{"id":2023320,"url":"https://alion.io/job/matters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript","title":"Full Stack Engineer (React/Typescript)","company":{"id":2620757,"name":"Matters","domain":"matters.tech","url":"https://alion.io/company/matters-tech","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":null,"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":50000,"max":55000,"currency":"EUR","period":"year","gross":null,"usd_annual":61890},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GitLab CI","optional":false},{"name":"Nest.JS","optional":false},{"name":"Next.js","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Node JS","optional":true}],"status":"live","first_seen_at":"2026-09-01T07:56:34Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-27T16:23:20Z","board_verified":true,"closed_at":null,"days_open":56,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":56},"description":"Rejoins Matters, une entreprise innovante où tu participeras à la conception et l'implémentation de produits ambitieux en tant que développeur(se) full stack. Tu seras responsable de la réalisation du produit, de la conception des API à la mise en production, en veillant à la qualité du code et à l'expérience utilisateur. Tu travailleras sur des projets fintech et d'intelligence artificielle, tout en partageant tes connaissances avec l'équipe.\nMissions\nParticiper à la conception et à l'implémentation de produits ambitieux en tant que product-builder.\nDévelopper des fonctionnalités robustes, gérer les briques de A à Z, de la conception des API à la mise en production.\nÉcrire du code TypeScript propre, lisible et systématiquement testé, et participer aux revues de code.\nProfil recherché\nTes skills !* **Maîtrise de la stack JS/TS :** Tu as une expérience solide sur **React (Next.js)** et tu es à l'aise en backend avec *Typescript* (une expérience sur **NestJS** est un gros plus).\n* **Conception & API :** Tu sais modéliser une base de données (ex: PostgreSQL) et construire des API respectant les standards du marché et bien documentées.\n* **Qualité :** Pour toi, une feature n'est pas finie tant qu'elle n'est pas testée.\n* **Curiosité IA :** Tu as envie de comprendre comment intégrer proprement des briques d'IA dans une application web moderne.\n* **Culture Ops :** Tu es familier(e) avec **Docker** et tu as déjà utilisé des outils de CI/CD (comme Gitlab CI) pour déployer tes projets.\n* **Communication simple :** Tu sais expliquer tes choix techniques ou vulgariser un concept complexe pour tes collègues ou le client.\n* **Fintech :** Tu as idéalement de l'expérience sur un produit traitant des flux financiers. Tu as conscience que sur un projet Fintech, la précision et la sécurité ne sont pas négociables.\nEt toi ?\n* Tu es business-oriented, pour toi la technique est au service du produit : tu cherches la solution la plus adaptée au contexte et au besoin\n* Bon(ne) team player, tu partages, capitalises et fait monter les autres en compétences\n* Tu termines ce que tu entreprends et tu te soucies de produire le niveau de qualité adapté au contexte\n* Optimiste convaincu(e), tu prends le feedback comme une occasion d’apprendre\n* Autonome avec de l’énergie, de la motivation, et encore de l’énergie\n* Bon niveau d’anglais\nChez Matters nous avons créé une culture bienveillante dans laquelle on recherche toujours de meilleures manières de faire.\n**Et si tu rejoignais Matters ? On a encore plein de choses à te faire découvrir !**","description_format":"text","description_chars":2554,"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":[{"language":"French","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Angel Networks & Startup Accelerators"],"lifecycle":[{"event":"open","at":"2026-10-07T13:24:37Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.364,"p_room":0.55,"age_days":55,"expected_fill_days":42,"reasons":["conf:2","win:tail"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":61890,"is_top_pay":false},"html_url":"https://alion.io/job/matters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript","json_url":"https://alion.io/job/matters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript.json","meta":{"generated_at":"2026-10-27T19:52:32Z","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":10697,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":2620757},"rest":"https://alion.io/mcp/rest/get_company?id=2620757"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmatters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript"},{"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%2Fmatters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript"},{"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%2Fmatters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript"},{"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/matters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmatters-product-startup-studio-developpez-vos-produits-full-stack-engineer-reacttypescript"}]}