Empleos de backend full stack engineer en Madrid

Senior AI-First Full-Stack Engineer Max IT Consulting – Max Corporate Group is looking for a Senior AI-First Full-Stack Engineer to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across...

We're looking for a Full-Stack Engineer to join our team and help shape the future of contextual advertising as we continue to expand globally. At Seedtag, our goal is to lead the change in the advertising industry because we believe that effective advertising should not be at odds with users' privacy. Every day, our teams develop new services that reach...

Are you looking for an innovative and well?established place to develop your professional career?GMV is a technology group with extensive experience.If you want to know more about us, visit the GMV website.What challenge will you be taking on?As part of our team, you will work on critical systems for the space sector, developing high?quality web applications...

Max IT Consulting – Max Corporate Group in Barcelona, Spain is seeking a Senior Full-Stack Engineer – AI-Native Applications to own end-to-end product delivery in a fast-growing European tech company building an AI-powered workforce platform for healthcare. You will work across frontend, backend, databases, and cloud, using Type Script/React and Java/J...

MVST is looking for a Full Stack Developer to join their team in Barcelona. You will develop and maintain web and mobile applications while collaborating with cross-functional teams. The ideal candidate has 2-4 years of experience in full-stack development with proficiency in JavaScript frameworks, Node.js, and database technologies. The company offers a...

Senior Full Stack Engineer Remote Barcelona Full-timeSalary: €50k–€80kLexroom.ai is building an AI product to revolutionize how legal professionals work, saving time and boosting productivity.Lexroom.ai is building the AI platform where legal work gets done. In just over two years, we've grown from zero to €25M ARR, and today more than 20,000 legal...

The Senior Full Stack Engineer will build and own product featuresworking closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software that is used daily by customers.This role is focused on delivery, quality and collaboration with the ability to influence technical decisions.Your...

Part 2 Tech Lab Full-Stack Product Engineer Own a product end to end — the users, the roadmap, the build and the release — with nobody standing between you and the people who use it. Barcelona Open 5 seats What you own 01 The users, in person 02 What gets built next, and why 03 The build, front to back 04 Whether it gets used One method, many products...

A pioneering AI company in Barcelona is seeking a Full‑Stack Software Engineer to develop their Agentic AI Platform. You will design and build features to enhance the life sciences industry using cutting-edge AI technology. This hands-on role requires 6+ years of full-stack product experience, proficiency in Python, React JS, and Type Script, and a passion...

Affinist is a remote-first company hiring a Senior Full-Stack Software Engineer for the Repayments UX. The role is based in Spain and visa sponsorship is possible, with the team located across Europe in the same time zone. You will own quarterly goals, collaborate across product, design, and analytics, and help ensure reliability and growth at scale. Base...

Knowmad Mood, una empresa líder en transformación digital, busca un profesional senior para desarrollo back-end con Java 8+ y front-end con Angular en un equipo multidisciplinar. Se requieren al menos 5 años de experiencia, dominio de APIs RESTful, Maven, Git y Linux, además de experiencia con Angular 16+ y Bootstrap. Se valorará experiencia en...

¡Únete a ALVIC! Buscamos talento para seguir creciendo juntos. En ALVIC llevamos más de 40 años liderando el sector energético, ofreciendo soluciones tecnológicas para la gestión y automatización de negocios relacionados con el suministro de carburantes y otras formas de energía. Como parte de un grupo internacional, trabajamos en un entorno...

Software Engineer Full-Stack | Node.js + React + IA / MCP | Barcelona (Híbrido) En Capitole seguimos creciendo y queremos hacerlo contigo.Buscamos un/a Software Engineer Full-Stack para incorporarse a una multinacional del sector HR / Payroll con sede en Barcelona centro, participando en iniciativas técnicas de vanguardia con foco en IA moderna, agentes...

Agile Engine 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 areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you’re looking for a place to grow, make an...

AtIndeep AI , we are an applied AI research laboratory working at the intersection of natural language processing, linguistics, and human cognition. Our work is grounded in a simple conviction: the tools we use to write and understand documents should make communication clearer and more trustworthy, not less. That research powers Typewiser, our document...

Are you a Senior Full Stack Engineer looking for an opportunity to build and scale high-impact, user-facing AI product features? At Restb.ai, we specialize in industry-specific visual recognition, helping businesses unlock powerful insights through AI-driven automation. We don’t just recognize objects (that’s so 2016), we teach computers to understand...

About UsAlways open. Our code, our culture, our opportunities. Leading open innovation without limits. We are SUSE. SUSE is a global leader in innovative, reliable, and secure enterprise open source solutions, including SUSE® Linux Suite, SUSE® Rancher Suite, SUSE® Edge Suite, and SUSE® AI Suite. More than 60% of the Fortune 500 rely on SUSE to power...

MarsBasedis a development agency from Barcelona specialising inAI-augmented software development . We don’t just use AI; we are actively rewriting the rules of modern engineering. By combining elite human expertise with advanced agentic workflows, we build end-to-end web and mobile applications faster, smarter, and to a higher standard than ever before.We...

Company: SimpleStudy is a consumer AI platform for students.We help them stay motivated to study their subjects - everything from Biology and Mathematics to Literature and Art.Our small team has already helped +1.5 M students worldwide (UK, Ireland, Brazil, South Africa, and Australia) study better, and ~40–50k new students join us every week.We are a...

INFUSE in Valencia is seeking a Mid-level Full Stack Developer to drive end-to-end delivery in our PMO department, leading a cross-functional team and shaping architecture for high-quality, on-time releases. You will build frontend with React or Vue, design robust backend APIs, and manage databases (PostgreSQL, MongoDB, Redis, S3) while integrating...