{"id":2023620,"url":"https://alion.io/job/spacefill-senior-software-engineer-backend","title":"Senior Software Engineer Backend","company":{"id":2892743,"name":"Spacefill","domain":"spacefill.com","url":"https://alion.io/company/spacefill-com","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":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":["FR"],"hiring_countries_total":1,"salary":{"min":70000,"max":85000,"currency":"EUR","period":"year","gross":null,"usd_annual":95648},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Node JS","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-30T10:38:19Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-11T03:47:12Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"Rejoignez notre équipe en tant que Senior Software Engineer Backend. Vous serez responsable du développement et de la gestion de notre plateforme technique, qui comprend des bases de données, des API, des connectivités avec d'autres acteurs de la logistique, des interfaces pour différents types de clients et des flux avec nos CRM. Vous travaillerez principalement avec Node.js, TypeScript et SQL, et serez impliqué dans l'architecture, la conception, le développement, la livraison itérative et le suivi en production.\nMissions\nParticiper activement au développement et à l'optimisation des systèmes backend, en mettant l'accent sur Node.js, TypeScript et SQL.\nEncadrer techniquement d'autres développeurs seniors, en partageant vos connaissances et votre expertise.\nCollaborer avec les équipes produit et UX pour concevoir des solutions adaptées aux besoins des clients.\nProfil recherché\n* Vous avez au moins **7 ans d’expérience** en développement backend/data sur des applications web.* Vous avez travaillé de façon transversale sur une plateforme complète (bases de données, backends, API) avec un volume conséquent de requêtes, idéalement **> 50 requêtes par seconde**. Et également travaillé sur des bases de données de plus de 200Go\n* Vous avez été impliqué(e) dans le **Run** : livraisons, monitoring de la production, gestion d’incidents.\n* Vous aimez passer **80 % de votre temps à développer** (du code qui fonctionne en production, pas des slides) et **20 % à interagir** avec les autres équipes (tech, produit, business).\n* **Soft skills :** bonne maîtrise de la communication orale et écrite, intérêt pour le business, agilité intellectuelle, pragmatisme.\n* Vous avez de très bonnes bases en architecture : savoir quand utiliser de l’asynchrone, comment concevoir une base de données en fonction des enjeux de scalabilité.\n* Vous avez une bonne connaissance du **SQL** et des **bases de données en général**.\n* Vous parlez francais\nBonus Point:\n* Vous avez été Tech lead ou CTO\n* Vous habitez a Paris","description_format":"text","description_chars":2016,"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":["Transportation & Logistics","Logistics","Warehousing","Industrial Real Estate"],"lifecycle":[{"event":"open","at":"2026-10-07T13:25:12Z"}],"visa":[],"liveness":{"score":75,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.748,"p_room":1,"age_days":9,"expected_fill_days":29,"reasons":["conf:2","win:early"],"computed_at":"2026-10-10T05:45:15Z"},"pay":{"stated_usd_annual":95648,"is_top_pay":false},"html_url":"https://alion.io/job/spacefill-senior-software-engineer-backend","json_url":"https://alion.io/job/spacefill-senior-software-engineer-backend.json","meta":{"generated_at":"2026-10-11T04:37:01Z","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","counted_by":"address","units_charged":1,"used_today":3507,"day_limit":5000,"remaining_today":1493,"minute_limit":60,"resets_at":"2026-10-12T00:00:00Z"}},"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":2892743},"rest":"https://alion.io/mcp/rest/get_company?id=2892743"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fspacefill-senior-software-engineer-backend"},{"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%2Fspacefill-senior-software-engineer-backend"},{"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%2Fspacefill-senior-software-engineer-backend"},{"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/spacefill-senior-software-engineer-backend\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fspacefill-senior-software-engineer-backend"}]}