Empleos de senior java backend engineer en Madrid

Pearson is seeking an experienced software engineer to design and deliver scalable backend services with AI integration. You will work in a hybrid setup across Poland or Spain, collaborating with cross-functional teams to implement robust APIs and microservices while aligning with DevOps and Clean Code best practices.Ideal candidates have strong Python...

Seeking a Senior Backend Engineer with Java expertise to develop, test, and maintain backend systems in a hybrid cloud environment. Requires 6+ years of experience and strong problem-solving skills.

SII Group Spain busca un/a desarrollador/a Java con amplia experiencia en migraciones tecnológicas para liderar proyectos de actualización de Java y de infraestructuras de ejecución. Trabajarás en un entorno multinacional, colaborando con equipos de Plataforma y QA, para garantizar compatibilidad entre versiones y continuidad operativa. Se valorará...

En Lognext llevamos más de 18 años identificando e implementando soluciones tecnológicas prácticas que nos permitan seguir avanzando y optimizar nuestras operaciones, acompañando a los equipos con talento experto de alto rendimiento y haciendo de la tecnología una fuerza transformadora en nuestro día a día. Actualmente buscamos incorporar un/a Senior...

Rechat Inc is seeking an experienced Backend Engineer to architect and maintain core services powering our CRM and Marketing platforms. You will design scalable data models and write high-performance SQL queries, ensuring robust testing and smooth API evolution.The role emphasizes collaboration with Customer Success and cross-functional teams, driving...

Tecdata busca Senior Scala Backend Developers para unirse a un proyecto internacional en modalidad 100% teletrabajo. Los candidatos participarán en el desarrollo y evolución de una plataforma SaaS empresarial basada en tecnologías Scala y AWS.El rol implica desarrollo backend, diseño de APIs, optimización de consultas SQL, y colaboración en entornos...

JetBrains seeks a backend specialist to own entitlement, metering, and billing systems. You will design and operate JVM-based services, evolve data flows from licensing to quotas, and ensure correctness across distributed components.The role focuses on building reliable APIs, migrations without downtime, and observability, collaborating across teams to keep...

Vic.ai, Inc. is seeking a Senior Backend Engineer to join the team behind our AI-first iPaaS. You will build and operate the integration platform that connects customers' ERP and financial systems to Vic.ai, with data syncing at scale and AI-assisted onboarding. You will work on backend services in TypeScript/Node.js, Elixir/Phoenix, and Python, and...

Pearson is seeking a Senior Software Developer to design and deliver AI-enabled backend services in a hybrid setup across Poland or Spain. You will work with cross-functional teams to architect scalable systems, deploy AI integrations, and lead DevOps-driven delivery. This role emphasizes autonomous ownership, strong collaboration, and adherence to best...

Allianz Partners is seeking a Senior Backend Engineer (m/f/d) to join the Advanced Analytics (DA3) team within the Chief Data & AI Office. You will design, build, and operate cloud-native backend services and REST APIs powering AI-enabled solutions, collaborating with ML, Platform, AI Architects, and DevOps across global teams. You’ll implement...

Senior Backend Engineer (m/f/d) As 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...

Pearson is seeking an experienced Senior Software Developer to design and deliver AI-enabled backend services for our digital products. You will partner with product owners, lead backend projects, and architect scalable APIs, focusing on microservices deployment and AI integration. This full-time, hybrid role supports collaboration from Madrid or Poznań...

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...

Back Market seeks a Senior I Engineer to join our fast-growing team in Paris. You will work across the stack, from Python backends to Vue.js frontends, helping modernize a distributed architecture and deliver scalable, reliable products. Join an environment that values ownership, collaboration, and learning, with a hybrid policy, remote days, and...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. As a Senior Software Engineer, you will design, develop,...

Grupo Clave busca un/a Senior Back-End Developer para formar parte de un equipo técnico de alto rendimiento en un proyecto estratégico. Se valorará experiencia sólida en Java Spring Boot, microservicios y diseño de APIs (REST/GraphQL/gRPC). El puesto ofrece modalidad 100% remota, horario flexible y oportunidad de crecimiento técnico y liderazgo dentro...

Nationale-Nederlanden Oxygen in Madrid seeks an experienced Node.js Backend Engineer to modernise backend applications, automate processes and lead tech-driven changes. You will design, implement and maintain scalable services in a cross-functional Agile team, shaping the future of NN's digital bank offerings. The role emphasizes architecture, automation,...

Elastic, the Search AI Company, seeks a Senior Software Engineer for the Integrations Team to enable Elastic inside the AI ecosystem. You will build and maintain the MCP server, agent skills platform, and third-party integrations, working with Go and other languages while collaborating with product teams and partners. You will contribute to the Elastic CLI,...

Join a fast-growing fintech team building scalable payment solutions across the EU/UK, with opportunities for growth, flexible work arrangements, and a competitive compensation package.

Fever is seeking a Senior Backend Engineer to shape the backbone of our live-entertainment平台 from Spain with a 100% remote-friendly setup. You will thrive in a fast-paced, high-growth environment, delivering scalable services, refining architecture, and partnering with Product, Data, and other teams to improve our platform’s performance and...