{"id":2028373,"url":"https://alion.io/job/latelier-senior-full-stack-software-engineer-net-react","title":"Senior Full-Stack Software Engineer .NET / React","company":{"id":3909017,"name":"L’Atelier","domain":"latelier.co","url":"https://alion.io/company/latelier-co","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":83000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":173},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-09-01T10:12:59Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-20T07:58:43Z","board_verified":true,"closed_at":null,"days_open":49,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":49},"description":"Rejoins une Fintech leader mondial dans les solutions d'avantages sociaux aux employés. En tant que Senior Full-Stack Software Engineer, tu seras responsable de l'architecture et de la conception des nouvelles fonctionnalités, du développement des fonctionnalités complexes en back-end et front-end, de l'assurance de la fiabilité de la production, et du mentorat des développeurs moins expérimentés. Tu travailleras avec une stack technologique moderne, y compris C#, .NET 8, React, TypeScript, Azure, et Docker.\nMissions\nCadrer les choix techniques sur les nouvelles fonctionnalités et piloter la refonte des composants legacy.\nCoder les fonctionnalités complexes en back-end (C#, .NET 8) et front-end (React/TypeScript).\nAssurer la fiabilité de la production (tests automatisés, intégration continue, monitoring) et corriger les problèmes.\nProfil recherché\n* Tu as au moins **8 ans d'expérience** en ingénierie logicielle sur l'écosystème .NET.* Tu as déjà construit et maintenu des applications en production avec des contraintes de charge ou de forte disponibilité.\n* Tu maîtrises la conception d'API robustes et tu es à l'aise sur un framework front moderne.\n* Tu es pragmatique : tu sais faire des compromis entre la \"pureté architecturale\" et le time-to-market.\n* Anglais courant obligatoire","description_format":"text","description_chars":1299,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"French","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T13:32:39Z"}],"visa":[],"liveness":{"score":25,"band":"fade","label":"Fading","p_open":1,"p_active":0.559,"p_room":0.45,"age_days":48,"expected_fill_days":27,"reasons":["conf:2","win:tail"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/latelier-senior-full-stack-software-engineer-net-react","json_url":"https://alion.io/job/latelier-senior-full-stack-software-engineer-net-react.json","meta":{"generated_at":"2026-10-20T12:37:30Z","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":13914,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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":3909017},"rest":"https://alion.io/mcp/rest/get_company?id=3909017"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flatelier-senior-full-stack-software-engineer-net-react"},{"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%2Flatelier-senior-full-stack-software-engineer-net-react"},{"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%2Flatelier-senior-full-stack-software-engineer-net-react"},{"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/latelier-senior-full-stack-software-engineer-net-react\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flatelier-senior-full-stack-software-engineer-net-react"}]}