Empleos de java back-end en Madrid

A technology recruitment firm is looking for a Senior Back-end Engineer with PHP expertise to develop and enhance payment systems. This remote role offers the opportunity to work in a dynamic environment, focusing on scalability and innovative solutions. Ideal candidates will have over 5 years of PHP experience and knowledge of Domain-Driven Design and Agile...

New Relic is seeking a backend engineer to design, build, and operate JVM-based microservices (Java/Kotlin) powering massive telemetry pipelines and observability features. You will own services end-to-end, implement asynchronous patterns, and contribute to a scalable, resilient platform used by engineers globally. The role emphasizes strong collaboration,...

Haddock, the AI-powered back-office for restaurants, is hiring for an AI/Automation Engineer to design and ship internal agents that reduce repetitive work across CX, Sales, Marketing, Partners, Finance and People in Barcelona. You will own the end-to-end automation stack, combine TypeScript or Python with internal tools, and work closely with Héctor and...

Restb.ai, Barcelona-based, seeks a Senior Full Stack Engineer to lead our public-facing web app and guide a dedicated engineering team. You will build scalable features using Angular on the front end and Python on the back end, ensuring robustness for a global user base. The role focuses on architectural leadership, mentoring, and delivering high-quality,...

A financial services company located in Alcobendas seeks a Mid-Senior level External Consultant - Software Developer. This role focuses on the Back-End of a web application that handles money remittances and currency exchange, requiring over 5 years of .NET C# development experience. Ideal candidates will also have experience in Transact-SQL and familiarity...

En ALTEN sabemos que el éxito de nuestros proyectos depende de las personas que forman nuestro equipo.Si tienes experiencia comoSite Reliability Engineer (SRE), trabajando en entornos cloud, con foco en observabilidad, automatización y operación 24/7, y te interesa participar en la evolución y mejora continua de plataformas complejas (M2M), queremos...

Salesforce is seeking a Senior Forward Deployed Engineer to own end-to-end delivery of agentic AI solutions for our most strategic customers. You will design and ship agentic systems on the Agentforce platform, handle data lifecycle, and mentor engineers while collaborating with Deployment Strategists to shape AI strategy.You bring 6+ years of software...

Senior Full Stack Engineer – Industrial Sustainability Reporting Platform (React, Go)Full-timeIFS is a billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters-at the Moment of...

Una empresa tecnológica en España busca un desarrollador back-end Python con experiencia en FastAPI o Flask para construir plataformas de software alineadas con la estrategia de IA. Se requiere al menos 5 años de experiencia, habilidad en sistemas distribuidos, APIs RESTful y pipelines de CI/CD. Un entorno flexible que fomenta el trabajo en equipo y un...

¿Te gustaría formar parte de una empresa en pleno crecimiento y con grandes posibilidades de desarrollo profesional? En ROR te estamos esperando!Buscamos un/a Programador/a Senior con experiencia en aplicaciones web, para unirse a nuestro equipo IT ubicado en Barcelona en un ambiente dinámico, joven y en crecimiento. Si tienes pasión por el desarrollo y...

Performanze es una solución digital para validar, escalar y optimizar negocios online. Ayudamos a Empresas, Startups y Scaleups a aumentar su rendimiento, impulsar su rentabilidad y conseguir objetivos. Performanze forma parte de Subdiagonal, un grupo de empresas global en la vanguardia de la innovación, tecnología y emprendimiento, integrando un...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Provectus seeks a Senior AI Engineer to build and ship production GenAI systems in customer environments. You will design agentic workflows, optimize RAG pipelines, and own components from development to production, collaborating with FDE and FDX on architecture and delivery. You will write production-grade code across AI, back-end services, and data...

Experteer Overview In this role you will activate and configure Embat software for new clients, focusing on treasury management, cash flow forecasting, cash accounting and payments. You will work closely with CFOs and their teams to tailor configurations, manage implementations end-to-end, and coordinate with product and internal stakeholders. You’ll...

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...

Trading 212 Ltd. is seeking a Senior Backend Engineer to own end-to-end backend solutions across a microservices landscape. You will design scalable services, ensure performance and data integrity, and collaborate with product and engineering to translate complex requirements into durable systems.You will work with Java 21 (Spring), Go, and Node.Js...

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a collaborator who wants to help transform how businesses...

Allianz Technology ищет опытного разработчика программного обеспечения, владеющего Python, TS/JS и Java, для работы над end-to-end решениями с акцентом на AI-управляемые процессы и архитектуру. В обязанности входит...

Lever, Inc. is seeking a Mobile Application Developer and Support Analyst to design, develop, test, deploy, support, and optimize SAP-based mobile applications and extensions. You will work with SAP MDK, BAS, and SAP BTP Mobile Services, handle offline-first capabilities, integrations with OData/SAP S/4HANA, and backend extensions using SAP CAP, Node.js, or...

Role Description Estamos buscando el mejor talento… y ¡nos encantaría que te unieras a nuestro equipo! ¿Qué buscamos? Buscamos un/a Business Rule Engine Project Manager / Product Owner con amplia experiencia liderando iniciativas tecnológicas vinculadas a motores de reglas de negocio (Business Rule Engines), idealmente con experiencia dentro del...