Empleos de senior full-stack engineer api en Madrid

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...

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...

Toggl is seeking a Senior Full Stack Engineer to join a Tribe responsible for Toggl 2.0, a unified planning, time tracking, and time intelligence product. You’ll own cross‑functional features from API to UI, working with React/TypeScript on the frontend and Golang on the backend, with PostgreSQL as the data layer.You’ll collaborate with product...

SEIDOR GESEIN busca un/a Full Stack Senior para un proyecto tecnológico estable en un entorno internacional y 100% remoto. El candidato debe dominar Frontend y Backend, participar en todo el ciclo de desarrollo y trabajar en un equipo senior con Scrum. Se valora experiencia en APIs, Node.js/Express y HTML5/CSS3, con inglés C1 como idioma de trabajo...

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...

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...

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...

Capitole keeps growing, and we want you to grow with us! We are seeking a Senior Full-Stack Developer (M/F) to join an international project. You will design, develop and maintain scalable full-stack applications using Java, Spring Boot, and Angular, contributing to architecture and DevOps practices. The role requires 3+ years of experience, strong...

Sopra Steria España busca un/a profesional para unirse a un proyecto estable en una de las principales entidades financieras internacionales, realizando nuevos desarrollos. Se requieren al menos 5 años de experiencia en desarrollo Full Stack, con Java y microservicios en backend y Angular o React en frontend.Contrato indefinido a jornada completa, 23 días...

Impala Search Ltd is transforming mobility with a data-driven platform that powers a growing international mobility ecosystem. We seek a Senior Full-Stack Engineer with a backend focus to build Python services and APIs while contributing to React and TypeScript across features that support an international mobility platform. You will own backend services,...

Wolters Kluwer - Financial Services Solutions is seeking a Senior Product Software Engineer to join our global tech team. You will contribute as a full stack developer in a hybrid work model, shaping scalable software in a cloud-based microservices architecture.You will own backend APIs in .NET and craft rich frontend experiences with Angular while...

OpenNebula Systems in Madrid-based HQ and fully remote, international team, is seeking a Senior Full-Stack Developer to advance the OpenNebula cloud management platform with a strong front-end focus while contributing to back-end when needed. You will own features end-to-end, work in Linux environments, collaborate across teams, and help evolve edge and...

A tech-driven company based in Madrid is seeking a Senior Full Stack Engineer to join their Business Partner Transparency team. In this role, you'll play a pivotal part in developing a cutting-edge enterprise platform focused on regulatory compliance. The ideal candidate has over 6 years of experience in full-stack development with a strong background in...