{"id":4295707,"url":"https://alion.io/job/optiveum-senior-java-developer-java-spring-boot-kafka-oracle","title":"Senior Java Developer (Java, Spring Boot, Kafka, Oracle)","company":{"id":685848,"name":"Optiveum","domain":"optiveum.com","url":"https://alion.io/company/optiveum","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gdańsk, Poland","Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":null,"max":150,"currency":"PLN","period":"hour","gross":false,"usd_annual":76000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Gradle","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2026-11-13T12:55:21Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-14T01:06:52Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Senior Java Developer (Java, Spring Boot, Kafka, Oracle)\nAbout the Offer\nWe are currently looking for a Senior Java Developer with Kafka to join the team of our client from the banking industry. For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us.\nYou will be a key member of one of the client's agile teams, designing and building well-tested, clean solutions and working closely with business stakeholders on regulatory needs, where your engineering input will be highly valued. The client is looking for long-term cooperation.\nKey Details:\nRate: up to 150 PLN/h net + VAT (B2B)\n\nWork Model: hybrid - 3 days per week in the office, 2 days remote\n\nLocation: Gdańsk (preferred) or Warsaw\n\nKey Skills: Java, Spring Boot, Spring Integration, Kafka, Oracle, Gradle, Docker, Kubernetes, CI/CD\n\nApplication deadline: 30 November 2026\n\nResponsibilities:\nActing as a key member of an agile development team.\n\nDesigning and coding robust, well-tested and clean solutions using modern tools and technologies.\n\nWorking mainly with technologies you know well, while also stepping into new technology areas when needed to help the team deliver on its commitments.\n\nUnderstanding regulatory needs and working closely with business stakeholders to shape the best solutions.\n\nDeveloping and improving CI/CD pipelines, on both the development and deployment side.\n\nIntegrating with and consuming data from API services.\n\nDefining and designing tests that cover the application, including negative test cases.\n\nRequirements:\nDegree in Software Engineering, Computer Science or a similar field.\n\n4-5+ years of commercial experience as a Java Developer and a solid understanding of development principles.\n\nStrong skills in Java, Gradle, Spring Boot and Spring Integration.\n\nHands-on experience with Oracle and Kafka.\n\nExperience developing and improving CI/CD pipelines.\n\nExperience with Docker and Kubernetes.\n\nExperience consuming data from API services.\n\nAbility to design tests covering the application, including negative scenarios.\n\nFluent English (used daily) and fluent Polish.\n\nWillingness to work from the client's office in Gdańsk or Warsaw 3 days per week.\n\nNice to Have:\nPrevious experience in the banking or financial sector, ideally on regulatory 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