Senior Java Engineer - Distributed System
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 integral 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.

- Experience with build tools like Gradle or Maven and Enterprise Jenkins for CI/CD.

- Proven ability to work effectively both independently and as part of a team in an Agile environment (e.g., Scrum, SAFe).

- Comfortable operating independently in a fast-moving program and contributing from day one.

- Good engineering practices as second nature: API design, automated testing, observability, documentation, and secure-by-default delivery.

Nice to have

- Relevant experience with AWS services and AWS certifications.

- Experience working in highly regulated environments, particularly banking and financial services.

- Experience with Docker and containerization.

- Experience with serverless technologies (AWS Lambda, AWS Fargate).

- Familiarity with Test-Driven Development (TDD) and Behavior-Driven Development (BDD) practices.

- Experience building and maintaining internal developer platforms or tools.

What you ll be like

- A hands-on engineer with a builder s mindset, happy close to the code and shipping practical capability.

- Passionate about software quality, performance, and responsiveness of applications.

- Opinionated about good application development, and able to turn that judgement into patterns others can follow.

- Pragmatic and self-sufficient,



able to make progress where priorities shift and drive solutions end-to-end.

- Security- and automation-conscious. You build quality and controls in, rather than relying on manual processes.

- Collaborative across development, architecture, DevOps, and product stakeholders.

- Innovative within your team and technical domain you contribute ideas and drive improvement initiatives.

- Comfortable working in a highly regulated financial services environment with compliance and quality requirements.

What can we offer?

- 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!

- Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).

- Flexible Compensation Program: (Meals, Childcare Support, Public Transport, Professional Development, Health Care Plan options )

- Free access to premium training platforms and continuous learning opportunities.

- Professional stability, career development, and clear advancement paths.

- Competitive referral bonus program share your network and benefit!

- Choice between flexible payment schedules (12 or 14 payments per year).

- Genuine Work-Life Balance initiatives (flexibility, 100 remote work policy, compressed schedules during summer )

- Access to exclusive UST Club Platform discounts and gym access discounts.

- Opportunities to work on cutting-edge banking and financial technology solutions.

- Collaborative, inclusive culture with a global perspective.

Ready to make an impact?
If you would like to know more about this exciting opportunity with UST, don t hesitate to apply and we ll get in touch to discuss the role in detail. We are waiting for you!

Java, APIs, SDLC, SOLID, Microservices, Unit Testing,

📌 Senior java engineer - distributed system (España)
🏢 Ust
📍 España