Empleos de full stack engineer annotator en Madrid

SGS is redefining a legacy system, seeking a founding Product & Platform Engineer to lead architecture and delivery of customer-facing solutions and the engineering platform. You'll own frontend to backend, cloud infrastructure, and deployment pipelines, shaping tooling and standards while mentoring the team. This is a greenfield opportunity to build from...

Bolsas y Mercados Españoles (BME) in Madrid seeks a Software Engineer to join an agile Application Development team. You will deliver high-quality technical products for Spanish Tax Services, collaborating with Business and IT stakeholders to implement enhancements and maintain critical applications. Responsibilities include running operations, incident...

Senior Full Stack Engineer - Agentic Industrial Emissions Platform(React and Go)Full-timeIFS is a billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters–at the Moment of Service™. Our...

**About Ultralytics:** At Ultralytics, we commit to relentless innovation in the AI space and seek team members who resonate with our ambition to produce the world's best YOLO AI models. If you're obsessed with AI, eager to make an impact on the world, and thrive in dynamic, high-intensity environments, we invite you to apply for a position on our...

Elastic is seeking a Software Engineer to join the self-service cloud growth team in Madrid. You will own onboarding experiences for self-service users and trials, contributing as a full-stack engineer on backend and frontend features. Collaborate with PMs and designers to plan, implement, and lead scalable onboarding APIs and agent interfaces. You will work...

Location: Madrid, M, ES About the Team and our Scope Our team, a software house within Swiss Re, develops cloud-native (Azure-based) SaaS/PaaS solutions for external Life & Health insurance clients. Our portfolio includes globally established products and those in growth or incubation stages. We utilize the latest technology and prioritize innovation to stay...

Avance Consulting is seeking a highly capable Full Stack Software Engineer to build scalable products in collaboration with Product and Design teams. You will own features end-to-end—design, develop, test, and deliver in an Agile environment.The role emphasizes Go on the backend and React on the frontend, with strong emphasis on code quality, testing, and...

CAPITOLE CONSULTING busca un Senior Full-Stack Developer para unirse a un proyecto internacional. Desarrollarás y mantendrás aplicaciones escalables con Java y Spring Boot, y componentes frontend con Angular, TypeScript, JavaScript, HTML y CSS.Trabajarás en todo el ciclo de vida de las apps, participarás en decisiones técnicas y de arquitectura, y...

Future Connections in Spain seeks a Senior Full-Stack Engineer to join our Network Intelligence team. You will work across data analytics, backend Python services, and modern front-end interfaces, building cross-platform applications for network optimisation and performance monitoring.You will leverage Pandas, NumPy, FastAPI, Flask, React, and TypeScript,...

Enfint ищет инженера, который возьмёт на себя ответственность за несколько продуктовых поверхностей, охватывающих UI, Postgres и edge‑функции, от разработки до эксплуатации. Кандидат будет строить и...

Apply for Full Stack Software Engineer | Inglés | Híbrido Madrid Centro at knowmad mood in Madrid, MD, ES. This Full time on site position offers great opportunities for career growth.Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la...

Parser is seeking a Full Stack Engineer to join our Madrid team, shaping scalable solutions across frontend, backend, and infrastructure through close collaboration with cross-functional engineers. You will work on modern stacks to deliver technology-driven outcomes.You will engage with React on the frontend, RESTful APIs on the backend, and cloud platforms...

Remoteo en Barcelona busca un Full Stack Developer para unirse al Digital Innovation Hub. Se trabajará en desarrollo de aplicaciones web SPA con Java, Spring Boot y React, en un entorno híbrido con 3 días de teletrabajo por semana.El equipo se centra en ecommerce, configuración de producto y analytics, buscando tomar ownership, colaborar con negocio y...

UST, a multinational digital technology leader, seeks a Senior Full Stack Developer (.NET & Angular) to join an international project in Madrid. You will design, develop, and maintain scalable applications while collaborating with cross-functional teams in an Agile environment.Required: 5+ years in software development, strong .NET/C#, Angular, SQL, REST,...

Virtusa is seeking a Knowledge Graph (Full Stack) Engineer in Barcelona to design, build, and maintain scalable data pipelines and a knowledge graph for agentic AI use cases. You will work with data scientists, ontologists, and stakeholders to translate requirements into robust data-driven solutions.You will develop data ingestion, transformation, and API...

Mainloop Barcelona is seeking Full-Stack Engineers to join an AI-native engineering team. Based in Barcelona, you will help build production software from scratch, growing with the company as it scales and externalises its products over the next 18 months.Two levels exist: four junior seats and one senior seat. You will collaborate with a Product Owner to...

Jobtailor in Madrid seeks a French-speaking Full‑stack AI Engineer to collaborate with customers from onboarding to deployment. You will build features using React, TypeScript, Node.Js, and Python, and design AI/ML solutions including LLM prompting and tuning to support valued customer outcomes.You will manage APIs and third‑party integrations while...

Jobtailor is seeking a driven full-stack engineer to work closely with customers from onboarding through ongoing usage, helping them integrate and optimize our AI solutions.You will build new features and scalable tools using React, TypeScript, Node.Js, and Python, while designing AI/ML applications and refining LLM prompts to improve outcomes. Collaboration...

# Senior Full Stack Engineer (Python) | Ciberseguridad | Barcelona### Resumen del puestoBarcelona### Modelo de trabajoHíbrido · 3 días en casahace 2 díasDescripción del puesto## Sobre la posiciónColaboramos con el hub tecnológico en Barcelona de uno de los mayores grupos empresariales de Europa, con presencia en más de 30 países. Es una empresa...

Mondelēz International in Madrid, Spain, is seeking an AI Engineer / Full Stack Developer to join a growing AI reporting and insights platform. You will design data pipelines, build AI/ML workflows, and ship full stack apps that surface insights to stakeholders across global teams. You will collaborate with Product, Data Science, and Business to translate...