{"id":2027241,"url":"https://alion.io/job/koncrete-stage-developpeur-full-stack-hf","title":"[Stage] Développeur Full Stack H/F","company":{"id":3908731,"name":"Koncrete","domain":"koncrete.fr","url":"https://alion.io/company/koncrete","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":null,"employment_type":"internship","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":50000,"max_usd":89000,"period":"year","method":"role_country_seniority_unknown","sample_n":469},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-14T08:21:56Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-24T03:19:52Z","board_verified":true,"closed_at":null,"days_open":39,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":39},"description":"Rejoins Koncrete, une startup Construtech en hypercroissance. 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Si tu es étudiant en école d'ingénieur ou université, à l'aise avec le développement web et intéressé par les environnements startup, postule dès maintenant !\nMissions\nContribuer activement au développement de nouvelles fonctionnalités pour la plateforme, y compris des applications mobiles et des API.\nOptimiser les performances et la scalabilité de la plateforme pour accompagner la croissance rapide de l'entreprise.\nAméliorer l'architecture et les bonnes pratiques de développement pour garantir une expérience utilisateur fluide, fiable et sécurisée.\nProfil recherché\n* Étudiant·e en école d’ingénieur, université ou formation équivalente (informatique / développement)* À l’aise avec les bases du **développement web** (front, back ou les deux)\n* Intérêt pour les environnements startup et les produits en construction\n* Curieux·se, autonome, capable de monter en compétence rapidement\n* Sens du produit : tu cherches à comprendre pourquoi tu développes, pas seulement comment\nEt surtout : nous cherchons une personne qui a envie de **s’investir sur la durée** dans un projet entrepreneurial ambitieux.","description_format":"text","description_chars":1365,"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":[],"lifecycle":[{"event":"open","at":"2026-10-07T13:30:48Z"}],"visa":[],"liveness":{"score":24,"band":"cold","label":"Long shot","p_open":1,"p_active":0.537,"p_room":0.45,"age_days":38,"expected_fill_days":23,"reasons":["conf:1","win:tail"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/koncrete-stage-developpeur-full-stack-hf","json_url":"https://alion.io/job/koncrete-stage-developpeur-full-stack-hf.json","meta":{"generated_at":"2026-10-24T04:48:33Z","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":7056,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":3908731},"rest":"https://alion.io/mcp/rest/get_company?id=3908731"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkoncrete-stage-developpeur-full-stack-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%2Fkoncrete-stage-developpeur-full-stack-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%2Fkoncrete-stage-developpeur-full-stack-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/koncrete-stage-developpeur-full-stack-hf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkoncrete-stage-developpeur-full-stack-hf"}]}