{"id":2592932,"url":"https://alion.io/job/axande-developpeur-backend-node-js-senior","title":"Développeur Backend Node.js Senior","company":{"id":3908499,"name":"Axande","domain":"axande.fr","url":"https://alion.io/company/axande","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":550,"max":620,"currency":"EUR","period":"day","gross":null,"usd_annual":172500},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Akamai","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Cloudflare","optional":false},{"name":"Docker","optional":false},{"name":"ElasticSearch","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Kubernetes","optional":false},{"name":"Memcached","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Redis","optional":false}],"status":"live","first_seen_at":"2026-10-15T03:42:22Z","employer_posted_date":null,"last_verified_at":"2026-10-15T03:42:22Z","board_verified":false,"closed_at":null,"days_open":9,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":9},"description":"Contexte\nUn grand groupe média renforce ses équipes de développement au sein de sa Direction Produit et des Technologies. Dans ce cadre, il fait appel à un prestataire disposant d'une expertise confirmée en développement backend Senior Javascript pour intervenir sur des applications à forte audience dans un environnement Agile.\n\nMissions\n- Participer à l'analyse et à la compréhension des besoins métier\n- Concevoir et développer de nouvelles fonctionnalités\n- Assurer la maintenance corrective et évolutive des applications existantes\n- Réaliser la refactorisation et l'amélioration continue du code existant (qualité, lisibilité, performance)\n- Réaliser les tests nécessaires pour garantir la qualité des développements\n- Participer aux revues de code et contribuer à l'amélioration des bonnes pratiques de développement\n- Rédiger la documentation technique lorsque nécessaire\n- Contribuer à la transmission des connaissances au sein de l'équipe\n- Participer aux cérémonies Agile (sprint planning, daily, rétrospectives)\n\nEnvironnement de travail\nDémarrage prévisionnel le 02/11/2026. Présence sur site requise à hauteur d'au moins 50 % du temps, soit 2 à 3 jours par semaine, en fonction des besoins de la prestation. Des astreintes et interventions exceptionnelles le soir et le week-end ainsi que les jours fériés sont à prévoir. Localisation : Paris 15ème.\n\nPour candidater, merci de nous faire parvenir les éléments ou indications suivants :\n- CV ou profil à jour au format docx de préférence, afin de nous permettre de constituer le dossier technique\n- Date de disponibilité et sous quelles conditions (préavis à donner ? déjà disponible ? fin de mission déjà prévue ? autre cas ?)\n- Tarif journalier demandé pour la mission\n- Préciser si vous pouvez intervenir sur site client comme demandé ci-dessus\n- Votre experience dans des environnements editoriaux ou media, sur des applications a forte audience, ainsi qu'avec des outils tels qu'Elasticsearch ou des solutions CDN (Akamai, Cloudflare, CloudFront).\nProfil recherché\n- Plus de 5 années d'expérience significative en développement backend\n- Maîtrise de NodeJS 24, NestJS et Express (version 4 et supérieure)\n- Expérience RabbitMQ : gestion de messages asynchrones et traitements en file d'attente\n- Maîtrise des architectures applicatives et principes SOLID, design patterns (Builder, Factory...)\n- Optimisation du cache et Reverse Proxy Varnish : gestion des TTL, stratégies d'invalidation (Purge/Ban)\n- Expérience Redis, Memcached ou équivalent\n- Connaissance de la clean architecture ou architecture hexagonale, appétence microservices\n- Pratique courante des tests unitaires et d'intégration (Jest, vitest) et du TDD en déploiement continu\n- Maîtrise de Docker et de Git\n- Expérience appréciée : Kubernetes, Elasticsearch, CDN (Akamai, Cloudflare, CloudFront), environnements éditoriaux ou médias à forte audience","description_format":"text","description_chars":2883,"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":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Enterprise Apps Implementation Partners"],"lifecycle":[{"event":"open","at":"2026-10-15T06:14:45Z"}],"visa":[],"liveness":{"score":88,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.88,"p_room":1,"age_days":9,"expected_fill_days":36,"reasons":["seen:9","velocity","win:early"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":172500,"is_top_pay":false},"html_url":"https://alion.io/job/axande-developpeur-backend-node-js-senior","json_url":"https://alion.io/job/axande-developpeur-backend-node-js-senior.json","meta":{"generated_at":"2026-10-24T07:41:18Z","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":"search","counted_by":"address","units_charged":0,"used_today":0,"day_limit":null,"remaining_today":null,"minute_limit":null,"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":3908499},"rest":"https://alion.io/mcp/rest/get_company?id=3908499"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faxande-developpeur-backend-node-js-senior"},{"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%2Faxande-developpeur-backend-node-js-senior"},{"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%2Faxande-developpeur-backend-node-js-senior"},{"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/axande-developpeur-backend-node-js-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faxande-developpeur-backend-node-js-senior"}]}