Navan

Sr. Software Engineer, AI

Navan
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4 hours ago

Responsibilities

  • Design and develop agentic workflows that help users view, understand, connect, and manage loyalty programs.
  • Build reliable production LLM-powered flows with structured outputs, tool calling, guardrails, human confirmation, evaluations, and monitoring.
  • Create scenario tests, adversarial evaluations, prompt and tool contracts, and quality metrics for agent behavior.
  • Work across frontend, backend, AI orchestration, wallet APIs, streaming chat experiences, UI components, data services, and ML/LLM workflows.
  • Transform loyalty balances, tier progress, membership data, connected email signals, and trip context into personalized recommendations and next-best actions.
  • Collaborate with product, design, backend, data, and platform teams to deliver measurable customer experiences.
  • Maintain engineering quality through testing, observability, documentation, operational ownership, and maintainable abstractions.

Requirements

  • 6+ years of software engineering experience building production systems.
  • Meaningful hands-on experience with AI, LLM, agent, workflow, or ML-powered products.
  • Experience building production agentic systems, tool-calling workflows, RAG-like systems, structured LLM outputs, evaluation pipelines, or AI assistants.
  • Strong engineering fundamentals in TypeScript/Node.js, Java, Python, or similar backend and product engineering stacks.
  • Experience with distributed systems, APIs, asynchronous workflows, caching, observability, and production debugging.
  • Familiarity with guardrails, human-in-the-loop confirmation, deterministic tool boundaries, hallucination prevention, and PII-sensitive workflows.
  • Ability to translate ambiguous user needs into robust, user-facing experiences and support features after release.
  • Bachelor’s or master’s degree in Computer Science, Engineering, or a related field, or equivalent hands-on experience.
  • Experience with travel, loyalty programs, personalization, fintech, or consumer data products is preferred.
Navan

About Navan

1,001-5,000 employees

Navan is the global AI-powered business travel and expense platform that makes travel easy for frequent travelers. From finding flights and hotels, to automating expense reconciliation, with 24/7 support along the way, Navan delivers an intuitive experience travelers love and finance teams rely on. See how Navan customers benefit and learn more at navan.com.

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