Role Description
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 on digital technology services, and we provide large-scale technologic solutions to big companies.
What we look for?
We are looking for Senior Java Engineer (AWS) who will contribute to a project with one of our global customers, that is a general leader in credit cards, auto loans, banking and saving accounts.
Key Responsibilities
- Design, build, and maintain efficient, reusable, and reliable software
- As part of the DevOps model you build it, you own it and you run it , ensure stable and smooth maintenance of delivered software
- Ensure the best possible performance, quality, and responsiveness of applications
- Work effectively both independently and as part of a team
- Participate in complete Software Development Life Cycle,



including occasional QA and peer review
- Work to achieve the goals and vision articulated by Product Management
- Innovate within your team, initiative area and contribute within your technical domain.

Mandatory Requirements
- Very strong Java programming skills and knowledge of building API s
- Deep understanding of all stages in the Software Development Life Cycle
- Deep understanding of design patterns and principles (e.g. SOLID principles)
- Experience with different testing types: Unit Testing, API Testing, Acceptance Testing, Load Testing. CARGA: JMEter, Gatlin
- Experience with distributed architectures like SOA or MSA
- Experience with event-driven architectures. ASíncrn, Mensajería, colas, RabbitMQ, Kafka.
- Experience with REST APIs
- Relevant experience with AWS services (for mid profiles this is a desired skill, not a must). SNS; SQS. Lambdas,. Fargate, Serverless.
- Experience with

📌 Senior Java Engineer (Madrid)
🏢 Ust
📍 Madrid