Empleos de senior javascript engineer en Zaragoza

Jobgether SRL, on behalf of a partner, is seeking a Senior Full Stack Developer (React + Node.js) based in Spain. You will design and implement modern frontend with React, and robust backend with Node.js/NestJS, on a cloud-native AWS platform.Join an international team, work remotely, influence architecture, CI/CD, and AI-assisted development. Requires 7+...

Join our expanding engineering team! We're actively recruiting a Senior Backend Engineer to help scale M-KOPA Mobility, our fast-growing e-mobility business. This is an initial 12-month Fixed Term Contract, with the potential to extend or transition into a permanent role. Build the event-driven microservices that power clean, affordable transport for riders...

Jobgether SRL is seeking a Founding Senior Software Engineer based in Spain to build and scale an AI-powered platform. You will own architecture decisions, shape product direction, and drive end-to-end development in a lean, autonomous team.You will integrate AI capabilities, work on high-performance APIs, and influence infrastructure choices to support...

BBVA busca un/a Senior AI Platform Engineer para liderar la implantación y evolución de una plataforma corporativa de LLM Gateway. Se trabajará en acceso seguro, gobernado y observable a modelos de IA generativa, integrando con aplicaciones y agentes de IA del grupo.El candidato debe dominar plataformas cloud, APIs, seguridad y operación en entornos...

Jobgether is seeking a Senior Automation QA Engineer (Playwright/TypeScript) based in Spain. You will design, develop, and maintain end-to-end and API tests, migrating legacy Java-based tests to Playwright, and leading test automation architecture improvements.You will also develop load-testing scenarios with k6, evaluate performance metrics, and collaborate...

M-KOPA is seeking a Senior Backend Engineer to scale M-KOPA Mobility. You will build event-driven C#/.NET microservices powering a growing e-mobility financing platform across Africa. The 12-month Fixed Term Contract can extend or become permanent, with fully remote work across UTC -1 to UTC +3.You will own services end-to-end, collaborate on architecture,...

Titles? Meh, we’re not big on them, but let’s call this one Data Scientist like the other colleagues at the team As part of our international AI/ML squad, you’ll craft tailor-made solutions that wow our clients. We’re hunting for a passionate Senior AI Engineer with a solid technical background. Your mission? Train, deploy, and put groundbreaking...

Jobgether SRL, on behalf of a partner company, is seeking a Senior Backend Software Engineer as part of a Future Hiring Program. This remote Europe role is based in Spain and focuses on building scalable backend services for global enterprise clients.You will design, develop, and deploy cloud-based systems using C#, .NET, C++, and related technologies while...

EPAM Systems busca un Ingeniero/a de Datos Senior para liderar la migración de pipelines de productos de datos desde Oracle a Databricks. Se trabajará en un entorno ágil con clientes Fortune 1000, manteniendo altos estándares de ingeniería.La posición admite Madrid, Málaga o trabajo remoto en toda España, con comunicación fluida en inglés (B2+/C1)....

MEDvidi is seeking a Senior Frontend Developer to lead end-to-end frontend delivery on AI-powered clinical and administrative products. You will work with an evolving Angular monorepo, contributing to patient-facing apps and AI-assisted features, while aligning with a cross-functional team across design, product, and backend interfaces.You will own frontend...

Conteg Spain busca un Ingeniero Industrial Senior para diseñar, construir y mantener sistemas de producción escalables que impulsan productos utilizados por miles de clientes. Trabajarás con gerentes de producto, ingenieros y DevOps, en un entorno que valora la propiedad, la mentoría y la mejora continua.El rol es totalmente remoto. Requisitos: más de 5...

Knowmad Mood busca un perfil de desarrollo backend senior con más de 6 años de experiencia para diseñar y evolucionar soluciones basadas en microservicios, Java y Spring en un entorno tecnológico avanzado, orientado a IA y soluciones escalables.Trabajarás en APIs REST, arquitectura hexagonal, pruebas y DevOps (CI/CD, Kubernetes). Ofrecemos contrato...

Playtomic is seeking a Senior Backend Engineer to build robust, scalable APIs and services. You will own your domain end-to-end, balancing technical excellence with business impact while collaborating with product, design, and frontend teams.You will work in a fast-paced, pod-based environment, shipping production-ready software and integrating AI-assisted...

Nuitée is hiring Senior Product Engineers to join Connect, the heart of our platform. Connect unifies hotel supply into a single clean API that partners build on, enabling real-time pricing and inventory at scale.You’ll own the full lifecycle, move fast from idea to production, and ship iterations that matter with measurable impact on partner traffic and...

Elastic, a distributed company, is seeking a Senior Software Engineer to join the Elasticsearch - Search Relevance team. You will help shape the technical direction, design and implement new search features, and tackle challenging bugs to improve speed and relevance. You will work with a globally distributed team focused on vector search capabilities,...

Want to shape the future of #EUSpace Programme? If you have experience in Space projects such as #Galileo, #EGNOS, #SST or if you have #Cyber or #IT background… We have good news for you! We have exciting opportunities! CETRA BASE is currently looking for Senior Cyber security engineers to support EUSPA , the EU Agency for the Space Programme. ...

The Whiteam Consulting busca un Senior Backend Developer con sólida experiencia en Java, Spring Boot y Spring Batch para liderar la modernización de sistemas mainframe. Trabajarás en la migración de procesos COBOL hacia arquitecturas Java modernas, aplicando herramientas de IA en el SDLC y automatización avanzada.El rol implica diseñar soluciones,...

Airswift is seeking an Expert Quality Assurance specialist to act as the Owner's Engineering QA representative for jacket fabrication activities in Europe. The role involves reviewing contractor QA documentation, procedures, and technical queries, and supporting ITPs and acceptance testing across multiple sites. You will provide QA oversight of welding, NDT,...

Lever, Inc. is seeking a Senior Backend Software Engineer for its Future Hiring Program, based in Spain. You will join a forward-thinking engineering team delivering high-impact software for global enterprise clients across diverse industries. Working remotely within Europe, you will contribute to design, development, and deployment of scalable backend...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Data Infrastructure Engineer (Scraping & Scale) based in Spain.We are seeking a Senior Data Infrastructure Engineer to design and scale high-performance web scraping and data ingestion systems. In this fully remote role,...