Empleos de senior full-stack engineer api en Madrid

Orbio is an AI-native human capital management platform building aDigital Workforce for HR .We design and deploy agentic systems that take ownership of operational execution across hiring, onboarding, and employee operations — while keeping humans in control.We work with large, complex organizations across staffing, retail, hospitality, and healthcare. Our...

Frontiers in Madrid is seeking a full‑stack .NET Engineer to join the Researcher Profiles Service team, building a global‑scale academic data platform with .NET Core/Framework and Vue.Js. You will own high‑impact projects, collaborate across product, architecture and cross‑functional teams, and drive end‑to‑end delivery.The role emphasizes...

CoatingAI is seeking a Full-Stack Engineer to join our growing team in Barcelona, working in a hybrid setup to power the next generation of intelligent industrial coating systems. You’ll own features end-to-end, work across frontend and backend, and ship solutions that run in real factories alongside AI, 3D measurement, and automation components.Required:...

Una empresa de tecnología innovadora busca un Full Stack Developer (Java / React) para unirse a su equipo en el sector Retail. El puesto permite trabajar 100% remoto desde España o en formato híbrido en A Coruña. Se buscan candidatos con experiencia en Frontend y Backend, que valoren la colaboración y el crecimiento profesional. Ofrecemos condiciones...

VOIS, Vodafone Intelligent Solutions, is hiring a Full Stack Software Engineer in Málaga. You will deliver end-to-end platform features across Angular front-end apps and Java 21 backend services, aligning UI behaviour with API contracts and business goals.You will collaborate with product, design, quality, DevOps and operations to ensure secure, scalable...

Happyrobot Inc. is seeking a Forward Deployed Engineer in Barcelona to enhance customer use of AI solutions. You will work directly with clients from onboarding to ongoing support, ensuring they leverage the HappyRobot platform effectively.This role requires strong full-stack experience (React, TypeScript, Node.Js) and proficiency in Python. You'll...

Schwarz Digits is seeking a software developer to join its cross-functional agile team in Barcelona. You will contribute to the entire development lifecycle, collaborating with QAs, designers, and product owners to deliver high-quality software.The role emphasizes building reliable software and participating in the development of the product, with a focus on...

ElevenLabs is seeking Full-Stack Engineers to build and maintain front-end and back-end components for our Creative & Studio products, including Image/Video, Flows, and Audiobooks. You will work across voices and AI models to deliver scalable features used by millions of users.We offer flexible staffing, autonomy, and a global remote setup, with...

Exoticca is seeking a FullStack Engineer to design and build modern, scalable services using NextJS, Node.Js, TypeScript, and MongoDB. You’ll develop robust, maintainable services powering our e-commerce platform with an event-driven approach for growth and reliability.You will collaborate with cross-functional teams, craft clean APIs, and drive code...

Pasiona Consulting Sl, con sede en Barcelona, busca un AI Engineer Expert para liderar soluciones de GenAI y AI FinOps en un entorno internacional. Desarrollarás aplicaciones web production-grade, dashboards y servicios backend, conectando APIs corporativas y plataformas cloud.Colaborarás con equipos de Engineering, Product y UX para entregar experiencias...

VDOS busca un/a Full Stack Developer para liderar el diseño, desarrollo y mantenimiento de soluciones y la infraestructura tecnológica que soporta nuestra plataforma de datos y analítica.Necesitamos al menos 5 años de experiencia en desarrollo Full Stack con Java, capacidad para tomar decisiones técnicas y proactividad para proponer mejoras. Se ofrece...

Arsys seeks a Specialist Full-Stack Execution for the Euro Office Performance Group (Server Development) to drive high‑volume feature delivery and rapid bug fixes across the document suite, clearing paths for senior architects and keeping momentum during sprint cycles.You will refactor legacy JavaScript modules with AI‑assisted methods, build vertical...

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...

Actual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions. About the client: A German Sustainable Tech Unicorn that is redefining how global corporations handle transparency. Backed by a €130M Series C investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights...

Adroitpeople is seeking a Java Senior Developer to handle technical analyses and implementations. The ideal candidate will have at least 5 years of experience with Java and a strong understanding of APIs, IT security, and agile methodologies.This role requires fluency in English and the ability to work both autonomously and collaboratively within a team....

CONVOTIS Iberia te invita a formar parte de un programa de talento remunerado centrado en Spec-Driven Development (SDD). Buscamos un perfil full stack senior con base en arquitectura y diseño de APIs, para formarte y luego integrarte a un proyecto real dentro de la compañía. Disfrutarás de un horario flexible, posibilidad de oficina o teletrabajo,...

Raisin, a leading FinTech platform, is seeking a versatile Senior Full-Stack Engineer with a solid foundation in the .NET and SQL Server ecosystem to lead end-to-end feature delivery. You will collaborate with Product, Tech Lead, and Engineering Lead to design, implement, and optimize APIs and web applications, while mentoring peers and driving best...

Who we areVOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed...

Zenova, una scale-up con sede en Madrid, busca un Software Engineer para diseñar, desarrollar y mantener aplicaciones web en backend y frontend, en un equipo multidisciplinar. Participarás en proyectos desplegados en entornos cloud y en todo el ciclo de vida del software.Se valorará dominio de POO, frameworks modernos y bases de datos relacionales, así...

TPF INGENIERÍA busca un Desarrollador Full Stack Geoespacial para Madrid. Diseñará e implementará el servicio web de monitorización de infraestructuras y el visor geoespacial basado en visor web, integrando datos de imágenes satelitales y del sistema analítico. El candidato ideal cuenta con más de 5 años en desarrollo web, experiencia en Python y...