Empleos de full stack engineer annotator en Madrid

ElevenLabs is seeking Full-Stack Engineers to build and maintain front-end and back-end components for our Creative & Studio products, including Image/Video, Flows, and Audiobooks. You will work across voices and AI models to deliver scalable features used by millions of users. We offer flexible staffing, autonomy, and a global remote setup, with...

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.What This Opportunity InvolvesYou'll create challenging coding test...

Longtail Technologies, Inc. is seeking a senior backend/full-stack engineer to help build and evolve Sightline, our conversational analytics and intelligent alerting platform.You’ll own features end to end—from customer problem through to production—with a focus on reliable, observable systems and AI-native workflows. This backend-focused role requires...

Campmanyabogados busca un/a Full-Stack Developer en Barcelona para unirse a su equipo de IT en plena transformación digital. El candidato/a será responsable de garantizar el desarrollo y mantenimiento del ecosistema Salesforce.Se valorará experiencia en Apex y LWC, así como la habilidad para trabajar en aplicaciones externas. Se ofrece un entorno...

EY GDS Spain is seeking a Senior Full Stack Developer with strong Angular and Spring Boot experience to design, build, and maintain enterprise web apps. You will ensure accessibility with WCAG 2.1 AA and collaborate with global teams to deliver scalable, secure solutions.You will drive frontend architecture, mentor juniors, and contribute to CI/CD in a...

Findnido está buscando un Ingeniero/a de Software Full Stack Senior para liderar la próxima fase de crecimiento tecnológico. Serás el primer Tech Lead y combinarás desarrollo hands-on con responsabilidad técnica, estableciendo estándares y dirigiendo decisiones de arquitectura a medida que la empresa escala.Trabajarás en un equipo de 20 personas,...

Portless is seeking a senior full-stack engineer to own and scale major pillars of our global supply chain platform, delivering end-to-end features for the B2B portal and logistics engine.You’ll design heavy-duty API integrations with OMS/WMS/TMS, build in a serverless, cloud-native stack, and drive resilient architectures in a remote-first, globally...

EY GDS Spain is seeking a highly skilled Full-Stack Engineer (Python and Angular) to build modern web applications and actively explore AI features such as LLM APIs, embeddings, and RAG workflows to enhance real‑world products.Join a hybrid work model with opportunities for career development, collaboration with product, design, and AI teams, and a culture...

Davidson Consulting España busca un Senior Full Stack Developer con sólidos conocimientos en Inteligencia Artificial para desarrollar e integrar soluciones de IA en entornos de producción. Trabajarás en un equipo Agile Scrum, colaborando con científicos de datos e ingenieros de IA, enfocando el desarrollo backend y la IA de extremo a extremo.Se...

Second Window busca un Senior Full Stack Developer para impulsar proyectos financieros y bancarios. Se requiere dominio en Java Spring Boot, Angular y bases de datos SQL, con experiencia en CI/CD, microservicios y DevOps. Se valorará IA integrada en flujos de entrega.La oferta es 100% teletrabajo desde España, con contrato indefinido desde el primer día y...

Julius Baer in Madrid seeks an experienced Java/Full-Stack engineer to design, develop and test software within complex banking systems, owning the full delivery lifecycle and collaborating with cross-functional teams.The role requires strong Java, Spring Boot, React/Angular, SQL, and CI/CD, plus a pragmatic, entrepreneurial mindset and excellent...

Lever, Inc. is seeking a Staff Full Stack Engineer - Sell Side Engine based in Spain. The role focuses on hands-on engineering to rebuild systems supporting origination, contracting, onboarding, and growth in a rapidly scaling energy technology environment.You will own architecture decisions, work across pricing, data, billing, and risk platforms, and...

Lead backend systems development for a .NET/Vue/Nuxt platform, focusing on reliability, scalability, and feature ownership. Mentorship and architecture shaping are key.

Jobgether SRL is seeking a Software Engineer (Frontend and Backend) based in Spain to contribute across frontend and backend development for reliable, scalable cloud applications. You will work with Java, JavaScript, Python, and modern web frameworks, with containerization and cloud deployment in AWS/Azure/OpenStack/OpenShift environments.You will develop...

¿Te apetece un nuevo reto?Buscamos personas interesadas en analizar las nuevas funcionalidadesa desarrollar en proyectos con gran impacto sanitario. En #NTTDATAHealthcare tenemos vocación para liderar la transformación del sector enfrentándonos a losnuevos retos sanitarios, apoyándonos en el conocimiento propio e invirtiendo en la creación de nuevo...

3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Tata Consultancy Services IT Talent Acquisition Specialist | HR Admin Specialist | MBA Are you a. NET Full Stack Developer seeking a new interesting challenge ? If your answer is yes, it’s your lucky day so keep...

Hello everyone! We are currently looking for aSenior Full-stack Software Engineerto join our team. About usWe are an IT Consulting Group providing innovative digital solutions across Europe. Learn more: www.altiacompany.com/en The projectJoin an international project focused on the development and maintenance of financial applications for a major European...

Full-stack Technical Lead (Java+React) (#****)Bulgaria, Poland, Romania, UkraineWork type:Office/RemoteTechnical Level:LeaderJob Category:Software DevelopmentProject:ZIMN-iXis a global software development service company that helps businesses across the globe create next-generation software products.Founded in ****, we unite 2,400+ tech-savvy professionals...

At adesso Spain, we’re looking for curious, passionate technologists who enjoy solving complex problems with clean code, solid engineering practices, and a modern mindset.We’repart of a European tech group with over 10,000 professionals across 60 cities , yet we operate locally as an agile, close-knit team with real autonomy. We design and build scalable...

Neev in Sevilla is seeking a senior software engineer with 7+ years of IT experience to lead full‑stack development and backend API design using Flask. Expertise with Docker, Kubernetes, databases, Linux admin, and cloud platforms is required. Strong English, agile practices, and collaboration tools are essential for cross-functional delivery....