{"id":2019944,"url":"https://alion.io/job/okara-developpeur-se-back-end","title":"Développeur.se back-end","company":{"id":3908590,"name":"Okara","domain":"okara.team","url":"https://alion.io/company/okara-2","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"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":["Lille, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":38000,"max":45000,"currency":"EUR","period":"year","gross":null,"usd_annual":50637},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"Docker","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false}],"status":"live","first_seen_at":"2026-09-14T14:35:52Z","employer_posted_date":null,"last_verified_at":"2026-09-14T14:35:52Z","board_verified":false,"closed_at":null,"days_open":49,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":49},"description":"Tu auras l'opportunité d'intégrer une squad constituée d'expert·e·s chez Okara, avec pour mission principale d'accompagner un grand compte dans la transformation de son système d'information. Ton rôle sera déterminant pour mener à bien la modernisation technologique de la structure et pour soutenir la montée en charge exponentielle de ses architectures backend.\nPlongé(e) au cœur des défis techniques liés aux enjeux cruciaux de performance et de résilience, tu interviendras sur l'intégralité du cycle de vie des projets. Tu participeras ainsi très activement à la conception préliminaire, au développement approfondi et au déploiement continu de services distribués, conçus pour être hautement disponibles.\nAu sein de cet environnement particulièrement stimulant et exigeant, tu seras amené(e) à traiter et à manipuler des volumes de données très importants au quotidien. Par ailleurs, ton expertise et ta vision globale te permettront de contribuer de manière stratégique aux grands choix d'architecture applicative afin de garantir la robustesse et la pérennité des solutions mises en place.\nProfil recherché\n- Tu justifies d'au moins 3 ans d'expérience en développement backend, idéalement sur des architectures distribuées.\n- Tu maîtrises parfaitement l'écosystème Java (notamment les versions 17 et 21).\n- Tu as une solide pratique des bases de données relationnelles (PostgreSQL) et NoSQL (MongoDB).\n- Tu es à l'aise avec le traitement et le streaming de données en temps réel via Kafka.\n- Tu maîtrises la conteneurisation et l'orchestration avec Docker et Kubernetes.\n- Tu es reconnu·e pour ton esprit d'équipe, ta rigueur et ta volonté d'apporter des solutions pérennes.","description_format":"text","description_chars":1682,"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":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T13:04:23Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":0.4,"p_active":0.67,"p_room":0.35,"age_days":48,"expected_fill_days":23,"reasons":["seen:48","velocity","win:tail"],"computed_at":"2026-11-02T06:13:15Z"},"pay":{"stated_usd_annual":50637,"is_top_pay":false},"html_url":"https://alion.io/job/okara-developpeur-se-back-end","json_url":"https://alion.io/job/okara-developpeur-se-back-end.json","meta":{"generated_at":"2026-11-02T20:52:43Z","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":29237,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":3908590},"rest":"https://alion.io/mcp/rest/get_company?id=3908590"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fokara-developpeur-se-back-end"},{"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%2Fokara-developpeur-se-back-end"},{"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%2Fokara-developpeur-se-back-end"},{"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/okara-developpeur-se-back-end\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fokara-developpeur-se-back-end"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2019944}},{"tool":"search_jobs","arguments":{"company":"okara.team","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2019944},"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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