{"id":2009884,"url":"https://alion.io/job/navan-senior-ai-software-engineer","title":"Senior AI Software Engineer","company":{"id":7473,"name":"Navan","domain":"navan.com","url":"https://alion.io/company/navan","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"B","score":80,"open_postings":5,"ghost_share":0,"stale_share":0.8,"repost_share":0,"time_to_fill_p50_days":39,"computed_at":"2026-10-16T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":113400,"max":252000,"currency":"USD","period":"year","gross":null,"usd_annual":252000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Hallucination","optional":false},{"name":"Human-in-the-Loop","optional":false},{"name":"Java","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false},{"name":"Tool Use","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-09T00:16:41Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-16T20:48:14Z","board_verified":true,"closed_at":null,"days_open":37,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":37},"description":"Join Navan, a company dedicated to revolutionizing travel experiences through AI and personalization. As a Senior AI Software Engineer on the Loyalty Wallet team, you will design and develop AI-powered product experiences, build reliable production AI systems, and collaborate cross-functionally to deliver polished customer experiences. You will also have the opportunity to raise the engineering bar by championing maintainable code, strong tests, and operational ownership.\nMissions\nConcevoir et développer des flux de travail agentiques qui aident les utilisateurs à visualiser, comprendre, connecter et gérer leurs programmes de fidélité.\nConstruire des systèmes d'IA fiables avec des sorties structurées, des appels d'outils, des garde-fous, des confirmations humaines, des évaluations et une surveillance.\nCréer et maintenir des tests de scénario, des évaluations adversariales, des contrats de prompt/outil et des métriques de qualité qui garantissent que les agents se comportent de manière sécurisée.\nProfil recherché\n - Experience with travel, loyalty programs, personalization, fintech, or consumer data products is a strong plus- Experience with distributed systems, APIs, async workflows, caching, observability, and production debugging\n- Comfort working with AI safety patterns such as guardrails, HITL confirmation, deterministic tool boundaries, hallucination prevention, and PII-sensitive workflows\n- Strong ownership mentality, with the ability to ship, measure, iterate, and support features after release\n- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field, or equivalent hands-on experience\n- 6+ years of software engineering experience building production systems, with meaningful hands-on experience in AI, LLM, agent, workflow, or ML-powered products\n- Experience building agentic systems, tool-calling workflows, RAG-like systems, structured LLM outputs, eval pipelines, or AI assistants in production\n- Product mindset and ability to translate ambiguous user needs into robust, user-facing experiences\n- Strong engineering fundamentals in TypeScript/Node.js, Java, Python, or similar backend/product engineering 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