Empleos de remote java backend engineer ai-driven microservices en Madrid

Lever, Inc. is seeking a Software Craftsperson/Typescript- II based in Spain. This remote role focuses on building scalable backend systems and AI-powered workflows using TypeScript, OpenAI, Claude and agentic frameworks. You will own end-to-end initiatives, mentor peers, and shape engineering practices with a hands-on, craft‑driven approach. You’ll...

DescriptionDo you think like an engineer first, and a language specialist second?We are looking for engineers who want to build t he next generation of cloud-native financial technology.Our platforms run on .NET and Java, but we are not looking for C# or Java developers (or Python developers, or developers of any other language). We are looking for software...

Escala arquitecturas distribuidas de alto impacto como Senior Java Backend Engineer En Initium Software conectamos al mejor talento técnico con los proyectos más desafiantes e innovadores del mercado. No somos una consultora tradicional; somos socios estratégicos que creemos en el impacto real a través de la tecnología. Buscamos a un Senior Java Backend...

About Air Apps At Air Apps, we believe in thinking bigger and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018 and now with offices in...

Key responsibilities 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 and DevOps...

Dow Jones in Barcelona is seeking a Staff Software Engineer to modernize real-time news systems and content services such as Newswires, Factiva and the Wall Street Journal. You will design and deploy high‑quality, scalable backend solutions using AWS, Kubernetes, Kafka and GenAI. You should have 7+ years of backend experience, Java in Linux, RESTful APIs,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer, PHP based in Spain. Join a high-scale engineering environment where you’ll build and evolve backend systems powering a global digital gaming marketplace and a growing portfolio of new products. You’ll work...

Tripledot Studios is an independent mobile games company with over 2,500 employees across 12 studios. We are seeking a data engineer to develop, maintain and optimize scalable data pipelines, data models and data infrastructure to support product analytics and monetisation insights.You will build engineering data products for product teams, Data Science, and...

Senior AI EngineerLocation: Remote — global applications welcome; please apply via the region closest to youSenior AI EngineerLocation: Remote — global applications welcome; please apply via the region closest to youCompany: ChainGPTType: Full-TimeAbout ChainGPTChainGPT is a fast-moving Web3 and AI company building products at the intersection of...

Job SummaryWe are seeking a highly analytical and detailed oriented Backend Engineer Annotator to support the development, evaluation, and improvement of Artificial intelligence. As the Backend Engineer you will play a critical role in training AI modes by reviewing, annotating, validating, and improving backend engineering datasets, code samples, and system...

Staff Software Engineer — Java / Spring PlatformCroatia; Spain ; United KingdomDuetto's core Java/Spring platform processes millions of rate decisions daily across thousands of hotels worldwide — and this role owns its architecture and evolution. As Staff Software Engineer on the Dev Platform team, you'll drive domain decomposition, define service...

Jobgether SRL is seeking an experienced Java Tech Lead / Solution Architect to lead a telecom-focused portal and integration platform. You will balance hands-on Java/Spring Boot development with architectural leadership while mentoring a small team. The role emphasizes modern cloud-native design, DDD-driven microservices, and secure IAM patterns, with a...

Sngular busca ampliar su equipo de backend para diseñar, mantener y escalar servicios de alto rendimiento. Colaborarás con equipos multidisciplinares para entregar soluciones resilientes y de calidad, con foco en arquitectura orientada a eventos y APIs estandarizadas.Se valorará experiencia de 4–5 años en backend, TypeScript, NodeJS y NestJS, así como...

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...

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...

Lever, Inc. is seeking a Technical Support Engineer based in Spain. This remote-first role focuses on maintaining a cloud-commerce platform for large service providers.You will own customer-impacting incidents from investigation to resolution, working with developers, product teams, and account managers. The position requires 3+ years in technical/support...

RemoteJobsOne is seeking a CFD Engineer for a fully remote contractor role based in Spain. You will apply CFD expertise to advance AI-driven engineering simulations, covering mesh generation, turbulence modeling, multiphase and heat-transfer challenges, solver setup, and verification/validation. Excellent English communication is essential. Responsibilities...

Ultralytics is seeking a Senior Software Engineer to develop and maintain the Ultralytics HUB, a leading platform for cloud training and deployment of YOLO AI models in Madrid-based or remote capacity. You will design scalable event-driven web solutions, collaborate with ML teams, optimize cloud resources, and contribute to CI/CD pipelines with Docker,...

About Air Apps At Air Apps, we believe in thinking bigger - and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018 - and now with...

Join to apply for theBackend Engineer (Typescript) (50K€-65K€)role atJoppyWe’re hiring aBackend Engineer for our client— someone who’ll own the backend systems that power our crypto and self‑custody platform. You’ll bring deep expertise in Go, TypeScript, RabbitMQ, and Kubernetes, paired with a passion for distributed systems, cryptography, and...