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 world's largest food retailers, operating thousands of stores across the United Kingdom, Ireland, and Europe. The hybrid mode of work includes 3 days/week at the Krakow office (this is essential as the role involves working with other team members). On-Call duties (rotating shifts).Tech Stack: Languages: Java 21; Frameworks: Spring Boot; Cloud: Azure (AKS/Kubernetes), Terraform; Architecture: Microservices, DDD, Event Sourcing; DB: PostgreSQL; CI/CD: GitHub Actions + ArgoCD; Monitoring & alerting: Splunk; Testing: Spock; VCS: GitHub; Others include Zendesk, JIRA, and Miro. Requirements: 6+ years of experience as a Software Engineer within the JVM ecosystem. Strong understanding of language & framework, and a good working knowledge of the abstraction layer underneath The ability to showcase exemplary behaviour in your work – your design, delivery, code, processes all sets examples for your team. Fluent communication skills in English. Responsibilities: Work in an Agile environment. Take a business problem and develop a technical strategy within the team, along with a high-level design, and lead the implementation. Work under minimal directions or guidance and collaborate with SDEs across teams working on the same or similar business problems. Influence your team’s technical and business strategy by suggesting novel approaches. Proactively mentor the rest of the team and help with hiring. Communicate your ideas and get feedback from different stakeholders. Drive convergence to achieve the proper outcomes. Ensure that design or architectural deficiencies are addressed, and routinely simplify the integration of your peer teams' software with your team’s software. Consistently lead the delivery of valuable features. Continually propose and drive process improvements. Help elaborate on requirements where necessary. We offer: US 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 Poland Bonuses 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!