Empleos de full stack engineer annotator en Madrid

Pearson is seeking an experienced Senior Backend Software Developer to design, implement, and maintain scalable backend services with AI integration. You will work in cross-functional teams, mentor juniors, and drive best practices across the SDLC in a fast-moving environment. The role emphasizes autonomy, ownership, and collaboration, with a hybrid work...

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...

rindus is looking for a Full-stack Engineer to join our team and build high-quality, customer-facing web applications using React, TypeScript and Node.js. You will work in a distributed team from our Málaga office or from home, contributing across the full development lifecycle and taking ownership of production systems. Join a product-focused engineering...

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,...

Avance Consulting is seeking a Full Stack Software Engineer in Spain to build scalable products with Go on the backend and React on the frontend. You will own features end-to-end from design to testing and delivery, collaborating closely with Product and Design teams. The role is hands-on, contributing to architecture decisions, and maintaining code quality...

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...

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...

Indeep AI is seeking a versatile Full-Stack AI Engineer for our Barcelona office. You will work across the entire stack—from backend services and AI pipelines to the frontend and deployment infrastructure—supporting the CTO in delivering a coherent, reliable product. This hands-on role fits a generalist who thrives in a fast-paced startup. You’ll own...

Simple Life App in Spain is seeking a senior, product-minded engineer to join our technical marketing team and build web products, growth tools, integrations, and automation. You’ll own initiatives end to end—from gathering requirements and researching solutions to shaping the UX, defining an MVP, designing the architecture, and shipping to production....

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....

Frontiers Careers is seeking a Senior Full-Stack Engineer to own backend systems and full-stack features for the RTM platform. You will work across .NET Core backends and Vue/Nuxt frontends, collaborating with product managers and engineers to design scalable, reliable solutions.You will drive architecture decisions, optimize SQL Server workloads, and guide...

NOTE: This position can be remote in any EMEA country ClickHouse has a hiring presence.We are hiring talented Full Stack Software Engineers for our Control Plane team.The team focuses on great user experience, seamless, automated, and scalable cloud infrastructure deployment, and lifecycle management.We build and maintain the Cloud Console—a sophisticated...

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...

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...

Proofpoint is seeking a hands-on software engineer to own the development lifecycle for full-stack applications and backend services. The role emphasizes Python at scale, database leadership with PostgreSQL, and AWS infrastructure while collaborating across threat intelligence and engineering teams. The position offers a high level of autonomy, strong focus...

A leading software company in Ribarroja del Turia is seeking a Full Stack Engineer to build and evolve a secure, cloud-based SaaS platform. The ideal candidate will have over 4 years of experience in SaaS, high proficiency in Java, React, and SQL, along with a DevOps mindset. This position emphasizes collaboration with product and design teams and offers a...

Location:Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible.Madrid (Central) |Full-time| 100% On-site | Flexible hoursSalary:80-90kAbout the roleWe are partnering with a leading European financial services company building a new innovation hub in Madrid. They are looking for aSenior...

UST is seeking a Senior Full Stack Engineer to join a cross-functional Dev Ops‑oriented team in Madrid. You will design, develop, deploy, and monitor modern, secure, and scalable digital banking solutions for an international project. The role requires strong Java/Spring Boot and React expertise, RESTful APIs, Kubernetes, and experience in Agile...

TalentLyft is seeking a Senior FullStack Developer ready to step into a Team Lead role for a complex AI‑powered platform handling users, roles, and permissions. You will work remotely across Europe on a 6–12+ month engagement, collaborating with a PM, designer, and engineers to build a compliant, security‑driven system. You will design scalable...