{"id":2940498,"url":"https://alion.io/job/wallee-mid-level-java-engineer-2","title":"Mid Level Java Engineer","company":{"id":54332,"name":"wallee","domain":"wallee.com","url":"https://alion.io/company/wallee","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Join","truth_index":{"grade":"B","score":83,"open_postings":3,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Vilnius, Lithuania"],"countries":["LT"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":3500,"max":4500,"currency":"EUR","period":"month","gross":true,"usd_annual":60504},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Git","optional":false},{"name":"Gradle","optional":false},{"name":"Hibernate","optional":false},{"name":"Maven","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false},{"name":"Docker","optional":true},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Playwright","optional":true},{"name":"React.js","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-07T11:30:09Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-11-03T15:22:54Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":26},"description":"Wallee Group is a leader in delivering advanced payment solutions, focusing on providing robust, scalable, and secure systems across multiple domains. We are dedicated to enhancing customer experiences by offering innovative payment and finance systems that support businesses in growing efficiently. Our operations span across multiple countries, and we thrive on collaboration and agility, using frameworks like Scrum to organize teams. At Wallee, we aim to stay at the forefront of market trends, continuously innovating to provide the best services to our customers.\nWe are recruiting for our office in Vilnius and are looking for our new team member to join us on January 4, 2027.\nTasks\nKey responsibilities\nDesign, develop and maintain integrations for our payment systems and local acquiring platforms.\nWrite clean, maintainable, and well-documented code in collaboration with your team of engineers.\nDebug, troubleshoot, and resolve technical issues. Participate in operational work when needed.\nWork with frameworks like Spring and Hibernate to build and maintain our systems.\nContribute to performance enhancements and scalability.\nCollaborate with cross-functional teams to implement new features and solutions.\nPerform code reviews, design reviews, architecture reviews.\nBuild business knowledge around the payment industry and Wallee specific products.\nBoost your productivity using available AI tools.\nRequirements\nQualifications\nWe seek someone curious, eager to grow, and active in contributing to our team. You must have:\nAt least 3 years of proven working experience in Java development.\nA Bachelor’s degree or Masters Degree in Computer Science, Software Engineering, or a related field (or relevant experience).\nGood knowledge of Java programming and object-oriented principles.\nExperience with SQL and relational databases (e.g., PostgreSQL, MySQL).\nA good knowledge of version control systems like Git.\nA good knowledge of build tools like Maven or Gradle.\nA good knowledge of Spring and JPA.\nA good understanding of REST APIs.\nStrong problem-solving skills and attention to detail.\nGood communication skills in English (written and spoken).\nSerious, responsible and autonomous.\nSociable and easy to work with.\nBonus points\nWhile not required, the following skills and experiences would make you stand out:\nKnowledge of microservices architecture.\nKnowledge of DDD principles.\nExperience with front end technologies (HTML, CSS, JavaScript, Typescript, React).\nKnowledge of containerisation tools like Docker and Kubernetes.\nExperience with testing frameworks such as Playwright.\nInterest in secure coding practices and payment technologies.\nBenefits\nWhat we offer\nModern Workspace: A beautiful office in the heart of Vilnius - comfortable, bright, and collaboration-ready.\nTrue Flexibility: We embrace a hybrid way of working with 3 days per week in our office to foster collaboration, complemented by flexible daily hours and a 4-week \"Work from Anywhere\" policy every year.\nInnovation First: We work with the latest tech stacks in a flat hierarchy where your voice actually matters.\nGrowth & Culture: Competitive compensation, in the range of €3,500 - €4,500 gross/month, depending on experience, seniority, and technical expertise, personal development budgets, and a social calendar filled with events.\n The Perks: Fresh fruits, snacks, and high-quality coffee to keep you fueled.\nDon’t tick every box? 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