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 on 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 Dev Ops mindset to build and maintain efficient, scalable, and reliable software solutions. The idóneo 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.

Location: 100% Remote for candidates based in Spain.

Language: English is a must. Spanish desirable.

On-call support: Paid 24/7 on-call rotation. One week on-call every 5-6 weeks with compensation for on-call hours.

Key Responsibilities

- Work as part of a SRE cross-functional group of engineers in applying Site Reliability Engineering principles to in-house developed front-end applications.
- Have a clear oversight on how managed systems relate to each other, with autonomy to continuously iterate improvements to achieve highly available, fault tolerant applications.
- Identify, troubleshoot and pre-empt operational issues being able to understand and modify code.




- Preserve the platform health and implement tech compliance
- Drive engineering best practice (e.g, Operational Excellence, Security, Quality, Resilience etc.) and set standards across the team.
- Estimate, scope and plan your work within an agile environment.
- +6 years of experience as Developer in Operations
- Production-grade experience of developing and managing API’s using Java & Springboot.
- Excellent understanding of SOLID principles, SOA, HTTP and REST.
- Production experience running microservices on container orchestration architectures.
- Passionate about API testing utilising tools similar to Wiremock, Pact, Postman and Cucumber.
- Good understanding of API authentication and authorisation mechanisms like OAuth.
- Understand the concept of distributed tracing and have some experience working with logging tools
- Basic knowledge of infrastructure as code and CI/CD pipeline management via Jenkins.
- Strong experience in back-end architectural and design patterns.
- Good knowledge of distributed systems at backend with a proven track record in Performance, Scalability, and Resiliency.
- Advanced English level (B2+/C1)
- Java: Core Java, Spring Boot, Spring Framework
- Dev Ops & CI/CD: Enterprise Jenkins, Gradle, Maven,



Git Hub, Infrastructure as Code
- Testing: Unit Testing, API Testing, Acceptance Testing, Load Testing (JMeter, similar tools)
- Cloud: AWS services (Lambda, API Gateway, EC2) – desired skill
- Containerization: Docker (nice to have)
- Practices: Automated Testing, Observability, Secure-by-Default Delivery, SDLC Best Practices
- Additional: TDD/BDD, Serverless Technologies, AWS Certification (nice to have)

Work Schedule

Business Hours. No intensive working days on Friday or during summer.

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).

Free access to several training platforms

Professional stability and career plans

UST also compensates referrals from which you could benefit when you refer professionals.

The option to pick between 12 or 14 payments along the year.

Real Work Life Balance measures (flexibility, 100% remote work policy, compacted hours during summertime…)

UST Club Platform discounts and gym access discounts

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

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.

#J-18808-Ljbffr

📌 Senior Java & DevOps Engineer – Distributed Systems & Microservices | Spain (España)
🏢 UST España & Latam
📍 España