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 general 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

📌 Senior Java Engineer - Distributed System, 100% En remoto (España)
🏢 Ust
📍 España