{"id":2630929,"url":"https://alion.io/job/edflex-developpeurse-backend-senior-phpsymfony-api-integrations","title":"Développeur·se Backend senior – PHP/Symfony – API & Integrations","company":{"id":172620,"name":"Edflex","domain":"edflex.com","url":"https://alion.io/company/edflex","size_band":"51-200","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","Nantes, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":45000,"max":55000,"currency":"EUR","period":"year","gross":null,"usd_annual":61649},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Claude Code","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Datadog","optional":false},{"name":"Docker","optional":false},{"name":"Kanban","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"MySQL","optional":false},{"name":"PHP","optional":false},{"name":"PHPUnit","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Postman","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Scrum","optional":false},{"name":"Symfony","optional":false}],"status":"live","first_seen_at":"2026-10-15T12:41:23Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-21T18:27:40Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Rejoins Edflex, une start-up engagée dans la transformation des entreprises par le développement des compétences de leurs collaborateurs. En tant que développeur backend senior, tu seras au cœur de notre mission, en travaillant sur des intégrations clés et en faisant évoluer notre produit au quotidien.\nMissions\nDéployer de nouvelles intégrations LMS, LXP et SIRH et intégrer de nouveaux partenaires, en s’appuyant sur les standards xAPI et LTI 1.3 ou sur des API.\nÊtre référent technique du périmètre Connect, porter les choix d’architecture, arbitrer dette vs. delivery et faire évoluer les pratiques d’ingénierie.\nGarantir la fiabilité en production, performance, sécurité, supervision (métriques, logs, alerting) et traitement proactif des vulnérabilités.\nProfil recherché\nNous recherchons une personne capable de s’intégrer rapidement, de collaborer efficacement et d’avoir de l’impact. Un attrait pour l’**EdTech** est un vrai plus.**Stack technique :**\n* Base de code **PHP 8.5+**\n* API **Symfony 7.4** (excellente maîtrise de **Symfony Messenger**)\n* Conception et développement d’API, lecture d’API Doc, utilisation de **Postman**\n* Messages asynchrones avec **RabbitMQ**\n* Bases de données sous **MySQL** et **PostgreSQL**\n* Infrastructure hébergée sur **AWS**\n* Observabilité : **Datadog** (logs/métriques) et **Sentry** (exceptions)\n* Connaissance des principes **DDD** et **Clean Architecture** appréciée : **Command Bus**, **CQS**, **Adapter**\nLa qualité fait partie intégrante des développements :\n* Pratique de la TDD avec PhpUnit\n* Pratique de la BDD avec **Behat**\n* **Revues de code systématiques** sur chaque Pull Request\nTu es fait pour ce poste et rejoindre notre team si…\n* Tu as une **expérience senior en backend PHP/Symfony**, idéalement sur des sujets d’API ou d’intégration.\n* Tu aimes résoudre des problèmes complexes.\n* Tu sais **challenger une architecture** et argumenter tes choix avec pédagogie.\n* Tu sais **accompagner d’autres développeurs** et élever le niveau de l’équipe.\n* Tu utilises **au quotidien un assistant de développement IA** (Claude Code, Codex…) avec un **harnais** structuré (règles projet, contexte, skills, MCP).\n* Tu as des connaissances **Docker** et **AWS** et tu sais les appliquer au quotidien.\n* Tu parles un **anglais courant (B2 minimum)** : l’anglais fait partie de notre communication quotidienne.\n* Tu maîtrises les méthodes **Agile** (Scrum, Kanban) et la collaboration produit/tech.\n* Tu as un **fort esprit d’équipe** et souhaites t’investir dans une **start-up à mission**.\n* Tu aimes **partager** (veille technique, talks, 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