{"id":593040,"url":"https://alion.io/job/baltic-amadeus-senior-java-developer-for-bas-client-b2b","title":"Senior JAVA Developer for BA's Client (B2B)","company":{"id":56360,"name":"Baltic Amadeus","domain":"balticamadeus.com","url":"https://alion.io/company/baltic-amadeus","size_band":"11-50","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Vilnius, Lithuania"],"countries":["LT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":98000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":83},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Java","optional":false},{"name":"MS SQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2026-09-10T11:13:34Z","employer_posted_date":"2026-09-10","last_verified_at":"2026-11-01T10:05:06Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"Baltic Amadeus is a technology partner helping organisationsbuild and scale their IT solutions. With a team of 300+ IT professionals, we turn complexity into systems that actually work.\nOur expertisespans the full IT lifecycle, from IT consulting and custom software developmenttomobileapp development,mobile banking, cyber security,includingpenetration testing,and web portal development. We create internal systems and customer-facing platforms, including mobile applications, self-service, eCommerce, and banking solutions.\nOur team has proven experience in industries where reliability and compliance are critical, such as banking and finance, public sector, telecommunications, logistics, and insurance.\nWith 37+ years in the industry, we partner with clients across the globe, including Fortune 500 and Forbes Global 2000 companies, helping them achieve measurable business results.\nProject/Client: Fintech\nLocation: Lithuania, hybrid model (3 days in the office)\nStart Date: ASAP\nDuration: 12 months\nSeniority: Senior\nLanguage: English\nRole Overview:\nWe are looking for a Senior Java Developer to join a fintech project focused on scalable backend systems, data integration, and event-driven architecture. The role involves developing Java / Spring Boot microservices and working with data streaming and/or Data Warehouse solutions.\nKey Responsibilities:\nDesign, develop, and maintain backend services using Java and Spring Boot\nBuild and support microservices and event-driven solutions\nWork with messaging and data streaming tools such as Kafka, RabbitMQ, or similar technologies\nContribute to data integration, CDC, ETL/ELT, and/or DWH -related initiatives\nWork with relational databases such as PostgreSQL, MS SQL Server, or similar\nCollaborate with engineering, data, DevOps, and business teams\nMust-Have Requirements:\nStrong hands-on experience with Java and Spring Boot\nProven experience with microservices architecture\nHands-on experience with Kafka, RabbitMQ, or similar messaging/streaming technologies\nExperience with data streaming and/or Data Warehouse / DWH projects\nGood knowledge of relational databases (PostgreSQL, MS SQL Server, or similar)\nFluent English\nNice to Have:\nPrevious experience in fintech, banking, or financial systems\nHourly rate: up to 47 EUR (Gross). 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