Empleos de senior java backend engineer remote en madrid

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...

Workato is seeking a Staff Backend Developer (Ruby/Go) to join our Engine team, focusing on the Recipe runtime and distributed architecture. You will contribute to performance, scalability, storage, durability, and concurrency guarantees across complex services. We welcome Ruby and Go experts who can lead architecture, review code, and drive improvements...

New Relic, Inc. is a leader in observability and AI‑driven software. We are seeking engineers to join the Distributed Tracing Pipeline team, building a scalable distributed service architecture for ingesting large data volumes, analyzing spans and traces, and delivering data to the UI for rapid insight. You will work with a diverse tech stack including...

Lever, Inc. is seeking a Backend Engineer based in Spain to join a small, ambitious product team. You will own the central API and backend services, primarily using Node.js and TypeScript, and focus on API design, data modeling, performance, and developer experience. This remote, asynchronous role offers substantial technical ownership, collaboration with...

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...

Constructor.io is a distributed team hiring a backend-focused engineer for its Experiments platform. You’ll build Python services and data-heavy pipelines, with opportunities to contribute to the Dash UI and Spark/Databricks work, while prioritizing correctness and observability. You’ll own backend components for experiment assignment, logging, and...

We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success. We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and...

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,...

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...

TEAM International Services in Spain is seeking a Backend Engineer to join our banking platform team. You will build production-grade backend services in C# / .NET, focusing on correctness, reliability, auditability, and maintainability. The role involves designing APIs, working with SQL databases, applying clean architecture, and writing unit and...

GFT Technologies SE busca un/a Ingeniero de Modernización COBOL & Java con más de 5 años de experiencia para analizar aplicaciones mainframe y diseñar arquitecturas Java de destino. Se trabajará en entornos híbridos y con herramientas IA para acelerar transformaciones, manteniendo calidad y equivalencia funcional.Será responsable de construir...

UST está buscando un desarrollador backend AI para un proyecto orientado a modernización de aplicaciones empresariales y automatización del desarrollo con IA. El candidato trabajará en backend Java Enterprise, migración de sistemas legacy y modernización, usando herramientas IA como Copilot y Devin AI.Se ofrece trabajo 100% remoto para España y un...

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...

Parser is seeking a motivated Backend Engineer to join our development team in Madrid. You will apply strong JVM-based skills (Java/Scala/Kotlin) to build scalable services, contribute to design decisions, and drive improvements across production systems.The ideal candidate has 6–7 years of software development experience in teams, with cloud production...

BCNC Group busca un/a Senior Backend Developer Java con al menos 4-5 años de experiencia para participar desde el inicio en una nueva plataforma tecnológica global orientada a optimizar procesos de logística y distribución. Formarás parte de un equipo ágil y multidisciplinar, con capacidad real para influir en decisiones de diseño, arquitectura y...

Elastic, the Search AI Company, is seeking a Senior software engineer for the Streams Backend. You will design features for Logstash and backend services in Golang, contribute to OpenTelemetry Collector, and support users and enterprise customers in a distributed, remote-first environment.You will work across Java, Golang and Ruby, solving complex...

BESTSECRET in Málaga is seeking a (Senior) Java Software Engineer to build and optimize our Kubernetes-based supply platform. You will develop backend services with Java and Spring Boot, enabling data-driven, AI-assisted decisions for purchasing and onboarding.You’ll work with cross-functional teams across Tech, Buying and BI to improve deal preparation,...

BCNC Group busca un Senior Backend Developer Java para impulsar una nueva plataforma global orientada a optimizar procesos de logística y distribución. Te unirás a un equipo ágil y contribuirás en decisiones de diseño y evolución del producto.Se requieren 4–5 años de experiencia, Java 21 y Spring Boot, API First, y experiencia con...

PrimeIT España busca un Ingeniero de Software Senior / Backend Developer para liderar el desarrollo de soluciones back-end en Java, con experiencia en Spring Boot y microservicios. Se valorará la experiencia en arquitecturas hexagonales, APIs REST y sistemas distribuidos.El puesto es híbrido en Madrid (1 día a la semana presencial) con oportunidades de...

UST, multinacional norteamericana líder en servicios de tecnología digital, busca un/a Production Support Técnico-Funcional para Gestión y Soporte a Producción, para colaborar con un cliente del sector bancario. Se requieren >4 años en mantenimiento de apps Java, experiencia Agile y en Service Request Manager, y al menos 1 año en Trade & Supply Chain...