Empleos de full stack engineer annotator en Madrid

Mondelez International Inc. busca un Desarrollador Full-Stack Senior para unirse a su equipo. El puesto, que se realiza de forma remota desde Madrid, implica diseñar, desarrollar y desplegar aplicaciones web modernas. Colaborarás con UX/UI designers, PMs y otros ingenieros para entregar nuevas funcionalidades. Se espera código limpio, pruebas unitarias y...

SIX Group Services Ltd. in Madrid is seeking a Senior Java Full Stack Engineer to join their agile team. The role involves developing new features for financial market projects and collaborating with various teams to ensure robust deliverables. The ideal candidate will have over 5 years of experience in Java technologies and modern web architectures, and...

Pillar is seeking a Full Stack Engineer to join their ambitious team in Barcelona. This role involves building the foundations of the startup, which has rapidly grown with significant investments.The ideal candidate will have proven experience in early-stage startups and mastery of technologies such as React and TypeScript. A strong ownership culture...

GFT Technologies SE busca un Senior Full Stack Developer (Java & Angular) para unirse a nuestro equipo. Participarás en diseño, desarrollo y mantenimiento de aplicaciones empresariales basadas en microservicios, con backend en Java/Spring Boot y frontend en Angular.Trabajarás en proyectos que incluyen APIs REST, CI/CD y uso de herramientas de IA para...

Xe is hiring a senior full-stack engineer to own end-to-end problems, from API design and frontend experiences to backend services and production reliability. You will work with AI tooling daily, move money in production, and shape the platform as Xe rebuilds its stack with cross-functional teams.You will mentor engineers, lead design reviews, and...

ElevenMusic, listed via partner, is seeking a remote‑first Full-Stack Engineer based in Spain to build a next‑gen AI‑driven consumer music application. You will own features end‑to‑end, collaborating with researchers to deploy AI models and deliver quick iterations to users worldwide. You will work across frontend and backend systems, ship...

TeamSystem busca ingenieros Full Stack para crecer TeamSystem Facturas, un ERP SaaS moderno y escalable. Trabajarás equitativamente entre frontend y backend, usando React/TypeScript y servicios en Node.js/NestJS. Participarás en todo el ciclo, desde definición de solución hasta producción, promoviendo arquitectura estable y calidad de código. Formarás...

UST in Spain is seeking an experienced Full Stack Developer to design, develop and maintain scalable web applications across frontend and backend. You will build modern frontend solutions with Angular and backend services with Node.js and Java Spring Boot, deployed in OpenShift. The ideal candidate has 5+ years of professional experience, strong knowledge of...

En Indra Group desarrollamos tecnología para hacer más seguro, eficiente y conectado el transporte aéreo. Desde nuestra unidad de ATM, participamos en sistemas críticos de gestión del tráfico aéreo, comunicaciones, navegación y vigilancia, colaborando en proyectos de alta complejidad tecnológica a nivel internacional. ¡Trabaja con nosotros en el...

We are knowmad mood!Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología.Formado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de...

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...

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...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems, lead end-to-end features, and drive production reliability for a distributed .NET/Vue/Nuxt platform.You will mentor peers, shape architecture, and ensure scalable, high-performance experiences for researchers worldwide....

Experteer Overview As a Full Stack Engineer for the Digital Measurement Platform, you will build and maintain production-grade apps, APIs, and data workflows that power analytics and AI-enabled healthcare products. You will collaborate with software, data, and AI teams to deliver scalable solutions and rapidly bring new technologies into production. You...

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...

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...

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,...

AI Full Stack Engineer | AI-Assisted DevelopmentRemote in Europe | B2B contract | €70,000–€85,000 annual contract valueOur client is seeking a hands-on AI Full Stack Engineer. In this role, you will help build a new SaaS ledger platform for an international fintech business. This is a hands-on role where you’ll take requirements through design,...

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...

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...