Empleos de senior java backend engineer microservices en Barcelona

Help change one of the largest global industries: insurance brokerage.About UsAfori's vision is to ensure every human has the right cover at the right time. Our founders previously built insurance unicorn wefox and are now building the AI layer for insurance brokers: agents that plug directly into brokers' daily workflows and take over the back-office work...

remoteo busca un Senior Backend Developer especializado en C# y .NET para Barcelona. Formarás parte del equipo de Digital Marketing & Sales en una compañía internacional líder con presencia en más de 60 países y más de 20.000 personas.Barcelona | Modelo híbrido. Serás parte de un equipo que evoluciona el ecosistema digital, asumiendo ownership...

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...

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time. You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven...

Job Description: About the TeamOur Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our customers, readers and users. From revolutionizing visuals to optimizing tools and harnessing the power of data,...

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive the Inference API. You will build and maintain the plugin framework and REST API, collaborating with the inference team and the Kibana team to deliver scalable, reliable software across Elastic's cloud and hosted environments. Ideal candidates bring 5+ years of production...

SlashMobility te invita a resolver retos tecnológicos de alto impacto para grandes corporaciones. Te incorporarás en equipos pequeños y senior para diseñar y construir productos y plataformas digitales.Participarás en proyectos de modernización y escalado, aportando enfoque de producto y calidad, con responsabilidad y excelencia. Colaborarás en...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live...

Parser is seeking a seasoned Golang Backend Engineer to help build large-scale platforms and services. You will work with cross-functional teams, implement robust microservice patterns, and drive API-first development in a FinTech context.Join a fast-growing team of 340+ engineers across Europe with flexible, remote-friendly work options in Spain. Expect...

Allianz Technology, headquartered in Munich, seeks a senior Java Developer to modernize legacy systems and build cloud-based insurance products. You will work with Java/J2EE, Spring Boot, and agile methods to deliver robust REST APIs and scalable solutions.The role offers a hybrid work model, international collaboration, ongoing learning, and involvement in...

Senior Frontend Architect - (Hybrid)As you contemplate your future, you might be asking yourself, what's the next step? We're seeking an experienced Frontend Architect to join our Architect Team in Barcelona in charge of our systems. As one of Europe's top ecommerce sites, our platform serves millions of daily transactions in 40+ countries and has very...

BETWEEN Technology busca un Ingeniero de Software WCS para ampliar equipos en Barcelona. Desarrollarás soluciones que optimicen los sistemas de control de almacenes y aplicaciones de intralogística, con enfoque en Java y servicios robustos.Trabajarás en un entorno orientado a soluciones, con oportunidades de formación y participación en proyectos...

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive work on the Inference API, including integration with external ML providers and self-hosted models. You will maintain the plugin framework and REST API, collaborating across teams to design scalable, reliable systems in a distributed environment. The role emphasizes code...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required. The candidate will work collaboratively to improve product performance and maintain robust...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences. You’ll collaborate with design and product, integrate payment platforms like Stripe or...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Mambu Payments (formerly Numeral) is hiring Senior Backend Software Engineers to help build the next generation of bank connectivity and payment automation products with a focus on security, stability and performance. You will own architectural decisions for high-impact projects, collaborate with Product Managers and DevOps, mentor engineers, and contribute...

A leading consumer electronics retailer in Barcelona is seeking an experienced software developer to design and maintain backend services using Kotlin. The role requires at least 5 years of experience in server-side development, familiarity with Google Cloud, Docker, and Kubernetes, and a passion for agile methodologies. The position offers flexible working...

Una plataforma SaaS en crecimiento busca un/a Senior Backend Engineer que diseñe y desarrolle servicios backend escalables usando Django y Python. Este rol clave incluye mentorizar a ingenieros junior, implementar buenas prácticas y colaborar en un entorno Agile. Se requiere experiencia en cloud computing y habilidades de comunicación excepcionales....