflows and deployment processes. Projects often involve applying artificial intelligence to practical challenges. What you will do Collaborate with engineers to enhance platform performance Assist in improving development and deployment pipelines Contribute to initiatives that use AI in real-world applications Internship experience Direct involvement with current platform and DevOps methods Insight into active AI projects Work closely with a knowledgeable engineering team

About Prosper AIProsper AI is at the forefront of innovation, specializing in AI Phone Agents designed for the healthcare sector. Our mission is to deliver human-like expertise while dramatically reducing operational costs. Our AI Agents efficiently manage a variety of tasks such as patient outreach, claims status inquiries, benefit verifications, prior authorizations, scheduling, and balance reminders. We are dedicated to eliminating $200 billion in administrative waste, enabling healthcare professionals to devote more time to patient care instead of administrative duties.Your RoleJoin us at Prosper as we redefine the capabilities of real-time AI technology. As a Software Engineer, your primary focus will be on designing and scaling our robust platform, including low-latency speech and LLM pipelines, orchestration layers, and reliability systems that empower our AI voice agents to engage in complex healthcare conversations with clarity and efficiency. This position is a full-time, on-site opportunity based in Barcelona with the potential for relocation to our New York office.Qualifications1-3 years of hands-on experience in developing end-to-end software solutions, from architecture to deployment.Proficiency in technologies that drive our stack, particularly FastAPI (Python) for backend development and React (TypeScript) for frontend.Experience in managing large-scale distributed systems with asynchronous workload orchestration.Familiarity with LLMs, AI agents, or other machine learning models is advantageous; we utilize Pipecat for our voice agents.A founder mindset: take ownership and work diligently, viewing Prosper as a stepping stone to your future entrepreneurial endeavors.Prepared to tackle the complexities of deploying AI voice agents for thousands of daily calls.Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Physics, or a related field (or equivalent experience).Interview ProcessInitial conversation to discuss your background, aspirations, and career goals (30 minutes).Completion of a take-home challenge to be reviewed in the subsequent interview.Discussion of your solution with our engineering team to evaluate your approach and thought process.

dlocal seeks a Head of Platform Engineering based in Barcelona to lead the team behind its platform. This group designs and builds the systems that power dlocal’s global payment solutions, with a focus on scalability, reliability, and performance. Key responsibilities Direct the design and development of core systems supporting the platform Guide engineers in software development, architecture, and deployment methods Encourage innovation while upholding high standards for performance and reliability Collaborate with cross-functional teams to deliver projects aligned with business priorities Advance strategic efforts that enhance user experience and drive company growth Requirements Proven experience leading platform engineering teams Deep knowledge of designing scalable and reliable systems Ability to define technical direction and promote sound engineering practices Strong collaboration skills for working across teams toward shared goals

Blacklane is seeking a Platform Engineering Manager to join the team in either Barcelona or Madrid. The focus of this role is to turn the internal platform into a unified product that connects infrastructure with developer needs. The manager will lead a growing team, aiming to streamline the developer experience and help product teams deliver more effectively. Key Responsibilities Define the direction and structure of the platform in partnership with a Staff Engineer, shaping both the team and the roadmap. Establish and maintain standards for engineering quality, prioritizing strong outcomes over simply closing tickets. Oversee delivery schedules and project scope, making decisions that influence business results. Clarify ambiguous requirements and translate them into clear, actionable plans, balancing progress with thoughtful trade-offs. Coach and support the Platform team, fostering growth, performance, and collaboration. Communicate openly with other Engineering Managers to coordinate expectations and manage dependencies. Requirements Background in Platform, Backend, or Data Engineering, with experience building and leading effective teams. Proactive in identifying and addressing challenges, able to develop business cases, gain support, and follow through on plans. Skilled at managing complex, cross-team projects and delivering strong results. Dedicated to continuous learning and consistently completes work to a high standard. Location This role is based in Barcelona or Madrid.

N26 is looking for a Site Reliability Engineer to join the Platform Engineering team in Barcelona. This role centers on supporting the reliability and performance of the company’s banking platform. Role overview As a Site Reliability Engineer, the main focus is on developing, improving, and maintaining platform systems. Daily work involves collaborating with colleagues from various teams to keep systems stable and efficient. Key responsibilities Work closely with cross-functional teams to support platform operations Enhance and maintain system reliability and performance Implement monitoring solutions and automation tools Participate in incident response and help drive improvements Location This position is based in Barcelona.

Position: Lead Software Engineer (MLOps, GCP)Employment Type: Full-timeStart Date: March 2026About UsAt Visium, we empower enterprise leaders to shape their AI and data strategies, drive transformative initiatives, and seamlessly integrate AI into their operations, making their organizations resilient for the future. With unparalleled expertise in strategy, architecture, cloud engineering, analytics, artificial intelligence, and machine learning, we help our clients harness and scale the potential of their data.Join us on our mission to create a brighter future by fostering ethical and future-ready organizations. Become a part of our dynamic team of innovators, visionaries, and doers – the Visiumees.Are you ready to join us?Your RoleWe are seeking a highly skilled Lead Software Engineer with a focus on Machine Learning. The ideal candidate will have extensive experience in developing production-grade systems and a strong background in MLOps and ML systems. This role emphasizes software development excellence through clean architecture design, high-quality code writing, and the operation of reliable systems at scale. You will collaborate with business stakeholders to create scalable, maintainable, and impactful ML solutions on Google Cloud Platform.Design, develop, and maintain scalable and reliable software systems that support various ML use cases.Take ownership of production services from end to end (design, implementation, testing, deployment, monitoring).Implement and advocate for software engineering best practices (clean code, architectural patterns, testing, CI/CD).Build and maintain APIs, services, and data pipelines integral to ML systems.Establish MLOps workflows with a strong focus on automation, reproducibility, and monitoring.Design and operate cloud-native systems on Google Cloud Platform.Work closely with ML engineers and data scientists to integrate models into production systems.Effectively communicate with stakeholders and participate in technical decision-making.QualificationsTo qualify for this role, you should possess:A minimum of 6 years of experience in software engineering.Exceptional programming skills and proven experience in building production systems.A solid foundation in software architecture, system design, and distributed systems.Experience applying engineering best practices in real-world scenarios.Hands-on experience with cloud platforms, particularly Google Cloud Platform (GCP).Experience with CI/CD, infrastructure as code, and production monitoring.Strong communication and stakeholder management skills.Willingness to work on-site in Winterthur once a week or travel if based outside of Switzerland.

About seQuraseQura is at the forefront of innovative payment solutions, enabling merchants to enhance customer acquisition, conversion, and retention seamlessly.Our tailored solutions cater to diverse sectors including Retail, Education, Optics, and Travel, making significant strides in sales performance. We empower consumers with smart shopping options that offer value, convenience, and flexibility, providing new payment experiences that enable savings, access to interest-free credit, and manageable installment plans of up to 24 months.Founded in the vibrant city of Barcelona, seQura is a privately-owned fintech in a dynamic scale-up phase. With a presence in Southern Europe and Latin America, we are experiencing remarkable growth, achieving over 50% CAGR and exceeding 100 million in Annual Recurring Revenue. Our reputation is bolstered by the trust of over 5,000 businesses and 2 million shoppers, with an impressive NPS of 87%, a Trustpilot rating of 4.5/5, and a Glassdoor rating of 4.3/5.About the Role We are seeking a seasoned Senior Data Platform Engineer to join our Data Platform team, where you will play a critical role in scaling seQura’s data ecosystem through innovative automation, robust platform capabilities, and intuitive self-service tooling.Your primary mission will be to advance our Data Platform as a Product, empowering software engineers, analysts, data scientists, and business teams to harness data effectively throughout its lifecycle—from ingestion to discovery—while embedding security, governance, and reliability into the platform by default. You will enable teams across the organization to access trusted data and make informed, data-driven decisions.This position extends beyond merely constructing data pipelines; you will be responsible for designing the guardrails, abstractions, and platform capabilities that facilitate other teams in building and scaling their own data products safely and efficiently.You will thrive in our cloud-native AWS environment, where Infrastructure as Code, observability, and automation are foundational engineering principles.Challenges You'll Tackle ...

Join Prosper AI as an AI StrategistLocation: Barcelona (On-site)Type: Full-timeAbout Prosper AIAt Prosper AI, we are revolutionizing healthcare through our innovative AI Phone Agents that provide human-like expertise while drastically cutting costs. Our AI agents streamline administrative tasks such as patient scheduling, claims status checks, and benefit verifications, aiming to eliminate $200 billion in administrative waste, thus allowing healthcare professionals to concentrate more on patient care.About the RoleAs an AI Strategist, you will be pivotal in deploying and optimizing our AI agents across some of the most intricate healthcare organizations globally. You will lead strategic initiatives from configuration to full-scale production, ensuring measurable impacts for our clients. Your insights will help refine our external deployments and internal best practices.Key ResponsibilitiesOversee the complete deployment of AI agents on Prosper AI’s platform for U.S. healthcare clients, including hospitals and clinics.Collaborate with clients and internal teams to map out administrative workflows and pinpoint areas ripe for AI-driven automation.Evaluate deployment performance data to identify challenges and promote continuous improvement.Create and enhance internal playbooks and frameworks to expedite future deployments.Transform complex operational challenges into actionable strategies that connect technology with healthcare operations.Who You AreHolds a Bachelor’s degree or higher in Computer Science, Engineering, Business, Economics, or a related field.Possesses strong analytical skills with the ability to dissect complex processes for AI impact.Demonstrates a passion for the convergence of AI, healthcare, and operations.Thrives in a dynamic startup environment with evolving priorities and significant ownership.Bonus: Familiarity with healthcare workflows, LLMs, automation tools, or enterprise software deployments is a plus.

Perk creates software that streamlines travel bookings, expense management, and invoicing for organizations worldwide. The company supports over 10,000 clients, including well-known brands such as Wise, On Running, Breitling, and Fabletics, helping them reduce administrative workload and improve productivity. Since its founding in 2015, Perk has expanded to more than 1,800 employees from over 70 countries, with main offices in London and Boston. The team values ownership, delivering strong experiences, collaboration, and curiosity. Perk aims to help employees make a meaningful impact and develop their skills in a supportive environment. More details about Perk are available at www.perk.com. Role overview The Engineering Manager for the Financial Platform leads a team focused on safeguarding Perk's financial systems. This position oversees the development and maintenance of a robust financial framework, with particular attention to automating reconciliation and reporting processes. Accuracy and reliability are central as the company continues to expand and handle increasingly complex financial operations. Location This position is based in Barcelona.

Join the cutting-edge AI Special Forces team at Darwin AI! We are seeking a driven and enthusiastic AI Engineer who is passionate about leveraging technology to provide exceptional support to our clients. This role is ideal for individuals who thrive on solving complex problems and have a keen interest in the intricacies of technology and artificial intelligence.As an AI Engineer, you will be at the forefront of client interactions, serving as the primary resource for resolving challenges related to AI agents and their integration with external systems. Your responsibilities will involve direct communication with clients to address inquiries, troubleshoot issues, and collaborate with internal teams including Customer Success, Onboarding, Product, and Engineering to ensure timely and comprehensive resolutions. Your contributions are vital in fostering strong client relationships and enhancing the overall Darwin AI experience.Key Responsibilities:Promptly respond to customer inquiries through WhatsApp, email, and Slack, ensuring high levels of satisfaction.Diagnose and resolve technical issues, particularly those involving AI behavior, configurations, and API integrations.Monitor alerts from internal tools and customer feedback on the Darwin platform to take necessary actions.Collaborate closely with Product and Engineering teams, escalating complex challenges and contributing to product enhancements.Maintain detailed documentation of support activities to ensure accurate tracking of issues and solutions.Identify recurring problems and assist in developing internal documentation and FAQs.Work alongside Customer Success and Onboarding teams to ensure a seamless client journey.Review AI conversations to uncover bugs or areas for improvement.Ensure all critical feedback and issues are addressed within the specified SLA.

Prosper AI creates AI Phone Agents tailored for the healthcare sector. These agents support tasks such as patient communications, claims status checks, benefits verification, prior authorization management, and appointment scheduling. The company aims to reduce administrative waste in healthcare, freeing up professionals to focus on direct patient care. Role overview The Forward Deployed Engineer will contribute to advancing Prosper AI’s real-time voice agent technology. This position focuses on building agents that communicate effectively and integrate smoothly with client systems. High performance and low latency are essential requirements. Collaboration with AI Product Managers is a key part of the role, identifying technical enhancements and fine-tuning agent performance to match each client’s needs. Location This is a full-time role based in Barcelona. There may be future opportunities to transfer to the New York office.

About UsAt Perk, we are revolutionizing travel and spend management through our intelligent platform designed to eliminate tedious manual tasks. Our innovative tools automate everything from travel bookings to expense management, enabling employees to focus on what truly matters. With a mission to boost productivity and foster innovation, we aim to tackle the $1.7 trillion problem of lost productivity, which costs employees an average of 7 hours of productivity each week.Founded in 2015, Perk has rapidly grown to over 1,800 employees across 12 offices worldwide, with our headquarters situated in London and Boston. Our commitment to innovation, simplicity, and control shapes how businesses operate and improves employee satisfaction.We uphold values like ownership, delivering a stellar 7-star experience, and teamwork. At Perk, we believe in the power of curiosity, purpose, and mindset in unlocking your full potential. Our diverse talent team comprises experts from the travel and SaaS industries across 70+ countries. If you are passionate about making a significant impact and transforming the work experience for millions, we invite you to join our team.To learn more about us, visit www.perk.com.In the Platform function at Perk, we establish the foundational infrastructure that supports our entire organization. We manage shared infrastructure, core services, and developer tools that empower product teams to innovate swiftly while ensuring stability. Our contributions may be behind the scenes, but their effects are felt throughout the company in terms of reliability, scalability, security, and developer experience.

Join our elite AI Special Forces team at Darwin AI! We are seeking a dynamic and enthusiastic AI Support Specialist who is committed to providing rapid, effective, and high-quality assistance to our clients. If you are passionate about technology and AI, and enjoy tackling challenges head-on, this role is a perfect fit for you.As an AI Support Specialist, you will be instrumental in addressing client inquiries and resolving issues related to their AI agents. You will serve as the frontline for clients needing assistance with technical problems and system integrations. Your ability to troubleshoot effectively and collaborate with teams across Customer Success, Product, and Engineering will ensure that our clients receive exceptional support and maintain a strong relationship with Darwin AI.Your responsibilities will include:Responding to customer inquiries through platforms such as WhatsApp, email, and Slack, ensuring swift responses and high satisfaction rates.Troubleshooting and resolving technical issues, particularly those involving AI behavior, configuration, and API integrations.Monitoring alerts from internal tools and acting upon customer feedback submitted through the Darwin platform.Collaborating closely with Product and Engineering teams to escalate complex issues and contribute to product enhancements.Documenting support activities in our systems to maintain accurate records of issues and solutions.Identifying recurrent issues and assisting in the development of internal documentation and FAQs.Teaming up with Customer Success and Onboarding to provide a seamless customer experience.Auditing AI interactions to discover bugs or areas for improvement.Ensuring that all critical feedback and issues are resolved within agreed service level agreements (SLAs).