{"id":3005655,"url":"https://alion.io/job/arhs-group-senior-java-backend-engineer-mf","title":"Senior Java Backend Engineer (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":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":53,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":{"min_usd":68000,"max_usd":203000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":7270},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Hibernate","optional":false},{"name":"JUnit","optional":false},{"name":"Machine Learning","optional":false},{"name":"Maven","optional":false},{"name":"Mockito","optional":false},{"name":"Rest API","optional":false},{"name":"SOAP","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Framework","optional":false},{"name":"TestNG","optional":false},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"Kotlin","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-21T13:38:29Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-25T10:27:51Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"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 Senior Java Backend Engineer to join one of our client teams in Luxembourg within a European institutional environment.\nIn this role, you will contribute to the development and maintenance of Java-based applications and web portals using Spring Boot. You will work closely with technical and functional teams to deliver reliable backend solutions deployed across on-premises and cloud environments.\nTHE WORK:\nDevelop, maintain, test, and deploy Java and Spring Boot applications, web portals, components, and libraries.\n\nDesign and implement backend services and integrations using REST and SOAP web services.\n\nCollaborate with team leads, technical leads, business analysts, developers, and testers to understand requirements and ensure consistency across solutions.\n\nContribute to automated testing and continuous integration and deployment processes.\n\nDeploy and monitor applications in on-premises and cloud-based containerized environments.\n\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:\nStrong experience in Java 17, preferably Java 21 or higher.\n\nSolid knowledge of Spring Framework 6.x and Spring Boot 3.x, or higher versions.\n\nExperience with JPA / Hibernate.\n\nKnowledge of REST and SOAP web services and asynchronous communication using Kafka.\n\nExperience with unit testing frameworks such as JUnit or TestNG, and mocking frameworks such as Mockito.\n\nExperience with Maven, Git, CI/CD pipelines (preferably Azure DevOps), and Docker.\n\nFamiliarity with cloud environments, preferably Microsoft Azure.\n\nKnowledge of authentication and authorization using OIDC / OAuth.\n\nAbility to collaborate effectively with technical and functional teams.\n\nBONUS POINTS IF YOU HAVE:\nExperience in full-stack web development using a JavaScript framework, preferably React.\n\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":2812,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Government","IT Consulting & Digital Transformation","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-21T13:40:34Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":53,"reasons":["conf:3","velocity","win:early","comp:attention"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/arhs-group-senior-java-backend-engineer-mf","json_url":"https://alion.io/job/arhs-group-senior-java-backend-engineer-mf.json","meta":{"generated_at":"2026-10-25T13:48:57Z","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":19762,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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%2Farhs-group-senior-java-backend-engineer-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%2Farhs-group-senior-java-backend-engineer-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%2Farhs-group-senior-java-backend-engineer-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/arhs-group-senior-java-backend-engineer-mf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farhs-group-senior-java-backend-engineer-mf"}]}