Empleos de senior backend engineer java en Madrid

A leading consumer electronics retailer in Barcelona is seeking an experienced software developer to design and maintain backend services using Kotlin. The role requires at least 5 years of experience in server-side development, familiarity with Google Cloud, Docker, and Kubernetes, and a passion for agile methodologies. The position offers flexible working...

Ebury’s FinCore Engineering team in Madrid seeks a Senior Software Engineer to modernize our FX engine, reduce technical debt, and build high-throughput, regulated backend systems. You will influence platform architecture and own end-to-end delivery across a distributed cross-border team across Europe and beyond.The role focuses on Python with strong OO...

Workato seeks a seasoned Go backend engineer to design and optimize distributed systems that power our runtime platform. You will tackle high-concurrency components, memory-sensitive paths, and performance-critical code, collaborating across teams to ensure reliability and scalability.This role emphasizes low-level engineering and robust concurrency handling...

MaxIT Consulting – Max Corporate Group is seeking a Senior Backend Engineer, Payments and Ledger to join a fast-growing fintech building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming.This role centers on designing and operating backend systems that move money, with emphasis on data integrity, reliability,...

MotorK is seeking skilled engineers to join MotorK Ultra, an elite unit building scalable backend systems across Europe. The role emphasizes clean architecture, AI-driven problem solving, and high autonomy in a fast-moving, low-bureaucracy environment.You will work with PHP/Node.Js/Java, modern frontend stacks (Vue/React/Angular), and AWS, contributing to a...

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,...

Playson is seeking a Senior Backend Developer to build, optimise and scale high-load backend services where latency matters. You will own core features and write production-grade code daily in a distributed environment.Join a cross-functional team using Node.Js/TypeScript, Kafka and cloud-native infrastructure on Kubernetes with AWS/GCP. Expect on-call...

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,...

Quintall is seeking a Senior Backend Developer to join its IT Digital Marketing team in Barcelona. You will design, build, and continually improve backend services and APIs that support digital marketing and sales capabilities.As a senior member of an international Agile team, you will own backend solutions, contribute to architecture and standards, and...

TECDATA ENGINEERING busca un Senior Backend Developer (Scala) para trabajar en la localización de Sage HCM para el Reino Unido y automatización de despliegues, facturación y aprovisionamiento. Formarás parte de un equipo que corrige errores y atiende solicitudes de clientes de pago, con énfasis en rendimiento y escalabilidad.Se requieren sólidos...

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...

Abacum, the leading Business Planning solution, is hiring a Software Engineer to join our Barcelona team. You will work on a multi-disciplinary squad building a real-time calculations engine and data visualisations, collaborating with designers, product, and other engineers.We value ownership, fast learning, and a hands-on approach to shaping our technical...

Capitole busca un Senior QA Automation Engineer para un equipo técnico, definiendo la estrategia de testing y automatizando pruebas de aplicaciones y servicios backend. Se trabajará con APIs REST, JSON y OpenAPI/Swagger, además de técnicas de mock y virtualización para desacoplar dependencias.El rol implica diseñar frameworks, ejecutar pruebas,...

Commercetools is seeking a Senior Search Engineer to join the Discovery Team to build the retrieval layer behind product discovery for leading ecommerce brands. You will enhance search across catalogs, enabling fast, cost-effective results in a scalable JVM backend.You will work on lexical, semantic, and hybrid retrieval with ElasticSearch/MongoDB,...

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...

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 distributed...

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...

Quipu, part of TeamSystem, is hiring a Senior Backend Developer (Ruby on Rails) to evolve our SaaS platform used by thousands of customers daily. You will join a skilled Product and Technology team building backend features, improving scalability, and delivering robust services in a fast-paced, collaborative environment.You will work across the stack with...

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...

Jobtailor is seeking a Senior Backend Stack Engineer to own the Translation Management System Platform and related services. You will steer architecture, reliability, and evolution across translation workflows, vendor and customer management, and multiple internal integrations.You will set scalable boundaries, document ADRs, design secure REST APIs, and lead...