Empleos de senior full-stack dev en Madrid

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...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a strong backend lean to join the team powering the Research Topic Management (RTM) platform. You will own complex backend systems and full-stack features end-to-end on a distributed .NET/Vue stack, delivering robust, production-grade software for researchers worldwide.You will collaborate with...

Sateliot, a Barcelona‑based satellite company, seeks a Senior Full Stack Engineer to own features end‑to‑end across Laravel (PHP) and Python codebases. You will surface data for internal tools, partner with Core Network teams, and ensure high quality with automation and reviews. You’ll mentor peers, ship production systems, and operate deployments in...

SEIDOR GESEIN busca un/a Senior Full Stack para un proyecto tecnológico estable en entorno internacional y 100% remoto. El candidato trabajará en desarrollo Frontend y Backend, participando en todo el ciclo de desarrollo, desde análisis hasta implementación. Se valorará experiencia con Node.js, Express, APIs y servicios Backend, HTML5, CSS3, Git y...

Restb.ai, Barcelona-based, seeks a Senior Full Stack Engineer to lead our public-facing web app and guide a dedicated engineering team. You will build scalable features using Angular on the front end and Python on the back end, ensuring robustness for a global user base. The role focuses on architectural leadership, mentoring, and delivering high-quality,...

NineTwoThree AI Studio is a remote-first product design, engineering, and marketing studio delivering AI-powered web and mobile apps to global brands. We seek senior engineers who lead projects, architect scalable AI solutions, and mentor teams to deliver high-quality results. Join a fast-moving, high-talent team with strong leadership, clear processes, and...

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...

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...

A leading technology firm in Spain seeks a Full-Stack Engineer to shape key tools in contextual advertising. The role involves developing both client-side features and scalable backend APIs, demanding proficiency in modern front-end languages and software engineering principles. Candidates should have 5+ years of experience and demonstrate adaptability in a...

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,...

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....

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...

Leadtech seeks a Senior Full Stack Product Engineer to own end-to-end features for our top web products. You will shape features with the Product team, translate business goals into technical decisions, and uphold high standards for quality and performance. Expect to work across frontend and backend using React, Next.js, Node.js, TypeScript, and JavaScript,...

La empresa Zemsania Global Group busca un Senior Full Stack Developer / Technical Leader para unirse a su equipo en Madrid. Se requiere experiencia en Java/Angular, arquitectura de microservicios y liderazgo técnico para guiar equipos de desarrollo en proyectos innovadores. La posición es híbrida (3 días oficina Manoteras, 2 días teletrabajo) y ofrece...

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

topi is seeking a Senior Fullstack Engineer in Madrid with deep expertise in Go to join a diverse, product-minded team. You will own architecture from the database to the browser, primarily focusing on the Go backend and APIs while contributing to React/TypeScript frontend when a feature requires it. You will collaborate closely with Product and Design to...

Avenue Code in Spain is seeking senior professionals with a generalist profile, strong backend with Node.js, and solid React frontend experience to own product initiatives end-to-end. You will develop features independently, contribute to architecture, and collaborate in a small, autonomous squad within a SaaS context, balancing speed, quality and...

T-Systems, Teil der Deutsche Telekom Gruppe, sucht einen Senior Software Developer mit Schwerpunkt Java, Angular und DevOps, um Front-End-, Back-End- und DevOps-Lösungen zu gestalten und zu warten. Sie arbeiten eng mit Product Ownern und cross-funktionalen Teams zusammen, um Anforderungen zu verstehen und Produkte sowie Services zu optimieren. Hybrides...

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 and...

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...