Empleos de mid-senior full stack developer en Madrid

Talan – Positive Innovation busca un Desarrollador Full Stack Senior para diseñar y construir una nueva aplicación de monitorización de emisiones, distribución y procesamiento. Se trabajará en un entorno ágil, empleando herramientas modernas y prácticas de IA para acelerar el SDLC. El candidato ideal cuenta con más de 5 años de experiencia en...

Óscala is building a delivery centre in Valencia, Spain, seeking an experienced full stack developer to own strategic client projects over multi-year engagements. You’ll work in a hands-on capacity with React, Next.js, Node.js and modern cloud architectures, applying AI tooling to accelerate delivery while maintaining quality. You’ll join a growing team...

Tecdata Engineering busca un Senior Full Stack Developer con experiencia en Angular y Java para desarrollar y mantener aplicaciones empresariales de alto rendimiento. Se trabajará en el ciclo completo, desde frontend hasta backend y APIs, utilizando IA generativa para mejorar productividad y calidad. Se requiere experiencia con Angular/React/Vue, Java y...

Parser Limited is seeking a Senior Full Stack Engineer to drive development across the JVM backend (Java/Kotlin) and modern frontend (JavaScript/TypeScript) in a hybrid Madrid setting. You will own features from API design to UI implementation, collaborating with product and design teams to deliver scalable, user-centric travel ecosystem solutions. The role...

Finom is seeking a highly skilled Machine Learning Engineer / Full-stack Data Scientist to join its Madrid team, developing end-to-end ML solutions for financial crime detection and onboarding processes. You will deploy models in production and collaborate across product and infra teams. You will own the Dynamic Risk Score across markets, optimize ML-driven...

Techmunity is hiring Senior Full Stack Engineers to build AI-powered agents that can resolve customer service problems by interacting with brand data. You will design and implement backend and frontend systems, connect data sources, and scale infrastructure to support real conversations. You will work on cross-functional features across LLM/agent systems,...

Enfint ищет опытного инженера-программиста для поддержки стратегической платформы, контролирующей торговую активность США и глобальных клиентов. Вы будете работать над фронтендом на React и бэкендом...

Trbl Services en Madrid busca un desarrollador full-stack con más de 5 años de experiencia para diseñar, desarrollar y mantener aplicaciones web modernas. Trabajarás con TypeScript, Node.js, NestJS y Angular, creando interfaces dinámicas con Angular e Ionic, y construyendo APIs REST/GraphQL. Participarás en un entorno ágil, colaborando con UX, QA y...

Full Stack Engineer (Senior/Lead) ID41561 ($2,500 signing bonus) AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in application development and AI/ML, and our people‑first culture has earned us multiple Best Place to Work awards.Why...

Albertine is seeking a seasoned full stack engineer to ship features across our TypeScript platform. You’ll shape API contracts, implement service and data work, and build the React UI members and agents actually use. Both halves must be solid in data choices and UX that feels finished. You’ll work across memberships, bookings, and billing with a focus...

Actual Talent Spain is recruiting a Senior Full-Stack Engineer for a German Sustainable Tech Unicorn expanding its Madrid hub. You will own end-to-end development of products that help 2,000+ global companies comply with ESG regulations. You will work in dense agile squads, design scalable microservices, and contribute to a serverless Hub, focusing on...

LanguageWire Ltd is hiring a Senior Full Stack Engineer to lead the build of a new customer-facing tool from ground up. You will influence architecture, tech direction, and team culture from day one, collaborating with a Product Manager and one more Engineer to shape the team and product. You’ll own front-end interfaces, back-end services, databases, and...

Altia is seeking a Senior Full-stack Software Engineer to join our team on an international project focused on the development and maintenance of financial applications for a major European organization. You will contribute to secure, reliable, and high-quality enterprise software solutions while collaborating with a multicultural team in Madrid. You'll work...

Actual Talent is a talent acquisition consultancy that offers Specialized Search, RPO and Talent Solutions. Our purpose is to drive the growth and fulfillment of individuals and organizations. We facilitate individuals in finding inspiring opportunities and help organizations discover professionals who will take them to the next level. We do this through...

Findnido busca un Ingeniero/a de Software Full Stack Senior para liderar la siguiente fase de crecimiento. Combinarás desarrollo hands-on con evolución hacia responsabilidades de liderazgo técnico, siendo el primer Tech Lead de la empresa.Trabajarás en un entorno híbrido en Madrid, con enfoque en producto y negocio, integrando IA y soluciones modernas...

Bark is seeking a Senior Full Stack Engineer to join our Acquisition squad. You’ll work on Python backend and React/TypeScript frontend, shaping marketing tech that drives customer growth in a fully remote role based in Spain. You’ll collaborate with marketing, product and design, build AI-powered tooling, implement guardrails for live AI outputs, and...

KPS Iberia seeks a Senior Tech Lead / Full-Stack & DevOps Engineer to join Barcelona team, delivering complex digital and e-commerce platforms for international clients. You will lead architecture, coordinate developers, and contribute hands-on engineering across the stack. The role combines architecture, leadership and hands-on engineering in an...

A leading software company in Madrid is seeking a Senior/Lead AI Software Engineer to architect and scale AI-driven products. The ideal candidate will have over 5 years of full-stack development experience and 2+ years in AI/ML engineering, with expertise in Rust or Golang. Responsibilities include developing AI features, integrating LLMs into...

Enfint ищет опытного Go/JavaScript/TypeScript разработчика для работы в Барселоне в кросс-функциональной agile-команде. Вы будете участвовать во всём цикле разработки и нести ответственность за качество...

Avooq is seeking a talented Full-Stack AI Engineer to migrate to scalable infrastructure and maintain a high-performance platform. You will lead the migration to custom cloud infrastructure, build scalable React/Next.js and Node.js systems, and deploy production-grade AI/LLM integrations with high concurrency. Ideal candidates have 5+ years of full-stack...