Software Engineer | Java & AWS | 100% Remote in Spain

About this role

Role Description
We are 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 company with over 35,000 employees all over the world and presence in more than 30 countries. We are leaders in digital technology services, and we provide large-scale technological solutions to big companies.


What are we looking for?


We are seeking a Senior Java Developer with strong software engineering expertise and a DevOps mindset to build and maintain efficient, scalable, and reliable software solutions. The ideal candidate enjoys creating robust APIs, distributed systems, and best-practice frameworks that enable teams to deliver high-quality applications. You’ll work on a global customer project in the financial services sector—a leading provider of credit cards, auto loans, banking, and savings accounts.


Position 100% remote for candidates based in Spain.
On-call support:
Paid 24/7 on-call rotation. One week on-call every 5-6 weeks with compensation for on-call hours.


What we’re looking for


Essential

• Strong Java programming skills with deep knowledge of building production-grade APIs and distributed systems.
• Solid understanding of all stages in the Software Development Life Cycle (SDLC) and ability to contribute across the full lifecycle.
• Deep understanding of design patterns and principles (e.g., SOLID principles, microservices patterns).
• Experience with multiple testing types: Unit Testing, API Testing, Acceptance Testing, and Load Testing.
• Experience with distributed architectures such as SOA (Service-Oriented Architecture) or MSA (Microservices Architecture).
• Experience designing and implementing event-driven architectures and REST APIs.
• Strong grasp of the “build it, own it, run it” DevOps model—you take responsibility for design, deployment, and maintenance of your solutions.
• Ex...