Empleos de senior java backend engineer remote en Madrid

Allianz Partners is seeking a Backend Engineer in Advanced Analytics (DA3) to join our central AI team and build reusable AI foundations and production-grade AI services on a global scale. You will design, ship, and operate cloud-native systems with Docker/Kubernetes, Azure services, and CI/CD pipelines, working across ML engineers and DevOps to raise our...

Pearson is seeking an autonomous Senior Software Developer to design and deliver backend components for AI-powered digital products. You will work with cross-functional teams to define objectives, requirements, and timelines, and you will lead projects that emphasize scalable services and secure, reliable APIs. Based in a hybrid setup with offices in Madrid...

Work Your Magic with us! Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich...

ODOS Tech in Valencia is seeking a senior software engineer to ship features across APIs, data processing, and model services. You will participate in code reviews, help evolve deployment pipelines, and drive architecture decisions as the platform scales. Most of the team is early in their careers, so your guidance will shape how they learn. You bring 5–8...

AiFi is seeking a Backend Software Engineer to optimize highly concurrent systems and scale our store operating systems from small to large venues. You will shape core backend microservices and collaborate with app developers and product managers to address real-world use cases and bottlenecks. Join a platform that enables real-time analytics and scalable...

Playtomic is seeking a Senior Backend Engineer for the Payments team. You will develop robust payments solutions, maintain APIs, and work with third-party gateways to ensure secure, scalable transactions. A strong focus on performance and code quality is required. You will collaborate with cross-functional teams, drive API design, and help shape payment...

SCI ServiClients in Barcelona is seeking a senior QA automation engineer to design, build and own automated test coverage for a cloud-based learning platform. You will focus on backend services, API testing and contract validation. The role involves OpenAPI, OAuth2 interactions, CI/CD in GitHub Actions, and running tests in containerised environments with...

Ciklum in Málaga, Spain, is seeking a Senior Python Engineer to join a cross-functional team building backend features. You will implement AI on the client's internal platform, support high-quality code, and collaborate across planning, development, testing, and deployment. The role emphasizes PostgreSQL design, Alembic migrations, and REST API work, with a...

Pearson is hiring a Senior Software Developer to help design and deliver AI-enabled backend services for digital learning products. You will work autonomously in a fast-moving environment, collaborating with product and data science teams to deploy scalable microservices and secure, compliant solutions. The role emphasizes feature development, documentation,...

Mambu Payments (formerly Numeral) is hiring Senior Backend Software Engineers to help build the next generation of bank connectivity and payment automation products with a focus on security, stability and performance. You will own architectural decisions for high-impact projects, collaborate with Product Managers and DevOps, mentor engineers, and contribute...

Super is a global technology group building The Playstack, powering sports, gaming and fan experiences across Europe and Latin America. We are seeking a Senior Backend Engineer to join the Player – Transact Tribe to shape scalable systems and drive platform-wide improvements. You will work on core platform components, cloud-native solutions, and...

FinTech Collective, LLC is seeking a Senior Software Engineer for the Core Platform team that runs a real-time payment ledger. You will work on how transfers are accepted, recorded and confirmed, with strong emphasis on correctness under high concurrency. You’ll own design, write tests, review code, profile performance, and lead cross-team initiatives such...

IFS in Madrid, MD, ES is seeking a Senior Software Engineer, AI Agents to build the AI-driven backend powering enterprise workflows on site in Madrid. You will develop the session and memory model, retrieval, and agentic flows for multi-step work. You will implement multi-tenant SaaS capabilities, ensure secure integration with API gateways, and optimize for...

CrowdFarming está buscando un Senior AI & Backend Engineer para trabajar en una plataforma tecnológica distribuida en producción, con foco en IA, agentes y automatización. Se requieren sólidos conocimientos en Node.js/TypeScript, NestJS y AWS, y experiencia en sistemas observables y pruebas modernas. El rol implica diseñar e implementar soluciones...

Amphora Logistics busca un Backend Developer con Python para unirse al equipo de Atenea, nuestro software de gestión logística inteligente. Desarrollarás servicios backend, APIs y arquitecturas orientadas a eventos, trabajando en una plataforma cloud-native para miles de operaciones diarias. Trabajarás de forma cercana con producto y equipos...

WayOps busca un Senior Backend IA Scraper para liderar extracción y procesamiento de datos a gran escala. Participarás en el diseño y desarrollo de soluciones que combinen scraping, backend y bases de datos, exponiéndolos a través de APIs y herramientas internas. Se valorará experiencia en IA aplicada a datos, pipelines de datos y entornos...

Softtek busca un/a Backend Developer especializado/a en Python para un equipo orientado al diseño y desarrollo de soluciones backend escalables basadas en microservicios. Trabajarás en Django, APIs REST y optimización de rendimiento en un entorno productivo de alta demanda. Se requiere 2–4 años en backend Python y 1–2 años con Django en producción,...

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure...

RavenPack is seeking a Senior Software Engineer to design and build scalable AI-powered data workflows. You will partner with data scientists, product managers, and engineers to deliver high-performance backend systems and data pipelines. The role emphasizes API development, ETL/ELT pipelines, and cloud infrastructure on AWS, with a hybrid work model...

Capitole busca un/a Senior Backend Engineer con amplia experiencia para unirse al equipo en Barcelona. Desarrollarás el backend de la plataforma, creando APIs REST seguras e integraciones con sistemas internos y de terceros. Trabajarás con Node.js/TypeScript, PostgreSQL y Redis, en una arquitectura API-first sobre Azure, con prácticas DevOps y seguridad...