{"id":4259127,"url":"https://alion.io/job/nsi-senior-java-technical-designer-developer","title":"Senior Java Technical Designer / Developer","company":{"id":4428080,"name":"NSI","domain":"nsi.lu","url":"https://alion.io/company/nsi-5","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"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":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-13T14:45:27Z","employer_posted_date":null,"last_verified_at":"2026-11-13T14:45:27Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"NSI LUXEMBOURG\n\n Senior Java Technical Designer / Developer\n\n Job description\n\n Dans le cadre de notre développement, nous sommes à la recherche d'un(e) Senior Java Technical Designer / Developer disposant d'une solide expérience en développement Java, conception technique et intégration de systèmes - domaine du Lending (crédit).\n\nVos principales responsabilités en tant que consultant(e) :\n\nTraduire les besoins métiers et fonctionnels en solutions techniques adaptées.\n\nConcevoir et documenter les architectures applicatives, les spécifications techniques et les interfaces entre systèmes.\n\nParticiper à la conception et à l'évolution des applications basées sur Java, Spring Boot, API REST et microservices.\n\nDéfinir les flux d'intégration, les échanges de données et les interactions entre applications.\n\nCollaborer avec les équipes Architecture, Business Analysis, Développement, Infrastructure et Sécurité.\n\nVeiller au respect des standards techniques, des exigences de sécurité et des bonnes pratiques de développement.\n\nContribuer à la gestion des vulnérabilités, à la résolution des incidents et à l'amélioration de la performance et de la fiabilité des applications.\n\nVotre profil :\n\nMinimum 5 ans d'expérience en conception technique, développement logiciel ou intégration de systèmes.\n\nSolide maîtrise de Java, Spring Boot, REST APIs, Microservices et SQL.\n\nExpérience confirmée en conception de solutions techniques et rédaction de documentation d'architecture.\n\nBonne connaissance des architectures applicatives et des environnements d'intégration complexes.\n\nConnaissances en sécurité applicative, gestion des vulnérabilités et résilience des systèmes.\n\nUne expérience dans le secteur bancaire ou financier est fortement appréciée, idéalement dans le domaine du Lending, Mortgage ou Core Banking.\n\nBonnes capacités d'analyse, de communication et de collaboration avec des équipes pluridisciplinaires.\n\nSi à l'issue du processus de recrutement, votre candidature est retenue, un extrait de votre casier judiciaire vous sera demandé conformément aux exigences liées à notre statut PSF.\n\nCe que NSI pourra vous offrir 🤝\n\n🚀 Environnement dynamique et innovant\n\n🎓 Formations et accompagnement\n\n🎯 Suivi de carrière personnalisé et individuel par un interlocuteur dédié\n\n🔄 Missions variées grâce à un porte-feuille client riche et diversifié\n\n💰 Package salarial attractif et à la hauteur de vos compétences\n\n✨ Avantages extra-légaux\n\n🎉 Evènements réguliers pour se réunir et partager des moments tous ensemble\n\n🫶 Saisissez l'opportunité de rejoindre notre « famille NSI », où les valeurs humaines restent au cœur de nos priorités\n\nSignataire de la charte de la diversité, ce poste est ouvert à tous, sans distinction d'origine, de nationalité, de genre, d'âge, de handicap, de religion ou d'orientation sexuelle.\n\n In short\n\n Website:\n\n www.nsi.lu \n\n House of Biohealth:\n\n 27 rue Henri Koch\n4354 Esch-sur-Alzette - Luxembourg\n\n Size:\n\n 50 employees\n\n IT sector:\n\n Infrastructure, Software, Professionnel Services","description_format":"text","description_chars":3022,"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":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Help Desk & Service Desk","IT Consulting & Digital Transformation","Managed IT Services (MSP)"],"lifecycle":[{"event":"open","at":"2026-11-13T14:45:27Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":18,"reasons":["seen:0","win:early"],"computed_at":"2026-11-14T00:14:46Z"},"pay":null,"html_url":"https://alion.io/job/nsi-senior-java-technical-designer-developer","json_url":"https://alion.io/job/nsi-senior-java-technical-designer-developer.json","meta":{"generated_at":"2026-11-14T00:14:46Z","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":535,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4428080},"rest":"https://alion.io/mcp/rest/get_company?id=4428080"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnsi-senior-java-technical-designer-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fnsi-senior-java-technical-designer-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fnsi-senior-java-technical-designer-developer"},{"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/nsi-senior-java-technical-designer-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnsi-senior-java-technical-designer-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4259127}},{"tool":"search_jobs","arguments":{"company":"nsi.lu","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4259127},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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