{"id":134457,"url":"https://alion.io/job/kpler-senior-full-stack-engineer-identity-authentication","title":"Senior Full-Stack Engineer – Identity & Authentication","company":{"id":4764,"name":"Kpler","domain":"kpler.com","url":"https://alion.io/company/kpler","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":80,"open_postings":5,"ghost_share":0,"stale_share":0.8,"repost_share":0,"time_to_fill_p50_days":57,"computed_at":"2026-10-17T05:46:00Z"}},"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"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":85000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":163},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Auth0","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-08-13T10:28:04Z","employer_posted_date":"2026-08-13","last_verified_at":"2026-10-17T11:53:15Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":65},"description":"Your future position\nAs a Senior Engineer in the auth team, you will design, build and deploy robust, secure and scalable auth & identity solutions that protect the Kpler platform and its users, support Kpler’s continual growth and ensure compliance across the organization.\nYour mission is to:\nDesign, build and deploy robust, secure and scalable auth & identity solutions\nMaintain existing auth systems\nAct as a technical authority in the auth & identity domain\nMentor and coach others in the team\nOwn the development and deployment of solutions from end to end\nEnsure the output of the team is delivered to a high standard and meets the engineering organisations’ quality goals\nYou will work closely with:\nKpler Enterprise clients\nThe Kpler Product organisation\nThe Kpler Engineering organisation\nThis could be a match if you are/have:\n7+ years of full-stack software engineering experience\n\nExperience with CIAM platforms, such as Auth0, Entra ID etc.\n\nStrong grasp of authentication and authorisation concepts and standards, such as OAuth2 and OIDC\n\nExperience with TypeScript\n\nExperience with other technologies including SQL, Containerisation (e.g. Docker), DevOps - 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