Empleos de senior java backend engineer remote en Madrid

Our mission is to enable everyone to build wealth. We reinvent how trading and investing work by creating exceptional products people love. That takes high standards, high velocity and engineers who own what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management - a testament to the scale and trust we have...

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...

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...

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...

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....

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...

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...

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...

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,...

Meet Urban Sports ClubWe are among the leading platforms for sports and wellness in Europe, dedicated to inspiring people to live active, healthy lives. With just one membership we offer access to thousands of fitness and wellness experiences across the continent.But what truly sets us apart? We believe our people are at the heart of everything we do. If...

Incode is seeking a backend engineer to design and implement scalable backend services powering millions of users. You will work across API design, data migrations, and fraud-detection‑oriented features, ensuring performance and reliability. You'll collaborate with DevOps, ML engineers, and product teams, applying robust engineering practices, code...

Softtek busca un Backend Developer especializado en Python con Django para desarrollar APIs y microservicios en un entorno híbrido, trabajando en soluciones escalables y de alto rendimiento. La persona participará en diseño de arquitecturas distribuidas, migraciones ORM, y optimización de rendimiento, con base en Madrid y colaboración con equipos...

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...

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...

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...

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...

Buscamos un/a Desarrollador/a J2EE con experiencia en desarrollo backend y tecnologías del ecosistema Java para incorporarse a un proyecto tecnológico estable. La persona seleccionada participará en el desarrollo de componentes complejos y colaborará en la coordinación técnica de otros desarrolladores dentro del equipo. Descripción del puesto El rol...

Talan is a global consulting group specializing in innovation and technology-driven transformation. We are seeking a Java backend engineer to design, develop, and operate backend services using Spring Boot and microservices, deploy on OpenShift, and collaborate with Angular teams on integrated solutions.You will contribute to CI/CD, REST API design, and...