Empleos de backend-first full stack engineer ai-native en Barcelona

Deeto is transforming how B2B companies grow by turning their customers into their most powerful growth engine. Our AI‑powered voice of customer (VoC) platform makes it effortless for companies to capture, organize, and activate authentic customer voices—delivering the right proof points at the right moment to accelerate deals and build trust at...

Pillar is building a financial operating system for construction, combining AI, automation and modern software. We are seeking a product-minded Full Stack Engineer with backend depth to own features end to end, primarily focusing on backend while maintaining full product ownership.Location options include Milan or Barcelona, with a strong emphasis on Italian...

Factech es una empresa multinacional especializada en servicios IT para grandes compañías. Con más de 2.500 profesionales y presencia en España, Colombia y México, participamos en proyectos tecnológicos de alto impacto junto a clientes líderes. Full Stack Engineer Senior para una misión temporal de 3 meses, donde construirás soluciones desde...

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...

Selecto is seeking a Senior FullStack Developer to join an AI-powered platform handling users, roles, and permissions with KYC/KYB and rewards systems. You will work remotely with a Europe-wide team on a 6–12+ month project and gradually assume a Team Lead role as you extend a complex schema-driven backend. The stack includes Next.Js 15, TypeScript, tRPC,...

Barcelona, Spain | Senior Engineering OpportunityMaxIT 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...

Mainloop Barcelona seeks a Full-Stack Engineer to join an AI-native engineering team in Barcelona.You will own end-to-end web products, shape architecture, and collaborate with a Product Owner to deliver robust software built with AI agents.You will work across a portfolio of projects, moving between products and taking on new challenges as the team...

Mainloop Barcelona seeks a Full-Stack Engineer to join an AI-native engineering team in Barcelona.You will own end-to-end web products, shape architecture, and collaborate with a Product Owner to deliver robust software built with AI agents.You will work across a portfolio of projects, moving between products and taking on new challenges as the team...

MaxIT Consulting - Max Corporate Group in Barcelona, Spain, seeks a Senior AI-First Full-Stack Engineer to own the full product stack and drive AI-enabled development in a healthcare-focused marketplace. You will work in a founder-led, autonomous environment, collaborating with product, design, and operations while applying AI tools to accelerate delivery...

Barcelona, Spain | Senior Engineering Opportunity Max IT Consulting – Max Corporate Group is looking for aSenior Full-Stack Engineer – AI-Native Applications 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...

The Whiteam Consulting busca un/a Senior Full Stack Developer para participar en el desarrollo de plataformas corporativas de emisión, distribución, pricing y procesamiento, con foco en IA y ciclo de vida del desarrollo (SDLC).Se requiere experiencia sólida en Java, Spring Boot, Hibernate/JPA, Angular, Oracle y PostgreSQL, APIs REST, Git/GitHub, Jenkins y...

Barcelona, Spain | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Full-Stack Engineer – AI-Native Applications 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...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain is seeking a Senior AI-First Full-Stack Engineer to lead the creation of an AI-powered workforce platform for healthcare. You will own the full product surface, collaborating with founders and cross-functional teams, and apply AI tools to accelerate development while maintaining rigorous...

Barcelona, Spain | Senior Engineering Opportunity MaxIT Consulting - Max Corporate Group is looking for a Senior Full-Stack Engineer - AI-Native Applications 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...

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...

MaxIT Consulting – Max Corporate Group in Barcelona, Spain is seeking a Senior Full-Stack Engineer – AI-Native Applications to own end-to-end product delivery in a fast-growing European tech company building an AI-powered workforce platform for healthcare. You will work across frontend, backend, databases, and cloud, using TypeScript/React and Java/J...

Ersilia, based in Barcelona, is seeking a Senior Full Stack Engineer to design, develop and own features across the product with a strong focus on delivery and collaboration. The role involves frontend work with React and backend work with Node.Js/Type Script, leveraging Postgre SQL and AWS. You will partner with Product and Design to translate requirements...

Ai Hiring Startup in Barcelona is seeking a motivated Full-Stack Engineer to join as the first hire and help shape a new AI-native platform. You will own features from first commit to production, spanning Next.js frontend, FastAPI backend, and Supabase as needed. You will work in a hybrid setup with three in-office days in Barcelona, collaborating closely...

Edpuzzle is seeking a Software Engineer to join the Product team in Spain. You will contribute across the stack, collaborating with Product, Design, and Engineering to understand user needs and shape effective solutions.Todos los posibles candidatos deben leer con atención los siguientes detalles de este trabajo antes de presentar una candidatura.You will...

AtIndeep AI , we are an applied AI research laboratory working at the intersection of natural language processing, linguistics, and human cognition. Our work is grounded in a simple conviction: the tools we use to write and understand documents should make communication clearer and more trustworthy, not less. That research powers Typewiser, our document...