Empleos de senior java backend engineer remote en Madrid

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...

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,...

Barcelona, Spain · Full-time · Fully office-based €65,000–€85,000 gross per year Candidates must already be based in Barcelona. Visa sponsorship is not available. Build the systems behind AI-powered email marketing. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in...

Pearson is seeking a highly autonomous Senior Software Developer to join our AI-enabled English language learning platform. You’ll design and deliver scalable backend services and APIs, integrate AI models, and guide the full software lifecycle with DevOps and Clean Code practices.Based in a hybrid setup, this role requires strong collaboration with...

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....

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...

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,...

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...

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...

Trbl Services busca un/a desarrollador/a Backend senior para diseñar, desarrollar y mantener servicios robustos con Node.Js y TypeScript en un entorno internacional. Trabajarás con APIs REST y GraphQL, y modelos de datos seguros con TypeORM y PostgreSQL.Se requiere más de 5 años de experiencia, dominio de TypeScript y Node.Js, pruebas con Jest y...

Airalo is seeking a Senior Backend Engineer to evolve our global platform serving 20+ million users. You will lead architectural decisions, implement scalable services, and drive SOA transitions. You will mentor mid-level engineers, enforce SOLID, and collaborate with Product and DevOps to translate requirements into roadmaps. Remote role for Spain...

Se busca desarrollador backend Java con al menos 3 años de experiencia en Spring Boot, AWS, microservicios, Kafka/Rabbit MQ/SQS y herramientas de IA para unirse a una consultora informática internacional.

Elastic's Observability Streams team is building Elastic's unified data pipeline and the backend services powering Logstash. You will design, build and operate features in Java and Golang, contribute to the OpenTelemetry Collector, and help deliver reliable data routing at scale. This remote-first, globally distributed role demands strong communication, deep...

GMV in Tres Cantos, Spain is seeking a passionate back-end developer for its Space Traffic Management projects. The role involves developing new functionalities in a microservice architecture and requires expertise in Java or Python, along with Linux and Docker skills. GMV offers flexible working conditions, personalized career development, and a well-being...

This role aligns to industry-level titles such asSenior Software Developer .At Pearson, we're transforming the way millions of learners develop English language skills around the world. As part of our English Language Learning division, you'll join an international AI organization working on one of our most strategic digital products. You'll help design and...

Una empresa innovadora de tecnología busca un Desarrollador Java con más de 4 años de experiencia. Este rol implica diseñar e implementar soluciones en Java y colaborar en un ambiente de trabajo remoto. Puedes esperar un entorno de mejora continua y un equipo colaborativo. Se prioriza el crecimiento profesional y la integración en proyectos desafiantes...

Tecdata busca un Arquitecto de Soluciones Senior con más de 10 años de experiencia para trabajar con clientes enterprise. Se valorará experiencia en banca, seguros, administración pública y grandes corporaciones, con fuerte foco en arquitecturas y transformación tecnológica. La modalidad es Remoto, con interacción directa con clientes y toma de...

¿Te apasiona el desarrollo backend y quieres participar en proyectos tecnológicos con arquitecturas modernas? ¡Esta oportunidad puede ser para ti!En Vermont Solutions buscamos un/a Java Backend Developer con experiencia en Spring Boot, OpenShift y APIs RESTResponsabilidadesDiseñar, desarrollar y mantener servicios backend con Java, Spring Boot y Spring...

Fundcraft is seeking a Mid or Senior Backend Engineer to join Product Enablement. You’ll help maintain and extend the platform, handle bugs, and collaborate with data fixes and roadmap delivery. You’ll work in a small, agile team close to users and stakeholders, with flexible hours and modern Girona offices. We value user-centric design, fast feedback,...

You will take ownership of a backend system that is critical to the company and our customers. You will have the opportunity to help define our roadmap and find the best technical solutions. You will also have time to run some experiments and bring new ideas to the table. Your responsibilities:Hands-on code implementation, code reviews, testing Ensure...