{"id":2011359,"url":"https://alion.io/job/isagri-full-stack-founding-engineer-individual-contributor-hf","title":"Full-stack Founding Engineer / Individual Contributor (h/f)","company":{"id":53029,"name":"ISAGRI","domain":"isagri.fr","url":"https://alion.io/company/isagri","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"A","score":100,"open_postings":5,"ghost_share":0,"stale_share":0.2,"repost_share":0,"time_to_fill_p50_days":6,"computed_at":"2026-10-17T05:46:00Z"}},"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":{"min":55000,"max":65000,"currency":"EUR","period":"year","gross":null,"usd_annual":73142},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude Code","optional":false}],"status":"live","first_seen_at":"2026-09-02T14:52:33Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-17T11:33:56Z","board_verified":true,"closed_at":null,"days_open":44,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":44},"description":"Rejoignez une start-up en pleine croissance en tant que Full-stack Founding Engineer. Vous serez responsable de la définition et de la conception de l'architecture du produit, de la refonte technique de l'expérience utilisateur, et de la contribution aux décisions produit. Vous devez avoir au moins 7 ans d'expérience en développement Full-Stack et une maîtrise de l'ensemble de la chaîne technique. Le poste est basé à Paris avec une rémunération fixe et variable.\nMissions\nDéfinir et concevoir l’architecture cible du produit sur une véritable feuille blanche, sans reprise de dette technique.\nProposer les choix structurants qui porteront le produit sur le long terme : architecture plateforme, modèle de données, organisation du code, stratégie de déploiement et observabilité.\nConstruire la nouvelle génération du produit en pilotant la refonte technique de l’expérience utilisateur.\nProfil recherché\nLE PROFIL RECHERCHE\n· Vous êtes un(e) développeur(se) Full-Stack senior avec au moins 7 ans d’expérience, dont une expérience significative de conception et de développement de produits from scratch.\n· Vous maîtrisez l’ensemble de la chaîne technique : architecture applicative, choix des bases de données, conception d’API, infrastructure, déploiement et développement front-end.\n· Vous avez déjà porté des décisions d’architecture structurantes dans un contexte de production et à l’échelle d’une organisation, avec des enjeux réels de performance, de maintenabilité et d’évolution.\n· Vous faites preuve d’une forte autonomie : vous savez identifier les priorités, avancer de manière proactive et solliciter les bonnes personnes au bon moment.\n· Vous utilisez au quotidien des outils d’IA pour accélérer vos cycles de développement et de livraison, notamment Codex et Claude Code, de l’idéation à la mise en production.\nEVOLUTIONS\nLa politique RH vous garantit un accompagnement régulier pour vous faire progresser et évoluer vers de nouvelles missions en fonction de votre projet. Rejoindre notre Groupe, c'est la garantie d'une formation initiale et continue, d'un plan de carrière personnalisé et d'un management de proximité.\n\nCONDITIONS PROPOSEES\n- Poste basé à Paris, à pourvoir dès que possible.\n- Rémunération : Fixe + Variable.\nDans le cadre de sa politique RH, nous étudions, à compétences égales, toutes candidatures dont celles de personnes en situation de handicap.\nISA-RECRUT1","description_format":"text","description_chars":2399,"description_truncated":false,"requirements":{"experience_years_min":7,"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":"2026-10-07T13:03:26Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.314,"p_room":0.35,"age_days":44,"expected_fill_days":6,"reasons":["conf:0","velocity","win:tail"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":73142,"is_top_pay":false},"html_url":"https://alion.io/job/isagri-full-stack-founding-engineer-individual-contributor-hf","json_url":"https://alion.io/job/isagri-full-stack-founding-engineer-individual-contributor-hf.json","meta":{"generated_at":"2026-10-17T14:02:48Z","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":18899,"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":53029},"rest":"https://alion.io/mcp/rest/get_company?id=53029"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fisagri-full-stack-founding-engineer-individual-contributor-hf"},{"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%2Fisagri-full-stack-founding-engineer-individual-contributor-hf"},{"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%2Fisagri-full-stack-founding-engineer-individual-contributor-hf"},{"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/isagri-full-stack-founding-engineer-individual-contributor-hf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fisagri-full-stack-founding-engineer-individual-contributor-hf"}]}