Stefan Wrzosek
I am a Java backend developer with 3+ years of experience building microservices, REST APIs, and event-driven systems using Spring Boot.
About
I am a Java backend developer with 3+ years of experience building microservices, REST APIs, and event-driven systems using Spring Boot. I’m hands-on with Apache Kafka (consumer/producer), hexagonal architecture, AWS, Docker, and CI/CD pipelines, and I thrive in agile, cross-functional teams.
Throughout my career I designed and shipped backend features at AJ Vierci — Retail Technology, Infogain Uruguay, and as founder of Vistula Uruguay, where I built a WordPress/PHP e-commerce platform. I enjoy turning complex requirements into scalable, reliable systems and collaborating with product and QA teams to deliver value.
- 10 years' experience
- Joined July 2026
Industry experience
- Software & Internet
- Retail
- Professional Services
- Education
- Other
Work experience
Design and develop Java microservices with Spring Boot and Oracle SQL within a hexagonal architecture; consume Apache Kafka components (consumer/producer) for asynchronous, event-driven service communication; deliver RESTful API integrations and scalable, fault-tolerant backend features.
Built Java test automation frameworks using Selenium for distributed system validation; participated in full agile cycle: sprint planning, code reviews, and issue resolution; managed development tasks and sprint workflows via Azure DevOps Boards.
Built and maintained a WordPress/PHP e-commerce platform from the ground up, including custom integrations and storefront features; managed all business operations: development, sales, billing, and customer consulting; developed foundational skills in web development, backend logic, and product ownership.
Education
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