Empleos de senior java backend engineer en Madrid

A leading super app company in Spain is looking for a Backend Staff Engineer to drive technical standards across their consumer domain. This role involves leading backend engineers, contributing to architecture decisions, and mentoring junior developers. The ideal candidate has at least 10 years of experience in backend engineering with NodeJS and...

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...

Smart Working Solutions is hiring a Senior PHP/Symfony Engineer to own backend development within a mature Symfony platform, upgrading from 6.x to 7, and collaborating with Angular, TypeScript, and Python AI microservices. The role emphasizes architecture, independence, and remote collaboration across global teams. The ideal candidate has 8+ years in...

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...

Urban Sports Club in Valencia is seeking a Senior Backend Engineer to enhance our technology offerings. In this role, you'll architect and develop impactful Golang and PHP services, collaborating with cross-functional teams to foster an outstanding wellbeing experience.Ideal candidates will have over 5 years of backend engineering experience, demonstrating...

Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and...

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,...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required. The candidate will work collaboratively to improve product performance and maintain robust...

Deine AufgabeWir suchen einenSenior Backend Engineermit ausgeprägten System-Design-Fähigkeiten und Erfahrung im Aufbau von Produktionsinfrastruktur. Diese Rolle umfasst die Architektur und Wartung von Backend-Plattform-Services hinter AI-Inference-Endpunkten – ein mandantenfähiges System, das Authentifizierung, API-Key-Management, Nutzungsmessung,...

Clarivate is seeking a Senior Software Engineer for AI Product Development to join the Cortellis CMC team in Barcelona. This permanent full-time role involves the design and implementation of backend services, with a focus on AI capabilities and scalability. Candidates should have a Bachelor’s degree in a related field and over 5 years of experience in...

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...

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...

InvestEngine is a London-based fintech hiring a Senior Backend Engineer to join the Payments Team and help scale a business-critical part of our platform. You’ll design, develop and maintain backend services in Python 3.11 using Django/DRF, build RESTful APIs, and work with MySQL and Redis. The role emphasizes reliability, performance and long-term...

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,...

Spain (Remote) Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to...

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,...

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...

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...

Trading-21 is seeking Senior Backend Engineers to join Europe’s fastest-growing mobile broker. You will own backend solutions end to end within a microservices environment, translating complex problems into durable, production-ready services. Work across teams to design for performance, scale and data integrity. You’ll contribute to a modern stack (Java,...

En Exdesis buscamos un/a profesional con experiencia en desarrollo Backend para incorporarse a un proyecto tecnológico de gran alcance, participando en el desarrollo de nuevas aplicaciones y la evolución de soluciones existentes.RequisitosExperiencia senior en desarrollo Backend con Java y Spring de al menos 4 años.Conocimientos de Oracle 19 y...