{"id":155730,"url":"https://alion.io/job/ares-group-mid-level-fullstack-java-developer-mf","title":"Mid-level Fullstack Java Developer (m/f)","company":{"id":54633,"name":"Arhs Group","domain":"arhs-group.com","url":"https://alion.io/company/ares-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Luxembourg City, Luxembourg"],"countries":["LU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Java","optional":false},{"name":"Machine Learning","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-05-19T10:11:09Z","employer_posted_date":"2026-05-19","last_verified_at":"2026-10-17T06:34:31Z","board_verified":true,"closed_at":null,"days_open":150,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":150},"description":"Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.\nArηs Group was acquired by Accenture in July 2024.\n ARHS Group, part of Accenture, is looking for a Mid-level Fullstack Java Developer (m/f) to join one of our long-term projects onsite in Luxembourg within a European institutional environment.\nYou will contribute to the evolution of key lending applications supporting critical business processes, working in a fully Agile setup alongside business and technical teams.\nThe role is mainly focused on backend Java development, while also involving frontend development and SQL scripting activities.\nTHE WORK:\nParticipate in the end-to-end development of new features and enhancements.\nDevelop and maintain backend components using Java, JEE, and Spring technologies.\nContribute to frontend development using JSF and occasionally React.\nWrite and optimize SQL scripts and database-related functionalities.\nInvestigate, troubleshoot, and resolve application bugs and production issues.\nWrite unit tests and contribute to code quality and application reliability.\nParticipate in Agile ceremonies and collaborate closely with technical and business teams.\nProvide production support during scheduled support rotations (1-week shifts several times per year).\nOnsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen collaboration.\nOur roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.\nHERE’S WHAT YOU’LL NEED:\nMinimum 3 years of experience in Java development.\nStrong experience with Java / JEE / Spring technologies.\nExperience with frontend development using JSF; knowledge of React is a plus.\nGood SQL skills and experience writing database queries/scripts.\nUnderstanding of software development best practices and unit testing.\nExperience working in Agile environments.\nStrong analytical and problem-solving skills.\nAbility to work collaboratively within cross-functional teams.\nFluency in English (written and spoken).\nAs part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.","description_format":"text","description_chars":2709,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Luxembourg","iso":"LU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Government","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-05-19T10:11:09Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.432,"p_room":0.28,"age_days":150,"expected_fill_days":49,"reasons":["conf:3","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/ares-group-mid-level-fullstack-java-developer-mf","json_url":"https://alion.io/job/ares-group-mid-level-fullstack-java-developer-mf.json","meta":{"generated_at":"2026-10-17T07:01:17Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":9569,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":54633},"rest":"https://alion.io/mcp/rest/get_company?id=54633"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fares-group-mid-level-fullstack-java-developer-mf"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fares-group-mid-level-fullstack-java-developer-mf"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fares-group-mid-level-fullstack-java-developer-mf"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ares-group-mid-level-fullstack-java-developer-mf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fares-group-mid-level-fullstack-java-developer-mf"}]}