Empleos de senior full-stack engineer api en Madrid

VDOS busca un/a Full Stack Developer para liderar el diseño, desarrollo y mantenimiento de soluciones y la infraestructura tecnológica que soporta nuestra plataforma de datos y analítica.Necesitamos al menos 5 años de experiencia en desarrollo Full Stack con Java, capacidad para tomar decisiones técnicas y proactividad para proponer mejoras. Se ofrece...

Arsys seeks a Specialist Full-Stack Execution for the Euro Office Performance Group (Server Development) to drive high‑volume feature delivery and rapid bug fixes across the document suite, clearing paths for senior architects and keeping momentum during sprint cycles.You will refactor legacy JavaScript modules with AI‑assisted methods, build vertical...

Orbio is an AI-native human capital management platform building aDigital Workforce for HR .We design and deploy agentic systems that take ownership of operational execution across hiring, onboarding, and employee operations — while keeping humans in control.We work with large, complex organizations across staffing, retail, hospitality, and healthcare. Our...

Schwarz Digits is seeking a software developer to join its cross-functional agile team in Barcelona. You will contribute to the entire development lifecycle, collaborating with QAs, designers, and product owners to deliver high-quality software.The role emphasizes building reliable software and participating in the development of the product, with a focus on...

Maia Care, respaldada por GCO Ventures y Byld, busca un Full Stack Developer para construir y escalar una plataforma digital enfocada en la salud femenina, desde el diseño técnico hasta producción, junto al CTO.Trabajarás en backend (APIs, modelos de datos, pipelines) y aportarás al frontend con Next.Js cuando sea necesario; priorizarás seguridad de...

Allianz Technology seeks a Software Engineer to design, build, test, and maintain software solutions. You will handle technical design, development, and testing, with support and consultation in early concept phases.The role emphasizes agile team collaboration, non-functional requirements, and maintainability across environments. Hybrid work and...

A technology innovator in customer engagement is looking for a Full Stack Engineer to develop advanced software solutions. The candidate will work with AWS for serverless applications, React for front-end development, and Node.Js for back-end services. The ideal applicant has deep experience in AWS, API integrations, and is familiar with tools like Twilio...

BizAway, located in Barcelona, is seeking an enthusiastic Application Engineer (Full-Stack Mobile) to enhance mobile experiences integrated with a robust backend. The ideal candidate shows strong UX passion, problem-solving skills, and experience with React Native and A/B testing. The position offers a permanent contract, hybrid working model, and attractive...

A renowned financial services group in Madrid is looking for a FullStack Engineer to modernize frontend applications and automate processes. The role involves collaboration to build applications across multiple countries, educating team members, and inputting on architecture with a focus on reusability. Candidates should have strong JavaScript/TypeScript...

This role aligns to industry-level titles such asSenior Software Developer .At Pearson, we're transforming the way millions of learners develop English language skills around the world. As part of our English Language Learning division, you'll join an international AI organization working on one of our most strategic digital products. You'll help design and...

Ookla seeks a talented Software Engineer to join a team building next-generation platforms that visualize and analyze data to drive real-world action. You’ll work across full-stack web development using React, Redux Toolkit, and Vite on data visualization portals.You’ll contribute to RESTful APIs with Node.Js, participate in Agile processes, and leverage...

A leading Contract Research Organization is seeking a Full Stack Developer to join their Process Improvement team in Madrid. The role involves architecting and maintaining applications using modern technologies like React, Python, and Azure. You must have a Bachelor's in Computer Science, 5+ years of software development experience, and expertise in Azure...

Grupo Digital busca un/a Senior Full Stack con base sólida en Java/Spring Boot para diseñar, desarrollar y mantener aplicaciones empresariales modernas. Trabajarás con microservicios, REST APIs y IA aplicada al ciclo de vida del desarrollo, desde generación de código hasta testing y documentación.Necesaria experiencia en backend/frontend y capacidad...

Expereo is hiring a Lead Engineer in Barcelona to drive the transformation of their digital platform. You will design and build full-stack applications, mentor engineers, and ensure coding best practices. Required skills include strong proficiency in JavaScript, experience with front-end frameworks like React, and understanding of cloud environments. The...

VeepeeTech in Barcelona seeks a Full-Stack Developer to join the MOM team within the Foundation Tribe. You will design, develop, and maintain APIs and UIs for internal monitoring services, collaborating with MOM and VeepeeCloud to deliver monitoring features in the VeepeeCloud console.The role focuses on software development, with potential future...

BESTSECRET is the leading European online destination for premium and luxury off-price fashion. The Group offers its members in 28 countries across Europe a superior brand portfolio complemented by a high-end shopping experience. At the same time, BESTSECRET enables its brand partners to clear overstock at scale with minimum visibility and maximum brand...

Papayadash is seeking a product-focused engineer to help build the intelligence layer for vehicle fleets in Barcelona. You will be responsible for designing data models, building pipelines, and orchestrating agents that process complex real-world data.This role blends engineering and product development, with a competitive salary ranging from €40,000 to...

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools.The role involves developing frontend and backend features, integrating external services, and collaborating with...

Full Stack Engineer needed to join a remote team, building tools for startups. Requires experience with Rails/Ruby and/or Ember and various tech stacks. Salary: $90,000 - $120,000.

Actual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions.About the client:A German Sustainable Tech Unicorn that is redefining how global corporations handle transparency. Backed by a €130M Series C investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights and...