We are still looking for the very Top Talent…and we would be delighted if you were to join our team

More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35,000 employees all over the world and presence in more than 35 countries . We are leaders in digital technology services, and we provide large-scale technological solutions to big companies.

What we look for?

We are looking for a Java Developer to join a highly innovative team working within a microservice-based cloud environment in the utility technology sector. You will play a key role in designing, developing, and supporting secure, scalable, and maintainable Java services, APIs, and integrations that connect critical business systems and internal tools.

- Design and implement Java services, REST APIs,



integration adapters, and extension components using Java and the Spring ecosystem.
- Translate business requirements, user stories, and interface specifications into clean, maintainable, and scalable code.
- Develop RESTful APIs with proper validation, versioning, pagination, security, and error-handling mechanisms.
- Implement reliable event-driven and asynchronous integrations, ensuring resiliency through retry, timeout, correlation, idempotency, and dead-letter patterns.
- Build and optimize persistence layers using Hibernate/JPA and SQL best practices.
- Integrate microservices and internal tools with CRM, finance,

📌 Senior Java Developer (España)
🏢 UST España & Latam
📍 España