Empleos de full stack engineer annotator en Madrid

Impala Search Ltd is transforming mobility with a data-driven platform that powers a growing international mobility ecosystem. We seek a Senior Full-Stack Engineer with a backend focus to build Python services and APIs while contributing to React and TypeScript across features that support an international mobility platform. You will own backend services,...

JAVA Software engineer for Defense Projects | Job DetailsIf you have always dreamt about being a hero, but your character in an action movie would be Dead in Combat #3... We are expanding our teams in the Defense & Security sector to take on cutting-edge international projects in Command and Control (C2) Systems, integrating advanced Artificial Intelligence...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer (.NET/React) based in Spain. As a Senior Full Stack Engineer, you will build and evolve scalable, secure, and high-performing applications across both backend and frontend layers. You will work...

Lever, Inc. is seeking a Software Engineer (Front and Back end) based in Spain. You will contribute across frontend and backend development to build reliable, scalable applications in modern cloud environments. Technologies include Java, JavaScript, Python, React, Angular, Vue.js, and containerization with Kubernetes, Docker, and Containerd. You will deploy...

Altia is seeking a Senior Full-stack Software Engineer to join our team on an international project focused on the development and maintenance of financial applications for a major European organization. You will contribute to secure, reliable, and high-quality enterprise software solutions while collaborating with a multicultural team in Madrid. You'll work...

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...

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 ecological responsibility across global supply chains. Currently in a massive consolidation phase, their...

Description About XeXe is a cross-border payments platform. We help SMEs and consumers in the US, UK, Canada, Australia, and New Zealand collect, convert, hold, and send money across markets. Each year, over 300 million people use Xe for currency information and over 350,000 use us to send money overseas. Today, we’re rebuilding the platform layer behind...

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...

Remote Europe / LATAM | $100K–$120K + equity Most customer service chatbots can answer simple questions. As soon as you need a refund, return or help with a missing order, you usually end up speaking to a human. I'm hiring Senior Full Stack Engineers for a Series A company building AI agents that can actually resolve those problems. Their agents connect to...

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...

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...

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...

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....

A leading technology and localization company in Madrid is seeking an experienced Full Stack Engineer to join their AI Team. This role involves developing innovative AI-powered software applications, building user-friendly web interfaces, and creating robust backend APIs to support scalability. The ideal candidate will have a strong background in full stack...

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...

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...

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...