Empleos de full stack developer en Barcelona

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Responsibilities Engineers at haddock are action-oriented, curious, autonomous, and take full ownership of their work. Architect technical solutions Build backend and frontend code (80% backend, 20% frontend) Engineer AI workflows, balancing latency, cost and accuracy Do your own project management, rolling out your initiatives to customers Track users,...

All roles Founding Full Stack Product Engineer We're making scientific computing invisible. Barcelona HybridSenior €60k-90k + real pre-seed equity Temple Compute is a deep-tech company founded by Barcelona Supercomputing Center ex-researchers. Our platform lets biotech teams, materials scientists, and AI researchers run complex simulation workflows...

🚀 Software Engineer Full-Stack | Node.js + React + IA / MCP | Barcelona (Híbrido)En Capitole seguimos creciendo y queremos hacerlo contigo 🚀Buscamos un/a Software Engineer Full-Stack para incorporarse a una multinacional del sector HR / Payroll con sede en Barcelona centro, participando en iniciativas técnicas de vanguardia con foco en IA moderna,...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

FuncionesDiseñar, desarrollar y mantener aplicaciones web escalables y de alto rendimiento.Implementar nuevas funcionalidades utilizando tecnologías modernas de desarrollo Front-End y Full-Stack.Integrar y consumir APIs REST garantizando la calidad, seguridad y mantenibilidad de las soluciones.Participar en el diseño técnico y la definición de...

Maia Care, respaldada por GCO Ventures y Byld, busca un Desarrollador Full Stack para impulsar el producto digital desde sus inicios, trabajando junto al CTO para evolucionar el producto y las arquitecturas cloud.El rol se orienta al desarrollo back-end con contribuciones al front-end cuando sea necesario, usando Next.js, TypeScript, Nest.js y Python...

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...

A pioneering healthcare technology company based in Barcelona is seeking a Senior Full Stack ML Engineer to lead the development of innovative machine learning models targeted at solving complex healthcare challenges. The role demands strong Python skills, experience in data science, and the ability to mentor colleagues. As part of a collaborative team, you...

Festo España in Barcelona is seeking a talented Full Stack Developer to join our Digital Innovation Hub. You will contribute to strategic digital initiatives across eCommerce, product configuration, analytics, and digital sales innovation.You will develop and maintain SPAs, collaborate with cross-functional teams, and own parts of the stack in a...

We're looking for a Full Stack Engineer for one of our clients who enjoys building new products from the ground up and is eager to help shape AI tooling for the mobility industry. Work across the full stack to solve complex problems using incomplete and messy data Design and evolve canonical data models Build pipelines to handle real-world data...

Jobtailor en Barcelona busca un desarrollador full stack para evolucionar y mantener una solución core de soporte a ventas, con un énfasis en frontend y backend.El equipo de producto ágil diseña e implementa funcionalidades escalables y de alta calidad. Se valora experiencia en Angular, Java/Spring Boot, MongoDB y procesamiento de flujos, además de...

We are an independent, international next-generation music and entertainment company with deep roots in the industry. We foster talent by building passionate teams of experts and developing innovative services and products based on state-of-the-art technology. As an internationally oriented company with additional offices in London and Paris, we work with...

Jobtailor está buscando un Desarrollador de Software Senior para Barcelona con experiencia en frontend y backend, y con dominio de Angular 19+ y Java 17+. Se requiere conocimiento de Kafka, Redis y Spring Boot, así como experiencia en REST APIs y entornos de nube.Se valora inglés C1 y habilidades en CI/CD. El candidato ideal participará en todo el ciclo...

About Longtail Longtail is building an intelligent decision-streaming platform that helps airlines make smarter, faster commercial decisions in real time. Combining automation, proprietary algorithms, AI, and live data, our technology helps airlines optimize pricing, availability, and product flexibility across thousands of routes worldwide. We're a...

Développeur SAP Full Stack (ABAP / Fiori / BTP)Développeur SAP Full Stack (ABAP / Fiori / BTP)Talan est un groupe international de conseil et d’expertises technologiques, qui accompagne et accélère la transformation digitale de ses clients par les leviers de la technologie, de la data et de l’innovation.Depuis plus de 20 ans, Talan conseille et...

An innovative tech firm in Barcelona seeks experienced developers and software engineers for project-based AI opportunities. Contributors will craft challenging coding test cases, analyze AI failures, and write comprehensive functional tests. The role is ideal for those with a degree in Computer Science or related fields and 5+ years in software development,...

Darwin Recruitment is seeking a Full Stack Developer (React & NestJS) for a remote, freelance 12-month engagement. You’ll work on a web app with React on the frontend and NestJS/Node.js on the backend, with opportunities to contribute to QA and test automation activities alongside development.Ideal candidates have hands-on React.js and TypeScript skills,...

We're looking for a Full Stack Engineer for one of our clients who enjoys building new products from the ground up and is eager to help shape AI tooling for the mobility industry. Work across the full stack to solve complex problems using incomplete and messy data Design and evolve canonical data models Build pipelines to handle real-world data...

Why join this project? Work on high-impact Data & Insights initiatives across business performance , operations , finance , and commercial domains . Help shape how data supports strategic decision-making across a large international organisation . Explore the evolution of AI-driven analytics , productivity tools , and data...