Empleos de full stack senior developer en Barcelona

We are looking for a **Senior Full-Stack / GenAI Engineer** to join an international AI Products team working on the evolution of a secure, enterprise-grade GPT platform. You will contribute mainly to back-end development (around 90%), with occasional front-end contributions, building secure and scalable features for document understanding, translation,...

IT – 14/2025 Oferta de empleo: Desarrollador. NET (Híbrido/Barcelona). Seleccionamos para empresa de producto consolidada y con más de 15 años de experiencia, un Desarrollador Full Stack -. NET + Angular-. Con un producto presente en 30 países, desarrollan y comercializan soluciones de Business Intelligence y soluciones tecnológicas para el sector de...

Arsys seeks a Specialist Software Engineer (f/m/d) for the Euro Office Performance Group. You will act as the primary executor for features and bug fixes, enabling Staff Architects to progress complex work. Join a multidisciplinary team with a culture of experimentation and inclusion, offering cross-pod collaboration, rapid prototyping of vertical slices,...

## Job Description **Are You Ready to Make It Happen at Mondelēz International?** **Join our Mission to Lead the Future of Snacking. Make It Uniquely Yours.** You provide software and application knowledge to support implementation of the given solutions. **How you will contribute** You will ensure that delivered services are optimized to meet business...

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 Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

Join NTT DATA and shape the future of digital innovation At NTT DATA , we are a global technology consulting company helping organizations transform through innovation, technology, and collaboration. With more than 190,000 professionals across over 50 countries , we work with leading companies to design and deliver cutting-edge digital solutions. What are...

Senior II Full-Stack Engineer (back-end heavy) Location: Barcelona Employment Type: Full time Location Type: Hybrid Department: Engineering Meet the team! Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors....

KPS Iberia is seeking a Senior Tech Lead / Full-Stack & Dev Ops Engineer to join our Barcelona team. You will lead architecture and hands-on development for complex digital and e-commerce platforms for international clients. In this hybrid role, you’ll coordinate developers, drive technical decisions, and deliver scalable solutions while collaborating with...

Agap2 España busca un/a Senior Full Stack Software Engineer para liderar proyectos de desarrollo y modernización sobre plataforma Microsoft y entornos Cloud. La posición requiere experiencia técnica, capacidad analítica y foco en buenas prácticas de arquitectura, desarrollo seguro y Dev Ops, con especialidad en APIs REST, Angular y pipelines CI/CD en...

Senior AI-First Full-Stack Engineer Max IT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across...

Can you imagine building AI-powered products that transform how business teams generate strategic insights? Join our expert team to work on a Pharmaceutical sector product, contributing to the development of an AI platform that transforms enterprise knowledge into intelligent decision support. You will apply your knowledge of LLMs, RAG, knowledge graphs and...

Max IT Consulting – Max Corporate Group is seeking a Senior AI-First Full-Stack Engineer to own outcomes across the full product stack in a fast-growing European tech company focused on an AI-powered healthcare workforce platform. You will work in a small, founder-led environment with significant ownership over product and engineering decisions, using...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportunity Involves You'll create challenging coding test...

A leading software development company in Spain is seeking a Full Stack Senior/Lead Engineer to join their agile team. You will build features and enhance user experiences across web and mobile platforms, leveraging your expertise in ReactJS, NodeJS, and React Native. Ideal candidates should have over 5 years of experience in building scalable systems and...

Noloco is seeking a Senior Full Stack Software Engineer to own features across frontend and backend, building AI-powered tools and scalable APIs. You’ll work on Graph QL, Node.Js, React, and data models, delivering delightful UX and robust performance. In a hybrid setup with Barcelona as a base, you’ll collaborate across product, design, growth, and...

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,...

Capitole is expanding, and we are seeking a Senior Full-Stack Developer (M/F) with strong Java, Spring Boot, and Angular to join an international project remotely from Spain. Design, develop and maintain scalable applications, build backend services, work with microservices and REST APIs, and contribute to architecture decisions in an Agile DevOps...

N-iX in Europe is seeking a Senior Full-Stack Engineer to join a team building a modern, large-scale platform that powers intelligent agreement management for millions of users worldwide. The platform supports document creation, sending, signing, and management with a widget-based front-end. You will design and develop high-performance frontend with React...

Kenos Technology busca un Desarrollador Full-Stack Senior para participar en la construcción de una nueva aplicación web corporativa que sustituirá el CRM actual e integrará servicios y activos corporativos. Se valorará experiencia demostrable en Angular, Spring Boot y/o Node.Js, Postgre SQL y AWS, capacidad de trabajar de forma autónoma en entornos...

Seeking a Senior Full-Stack Engineer for Preply's CRM team to develop AI-driven communication features using Python/Django and React/Typescript. The role involves leading initiatives, mentoring, and focusing on scalable systems.