Empleos de full-stack dev en Madrid

Lexroom Srl is seeking a Sr.Full-Stack Software Engineer to support an AI training project focused on software development, debugging, code evaluation, and cross-language translation.This is a remote contractor position with ~15 hours per week.You will contribute to both front-end and back-end systems, review AI-generated code for quality and security, and...

Experienced Full Stack Java Engineer sought for Credit Risk team, leading design, development, and support of critical applications.Responsibilities include technical leadership, mentorship, and ensuring application security and resilience.

Bark is an online services marketplace connecting customers with professionals across 1,000+ categories.We are expanding in Europe and migrating to a full marketplace with subscription pricing, backed by EMK Capital.We are seeking a Senior Full Stack Engineer based in Spain to join a small, agile squad owning the Acquisition domain and marketing tech with...

Bark is seeking a Senior Full Stack Engineer based in Spain to join the interactions squad.You'll own frontend and backend work for the buyer journey, including AI-powered features, messaging, and notifications.You'll collaborate with product, design, data and mobile engineers to ship high-impact features and improve buyer conversion and satisfaction.The...

Treatwell is seeking a Senior Full Stack Engineer (React & Java) to join our Madrid-based team while operating in a fully remote capacity.You will own features end-to-end across frontend and backend, collaborating with designers, PMs, and fellow engineers to deliver incremental value in short cycles.You will work with a modern React/TypeScript frontend,...

Neotalent Conclusion en Madrid busca un Desarrollador Full Stack con aproximadamente 2 años de experiencia en desarrollo de aplicaciones web.Desarrollarás backend con C# y .NET Core, consumirás APIs REST y gestionarás bases de datos SQL Server usando Entity Framework.Trabajarás en un equipo técnico en Madrid, con contrato indefinido y 2 días...

Job Description: We are looking for new engineers in order to cover the increase of workload due to current new programs.We are looking for Simulation Software Engineers to reinforce our Future Capabilities Simulation team in Getafe, who will take part in the definition and implementation of complex simulation assets for all programs.You will be part of the...

Mondel?z International cerca ingegneri Full Stack AI per unirsi a un team in crescita dedicato a una nuova piattaforma di insight basata su AI.Lavorerai su pipeline dati, modelli AI/ML e applicazioni full stack che trasformano dati di mercato in raccomandazioni operative.Il ruolo richiede solide competenze in Python, cloud AWS, Databricks e frameworks...

INFUSE is seeking a Mid-level+ Full Stack Developer to drive end-to-end solution delivery within our PMO department, leading a cross-functional team, shaping architecture, and ensuring high-quality, on-time releases.You will drive the full product lifecycle, build responsive frontend components, design scalable backend APIs, and collaborate with teams to...

Make your mark for patients As a founding member of our new Barcelona R&D Hub, you will help build the AI-powered precision medicine platform that transforms clinical and molecular patient data into insights that accelerate drug discovery and improve patient outcomes.To help drive this vision, we are looking for a curious, collaborative and solutions-focused...

Lexroom is seeking a senior software engineer to join a small, autonomous squad of four to five. You’ll own technical decisions for what the squad ships, and take production ownership while helping teammates grow.Work across the stack with Next.Js, TypeScript, Python, Django, and AI tooling. We hire for judgment and curiosity, tailoring interviews to...

Jobgether is seeking a Senior Full Stack Engineer in Spain to join a remote-first, product-focused team building Saa S for governance and business processes. You will develop features with F#, ASP. NET Core, React.Js, and Type Script, shaping architecture and product direction. You will own features end-to-end, collaborate across product and engineering, and...

5 Blue Software is seeking a Senior Full-Stack Developer to join an international team building an AI-powered B2 B platform. You will own features end-to-end, from design to production, across frontend and backend, while applying an AI-first approach.You’ll collaborate with engineering and product teams across time zones, use Claude Code or similar tools,...

Apiux Tecnología busca un Desarrollador/a Full Stack Senior para unirse a un proyecto propio, con criterio técnico y impacto real en el producto. Ubicación: España; incorporación lo antes posible. El equipo es senior en Frontend, Backend y QA, trabajando 100% en inglés bajo Scrum.Se valora experiencia de 5+ años en desarrollo web, Node.Js para...

¿Te interesa construir productos de IA que vayan más allá de una demo? EnNTT DATAbuscamos personas que combinen desarrollo full stack, IA Generativa y criterio de ingeniería para diseñar aplicaciones end-to-end basadas en GenAI y Agentic AI.No buscamos perfiles centrados únicamente en experimentar con prompts. Queremos personas capaces de convertir una...

Cheiron just raised an $8 million seed round led by Menlo Ventures to build the operating system for drug programs.Company Overview In July 2026, Cheiron announced an $8 million seed round led by Menlo Ventures, bringing total funding to $13 million to date, with the backing and strategic support of industry veterans including Moderna co-founder and MIT...

En Minsait, creemos en el talento que impulsa el cambio. Únete a nuestro equipo de desarrollo de software en sector Retail como Full Stack Developer (Java / React) con mayor foco Backendy sé parte de esta transformación, y trabajar en una modalidad de trabajo FULL REMOTE desde cualquier punto de España, o en un formato híbrido en A Coruña.Lo que harás...

EY GDS Spain is seeking a Senior Software Engineer to join our hybrid team in Málaga. You’ll build modern web applications as a Full-Stack Engineer using Python and Angular, and you’ll explore integrating AI features with LLMs, embeddings, and RAG workflows. Ideal candidates have 3+ years of end-to-end development, strong API design with FastAPI/Flask...

Aircall is a unicorn AI-powered customer communications platform with a global footprint. We are looking for a back-end engineer to design, develop, test and monitor code in production, collaborating with product managers, designers and other engineers to deliver secure, scalable solutions. You will mentor teammates and stay updated on new technologies and...

Jobtome busca un Desarrollador Fullstack para diseñar, desarrollar y mantener aplicaciones web completas, tanto en backend como en frontend. Trabajarás en APIs REST y servicios externos, asegurando rendimiento y escalabilidad en un entorno ágil. Se requiere al menos 4 años de experiencia y dominio de Laravel y React, con experiencia en uno de...