Empleos de senior java backend engineer en Madrid

Knowmad Mood, una compañía líder en transformación digital, busca un perfil senior de back-end y front-end para proyectos empresariales. Se valoran experiencia en Java 8+ y Angular 16+, APIs RESTful, Git, Maven y entornos Linux. Se aprecia conocimiento de microfrontend y Oracle DB.La empresa ofrece un entorno de trabajo híbrido y oportunidades de...

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...

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,...

Playtomic is seeking a Senior Backend Engineer for the Payments team. You will develop robust payments solutions, maintain APIs, and work with third-party gateways to ensure secure, scalable transactions. A strong focus on performance and code quality is required. You will collaborate with cross-functional teams, drive API design, and help shape payment...

Timup, consultora de selección, busca un/a Senior Backend Developer para evolucionar y modernizar una plataforma tecnológica en un entorno con microservicios en producción. Trabajarás con Symfony, Laravel y Node.js, migrando legacy de Laravel y consolidando servicios para una arquitectura óptima. Se requiere experiencia sólida en PHP 8.2+,...

Lever, Inc. is seeking a Senior Backend Engineer for Payments & Fintech in Spain. You will rebuild and scale the financial systems at the core of a growing global platform, owning architecture for billing, subscriptions, and entitlements. You will lead migrations from legacy systems while ensuring correctness, reliability, and auditable financial records....

Expereo is seeking a Backend Developer to join the Supplier onboarding and Quote Management teams and work directly on the computational core of our platform.You will write Python and/or dotnet every day, enhancing an existing Python/C# backend, creating new services, and solving real-world business problems including a constraint optimization engine and...

Help change one of the largest global industries: insurance brokerage.About UsAfori's vision is to ensure every human has the right cover at the right time. Our founders previously built insurance unicorn wefox and are now building the AI layer for insurance brokers: agents that plug directly into brokers' daily workflows and take over the back-office work...

Jobgether is seeking a Senior Backend Engineer – Data Core based in Spain. This remote-first role focuses on building infrastructure for a large-scale creator data platform, collecting data on hundreds of millions of creator profiles across major social platforms.You will own end-to-end backend systems, tackle distributed-systems challenges, and optimize...

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,...

M-KOPA is seeking a Senior Backend Engineer to scale M-KOPA Mobility. You will build event-driven C#/.NET microservices powering a growing e-mobility financing platform across Africa. The 12-month Fixed Term Contract can extend or become permanent, with fully remote work across UTC -1 to UTC +3. You will own services end-to-end, collaborate on architecture,...

Solera SEVILLA team is seeking a mid-level Software Developer to transform business requirements into scalable Java solutions. You will implement features in a microservices environment, drive domain-driven design, and modernize monoliths within an Agile Scrum context.English proficiency is required for global collaboration. Ideal candidates have 4+ years of...

Serem busca incorporar un/a Senior Programmer Kafka para un importante cliente ubicado en Madrid. Requerimos experiencia avanzada en Kafka, microservicios y Java, con enfoque en Spring Boot, programación funcional y pruebas.La modalidad es remoto con reuniones puntuales en el cliente; se contemplan guardias cada 3-4 meses, con duración de una semana....

BETWEEN Technology busca un Ingeniero de Software WCS para ampliar equipos en Barcelona. Desarrollarás soluciones que optimicen los sistemas de control de almacenes y aplicaciones de intralogística, con enfoque en Java y servicios robustos.Trabajarás en un entorno orientado a soluciones, con oportunidades de formación y participación en proyectos...

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive work on the Inference API, including integration with external ML providers and self-hosted models. You will maintain the plugin framework and REST API, collaborating across teams to design scalable, reliable systems in a distributed environment. The role emphasizes code...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Software Engineer – Future Hiring Program based in Spain. Join a forward-thinking engineering team delivering high-impact software solutions for global enterprise clients across diverse industries. As part of a...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Backend Engineer, AI Tooling based in Spain. This is a high-impact engineering role focused on building the platforms, tooling, and AI-powered capabilities that help engineering teams move faster without compromising...

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...

We’re Fever, the world’s leading tech platform for culture and live entertainment.To democratize access to culture and entertainment. With our proprietary cutting-edge technology and data-driven approach, we’re revolutionizing the way people engage with live entertainment. Every month, our platform inspires over 300 million people in +55 countries (and...

CrowdFarming está buscando un Senior AI & Backend Engineer para trabajar en una plataforma tecnológica distribuida en producción, con foco en IA, agentes y automatización. Se requieren sólidos conocimientos en Node.js/TypeScript, NestJS y AWS, y experiencia en sistemas observables y pruebas modernas. El rol implica diseñar e implementar soluciones...