# Senior Software Engineer, AI

**Company:** [Navan](https://hotfix.jobs/companies/navan)
**Location:** New York, NY
**Role:** ML Engineering
**Salary:** $113k – $252k/yr
**Experience:** 6+ years
**Skills:** TypeScript, Node.js, Java, Python, LLMs, RAG, Agentic Workflows, Tool Calling, Distributed Systems, Observability
**Posted:** 2026-06-24

> Build agentic AI workflows and LLM-powered loyalty experiences on the Loyalty Wallet team. Requires 6+ years building production AI/LLM systems with strong backend fundamentals.

## Job Description

## What You’ll Do

- Build AI-Powered Product Experiences: Design and develop agentic workflows that help users view, understand, connect, and manage their loyalty programs through chat, wallet surfaces, and personalized recommendations.
- Develop Production AI Systems: Build reliable LLM-powered flows with structured outputs, tool calling, guardrails, human confirmation, evals, and monitoring for real customer-facing use cases.
- Own Agent and Workflow Quality: Create and maintain scenario tests, adversarial evals, prompt/tool contracts, and quality metrics that ensure agents behave safely around loyalty data, PII, financial guidance, and unsupported requests.
- Integrate Across the Stack: Work across frontend, backend, and AI orchestration layers, including wallet APIs, streaming chat experiences, UI components, data services, and ML/LLM workflows.
- Turn Data Into Personalization: Help transform loyalty balances, tier progress, membership data, connected email signals, and trip context into useful recommendations and next-best actions.
- Collaborate Cross-Functionally: Partner closely with product, design, backend, data, and platform teams to ship polished, measurable customer experiences.
- Raise the Engineering Bar: Champion maintainable code, thoughtful abstractions, strong tests, observability, documentation, and operational ownership.

## What We’re Looking For

- 6+ years of software engineering experience building production systems, with meaningful hands-on experience in AI, LLM, agent, workflow, or ML-powered products.
- Experience building agentic systems, tool-calling workflows, RAG-like systems, structured LLM outputs, eval pipelines, or AI assistants in production.
- Strong engineering fundamentals in TypeScript/Node.js, Java, Python, or similar backend/product engineering stacks.
- Experience with distributed systems, APIs, async workflows, caching, observability, and production debugging.
- Comfort working with AI safety patterns such as guardrails, HITL confirmation, deterministic tool boundaries, hallucination prevention, and PII-sensitive workflows.
- Product mindset and ability to translate ambiguous user needs into robust, user-facing experiences.
- Strong ownership mentality, with the ability to ship, measure, iterate, and support features after release.
- Experience with travel, loyalty programs, personalization, fintech, or consumer data products is a strong plus.
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field, or equivalent hands-on experience.

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**Apply:** https://hotfix.jobs/jobs/f5373a65-e352-47d7-87cb-80e609ab7454
**Canonical:** https://hotfix.jobs/jobs/f5373a65-e352-47d7-87cb-80e609ab7454