{"id":3691422,"url":"https://alion.io/job/join-stories-senior-full-stack-engineer-react-typescript-node-js","title":"Senior Full-stack Engineer — React / TypeScript / Node.js","company":{"id":1826813,"name":"JOIN Stories","domain":"join-stories.com","url":"https://alion.io/company/join-stories","size_band":"11-50","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":{"min":60000,"max":72000,"currency":"EUR","period":"year","gross":null,"usd_annual":80623},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-03T16:09:31Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T22:23:46Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Rejoins notre équipe en tant que Senior Full-stack Engineer. Tu seras responsable du développement de fonctionnalités clés, de la conception à la mise en production. Tu travailleras en étroite collaboration avec notre CTO, Loïc, et tu auras un impact direct sur les pratiques de l'équipe. Ce poste est basé à Paris avec la possibilité de télétravail jusqu'à 2 jours par semaine.\nMissions\nPorter des fonctionnalités du front au backend, de la clarification du besoin à la mise en production et à la vérification du résultat.\nConcevoir des solutions simples et robustes, challenger les architectures et mener des revues de code utiles.\nIdentifier et résoudre des problèmes de performance : requêtes, charge serveur, traitements asynchrones, ressources et coûts cloud.\nProfil recherché\nTu as **au moins 5 ans d’expérience pertinente en développement full-stack**, avec des situations techniques variées et des fonctionnalités livrées et maintenues en production.* Tu maîtrises TypeScript, React et Node.js, avec un bagage solide en backend et bases de données : modèles, requêtes, index, concurrence et intégrations asynchrones.\n* Ton expérience AWS / cloud te permet de comprendre les effets d’une conception sur la charge serveur, la fiabilité et les coûts, puis d’investiguer les problèmes.\n* Tu utilises déjà les agents de développement de manière avancée et tu sais expliquer comment tu cadres, relis et vérifies leur travail.\n* Tu sais prendre en charge un sujet, chercher le contexte, proposer une solution et alerter au bon moment.\n* Tu aimes comprendre comment les choses fonctionnent, expérimenter et partager tes découvertes. Ta curiosité technique se voit dans ton travail et tes échanges.\n* Tu apportes une présence chaleureuse, accessible et constructive : tu écoutes, aides volontiers et sais challenger sans condescendance.\n* Tu communiques en français avec aisance pour collaborer au quotidien avec l’équipe et les métiers.\nTu n’as pas besoin d’avoir déjà porté un titre de Lead ou de Staff : nous cherchons une posture et des exemples concrets. Avoir livré des fonctionnalités IA en production est un plus.","description_format":"text","description_chars":2121,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Video Marketing","Social Commerce"],"lifecycle":[{"event":"open","at":"2026-11-03T16:40:11Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":30,"reasons":["conf:1","win:early"],"computed_at":"2026-11-06T05:58:05Z"},"pay":{"stated_usd_annual":80623,"is_top_pay":false},"html_url":"https://alion.io/job/join-stories-senior-full-stack-engineer-react-typescript-node-js","json_url":"https://alion.io/job/join-stories-senior-full-stack-engineer-react-typescript-node-js.json","meta":{"generated_at":"2026-11-06T23:47:40Z","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":3799,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":1826813},"rest":"https://alion.io/mcp/rest/get_company?id=1826813"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjoin-stories-senior-full-stack-engineer-react-typescript-node-js"},{"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%2Fjoin-stories-senior-full-stack-engineer-react-typescript-node-js"},{"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%2Fjoin-stories-senior-full-stack-engineer-react-typescript-node-js"},{"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/join-stories-senior-full-stack-engineer-react-typescript-node-js\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjoin-stories-senior-full-stack-engineer-react-typescript-node-js"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3691422}},{"tool":"search_jobs","arguments":{"company":"join-stories.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3691422},"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. Docs: https://alion.io/developers"}}