SENIOR JAVA ENGINEER

Svitla Systems Inc. is looking for a Senior Java Engineer for a full-time position (40 hours per week) in Poland (Kraków and its immediate surroundings). Our client is one of the largest food retailers in the world, operating thousands of stores in the United Kingdom, Ireland, and Europe. The company carries out business through multi-format stores and online. It operates stores in various formats differentiated by size and range of products sold, including large, small, dotcom only, and one-stop. They offer fresh food, drinks, bakery, grocery, home and entertainment products, baby products, clothing, household appliances, frozen food, pets, health and beauty products, consumer electronics, and electrical goods. It also provides consultancy, retail banking, and insurance services. The company was founded in 1919 and is headquartered in Welwyn Garden City, the UK.Requirements6+ years of experience in backend software development with Java.Deep knowledge of Spring Boot and related JVM technologies.Strong understanding of microservices design principles and RESTful API development.Experience with cloud platforms (preferably Azure).Familiarity with CI/CD tools and version control systems (e.g., Git, GitHub Actions, Azure DevOps).Good understanding of SQL and NoSQL databases such as PostgreSQL, MongoDB, or Elasticsearch.Hands-on experience with Docker and basic Kubernetes usage.Solid debugging skills using browser DevTools and HTTP analysis.Proficiency in Agile/Scrum methodologies.Clear and effective communication in English.Nice to haveExposure to performance testing tools like Gatling or k6.Experience with monitoring/alerting systems like Splunk or AppDynamics.Previous work in e-commerce or high-load applications.Technical certifications in Java or cloud technologies.ResponsibilitiesDesign and develop robust backend services using Java and Spring Boot within a microservices architecture.Collaborate with cross-functional teams to define and implement scalable technical solutions.Write clean, maintainable, and efficient code following software engineering best practices.Participate in architectural discussions and propose improvements aligned with business goals.Contribute to continuous integration and delivery workflows.Perform thorough testing, including unit and integration tests.Support the team by sharing technical knowledge and expertise when needed.Optimize performance and ensure high availability of developed components.We offerUS and EU projects based on advanced technologies.Competitive compensation based on skills and experience.Regular performance appraisals to support your growth.Flexibility in the workspace, either remote or in our welcoming office.Comprehensive medical insurance after one month.MultiSport card with access to 2500 sports facilities all over PolandBonuses for recommendations of new employees.Bonuses for article writing, public talks, and other activities.15 vacation days, 10 national holidays, 10 sick leaves, and family days off.Personalized learning program tailored to your interests and skill development.Free tech webinars and meetups organized by Svitla.Welcome and anniversary presents, gifts for children, and more.Regular corporate events and meetups.Awesome team, friendly and supportive community!