Empleos de remote java backend engineer en Madrid

GFT es una compañía pionera en transformación digital. Diseñamos soluciones de negocio centradas en la inteligencia artificial (AI-Centric), modernizamos infraestructuras de TI y desarrollamos sistemas core de nueva generación para líderes del sector bancario, asegurador e industrial. En estrecha colaboración con nuestros clientes, desafiamos los...

Experis Manpower Group in Madrid seeks an engineer to own technical products and drive end-to-end projects with a cross-functional team. You will apply deep programming knowledge and cloud experience to deliver tangible business value from day one. The role favors an entrepreneurial mindset, proactive problem solving, and a passion for learning in a dynamic,...

Maisa is seeking a backend-focused software engineer to design, build, and maintain scalable services in Go and Python within a microservices architecture deployed on Kubernetes. You will own features end-to-end, collaborating with client-facing teams to translate requirements into reliable solutions. The role requires 3–7+ years of backend experience,...

Sigli is hiring a backend Java developer to join our international team on a 9-month remote contract. You will design and scale microservices, build REST APIs, and ensure data is exposed to dashboards, with a focus on performance and reliability. You will work across Europe and the UK, collaborating with product, QA, DevOps, and data teams. The project uses...

¿Te apasiona el desarrollo backend y quieres participar en proyectos tecnológicos con arquitecturas modernas? ¡Esta oportunidad puede ser para ti! En Vermont Solutions buscamos un/a Java Backend Developer con experiencia en Spring Boot, OpenShift y APIs REST Responsabilidades - Diseñar, desarrollar y mantener servicios backend con Java, Spring Boot y...

Affirm is seeking a Staff Software Engineer, Backend (Identity International) to lead backend architecture for global markets from Spain. You will design scalable systems, shape technical strategy, and collaborate with product, design and analytics to ensure robust identity services.You will own operations, drive high availability, and help grow talent while...

AgioGlobal Technology busca un/a Desarrollador/a Python Senior con amplia experiencia para diseñar, desarrollar y mantener servicios backend en Python, con foco en calidad de código y escalabilidad.Se trabajará con APIs usando FastAPI, funciones serverless con AWS Lambda y contenedores Docker, con enfoque DevOps y teletrabajo 100%. Salario entre 38.000 y...

Playtomic seeks a Senior Backend Engineer to build robust APIs and scalable services. You will own domain decisions in a pod, collaborating with product and frontend teams to ship secure, high-performance backend systems. Strong Java Spring Boot, API design, and distributed systems experience are essential, with a focus on production health and AI-assisted...

Neo4j is seeking a Senior Software Engineer to shape the core analytics of GraphAware Hume, our graph-powered analytics platform. You will build secure, scalable backend APIs and collaborate with a global team. The ideal candidate has 8+ years of backend experience, fluency in Java, and expertise in Spring, DDD, and TDD. Familiarity with Docker, CI/CD,...

Upsun is seeking a Senior Software Engineer to design and build the backend services behind our billing stack, including invoices, taxes, usage reporting, and external integrations. You will own complex components end to end, driving reliability and security while collaborating with Finance, Product, and Support. This hands-on role requires Go expertise,...

Una empresa tecnológica en crecimiento en Majadahonda busca un Desarrollador/a Sr Backend con amplia experiencia en Python Django para liderar el desarrollo de su infraestructura backend. Se requiere un mínimo de 5 años de experiencia, habilidad para diseñar arquitecturas escalables y trabajar con Jira. El puesto permite trabajo híbrido y ofrece...

Ersilia is seeking a senior backend engineer to own critical systems and contribute to the roadmap. You will implement code, review it, test rigorously, and ensure reliability, performance, and correctness across production environments. Work autonomously with high ownership, collaborating with engineering and product teams while balancing risk and business...

Grafana Labs is hiring a Senior Software (Database) Engineer to help build the underlying storage system for a general purpose data platform. You will work on a SaaS-ready database layer with OLAP/OTLP capabilities, designed to run across cloud providers, with high autonomy and cross-functional collaboration. The role emphasizes pragmatic architecture...

Grafana Labs is seeking a Staff Backend Engineer for Alerting to help scale and improve our alerting platform. The role is 100% remote with applications from Spain, focusing on distributed backend systems and open‑source collaboration. You will influence the roadmap, deliver features, and own services from ideation to production. This role emphasizes...

HBX Group is seeking a senior Backend Engineer to develop core functionalities for the CivitFun SaaS platform in the hospitality sector. You will work on integrations with external systems (PMS, payments, locks), architecture design, and cloud deployment from end-to-end. You will design and implement secure backend services with Node.js, collaborate on...

Partner Company in Spain is seeking a Backend QA Engineer to own software quality across a high-traffic backend platform. You will combine manual testing with automated test development using TypeScript and Playwright to validate complex transactions, API integrations, and event-driven workflows. Work remotely within Europe with cross-functional...

Affirm is seeking a Staff Software Engineer, Backend for Identity International to set the technical strategy for the team on a yearly horizon, aligning with product management, design and analytics to deliver scalable identity services across markets outside North America. You will own operations, reliability, and code standards, mentor engineers,...

Airalo is hiring a backend engineer to build and maintain scalable services for a global customer base. You will implement robust APIs, optimize database queries, and contribute to a modular, service-oriented architecture. The role requires 3-5 years in backend development with PHP, strong OOP knowledge, and experience with Laravel or Symfony. You will work...

FYUL is seeking a Senior Back-end Software Engineer to join the Commerce Pillar. You will shape our commerce solutions by building reliable, scalable systems and collaborating with product teams. The role offers remote work options and an office in Riga, with flexible hours and strong emphasis on ownership and continuous learning. Ideal candidates have 5+...

Citibeats in Barcelona is looking for an experienced Backend Software Engineer to join their fast-growing team. The role involves developing new features, API endpoints, and maintaining the AI & NLP platform. Ideal candidates should have at least 3 years of experience in Python, preferably with Django, and be fluent in both Spanish and English. Citibeats...