Empleos de java backend senior en Madrid

Indra Group te invita a unirte como Software Java Engineer para participar en el desarrollo de Mando y Control C-UAS, sistemas críticos en Defensa. Buscamos perfiles con al menos 3 años de experiencia en Java y capacidad para trabajar en entornos complejos y distribuidos.Ofrecemos proyectos de larga duración, formación continua, plan de carrera y un...

DXC Technology busca perfiles de backend Java con al menos 3 años de experiencia para proyectos en banca. Se valorará experiencia en Spring Boot, diseño de microservicios, APIs API-First y REST, y en arquitectura Hexagonal y DDD. Se requieren buenas habilidades de comunicación y trabajo en equipo. La compañía ofrece un entorno dinámico, aprendizaje...

Preply Inc. in Barcelona is seeking a Senior II Full-Stack Engineer (back-end heavy) to join a cross-functional team.You’ll design and evolve scalable back-end systems with Python/Django while contributing to frontend in React/TypeScript, balancing immediate product needs with long-term sustainability. The role is hybrid, with about 85% back-end focus and...

Miratech is seeking a Senior Backend Engineer (Golang) to design and build scalable, reliable backend systems. You will develop distributed services, design robust APIs, and implement event-driven architectures, with occasional frontend support in React.The role emphasizes scalability, security, and maintainability, working on integrations with enterprise...

Key responsibilitiesAs a Backend Engineer within Advanced Analytics (DA3) in the Chief Data & AI Office area at Allianz Partners, you will join our central AI team to build reusable AI foundations and production‑grade AI services on a global scale.We are looking for an engineer with strong software engineering fundamentals and hands‑on cloud and DevOps...

Kraken is expanding its Agent Systems team to build AI-powered agents that automate internal workflows across our platform. You will design, prototype, and productionize backend services that reason over user interactions and integrate with multiple internal APIs.We value strong backend fundamentals, distributed systems thinking, and hands-on AI/ML...

Experteer Overview Senior Backend Engineer at Swiss Re’s IT Resilience unit, shaping resilient backend services and AI-enabled automation. You will work across APIs, integrations and automation, contributing to engineering resilience and mentoring others. The role spans multiple languages and platforms, with a focus on turning complex challenges into...

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.Since we launched in 2019, we have already achieved the following:We’ve built a community of over...

Pearson is seeking an experienced Senior Software Developer to design and deliver backend components for digital learning products. You will partner with product teams to set objectives, define timelines, and implement scalable services with AI integration across cloud environments. This role emphasizes autonomy, ownership, and collaboration within a...

Pearson is seeking a Senior Software Developer to join the English Language Learning division, delivering AI-enabled backend services and scalable APIs. You’ll lead design, implement features, and collaborate with product teams to drive innovation in real-world learning products.The role requires autonomy, strong Python and cloud experience, and a passion...

Pearson is seeking a Senior Software Developer to help design and deliver AI-enabled backend services for our digital learning products. You’ll join an international team to build scalable solutions, implement microservices, and drive DevOps practices across the lifecycle.The ideal candidate has strong Python skills, cloud experience (AWS/GCP/Azure), and a...

Fliff Inc. is building an arena for rewards-driven entertainment, unblocking the economics of social games. We seek aSenior Python Engineer to drive backend integrations across KYC, geolocation, payments and external systems.You will own backend features from design through deployment, building scalable services in Python and Django while collaborating with...

Virtual Cave busca un Backend Technical Lead para liderar y coordinar equipos en proyectos desafiantes, con énfasis en backend escalable, fiable y seguro. Se requiere liderazgo, experiencia en Java y arquitecturas basadas en eventos, así como dominio de bases de datos y plataformas en la nube.Trabajo remoto 100% desde España, con flexibilidad horaria. La...

Zooplus is seeking a Senior Backend Software Engineer (Python) to join the Mobile Apps Team in Madrid. You will drive features, collaborate with the product owner, area architect, and teammates to clarify needs and deliver scalable backend services powering the mobile apps for millions of customers.You will participate in design decisions, own parts of the...

Amaris Consulting busca un Backend/DevOps Engineer para trabajar en plataformas de banca digital escalables, seguras y resilientes. Formarás parte de squads multidisciplinares, operando servicios críticos durante el ciclo de vida del software.Se valora experiencia en Java/Kotlin con Spring Boot, microservicios, Docker/Kubernetes, CI/CD y entornos Azure....

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...

LeoVegas Group in Málaga is seeking a Senior Backend Engineer to drive the Sportsbook backend architecture. You will collaborate with Staff Engineers, validate architectural decisions, and shape backend solutions, contributing to planning and feature development.You will own and implement scalable microservices, ensure reliability, and work with multiple...

T-Systems Iberia sucht eine/n Senior Backend Engineer mit Schwerpunkt System-Design und dem Aufbau produktiver Backend-Plattform-Services hinter AI-Inference-Endpunkten. Du treibst Architekturentscheidungen, entwickelst hochverfügbare, sichere Systeme, und arbeitest eng mit KI‑Infrastruktur- und Data‑Engineering-Teams zusammen.Du bringst umfangreiche...

Grafana Labs is hiring a Senior Backend Engineer focused on databases and Loki ingest for the Loki ecosystem. You will work in a remote, globally distributed team on Go-based services running in Kubernetes, delivering scalable telemetry databases and cloud services.You’ll influence roadmap, own features from ideation to production, and collaborate with...

Abacum, the leading business planning platform, seeks a Senior Backend Engineer in the integrations team. You’ll move across languages and ecosystems, design and scale our integrations platform, and work with product, customers, and finance experts to translate complex workflows into robust software.You'll tackle data-heavy integration challenges, build...