# Director, Engineering

**Company:** [Navan](https://hotfix.jobs/companies/navan)
**Location:** Tel Aviv, Israel
**Role:** Engineering Management
**Experience:** 12+ years
**Skills:** LangChain, Nest.Js, Vector Databases, RAG, Open-Source Llms, Model Fine-Tuning, Conversational AI, Chatbot Architecture, Backend Engineering, Mobile, Data Engineering, Ai Inference Optimization
**Posted:** 2026-09-01

> Leads end-to-end engineering for a global, user-facing conversational AI travel product, including architecture, delivery, metrics, and organizational growth. Requires 12+ years of software engineering experience, senior leadership managing managers, and deep LLM and chatbot expertise.

## Job Description

## Responsibilities
- Lead engineering from initial product scope through global scale for an AI-powered corporate travel assistant and concierge.
- Own product areas and technical domains end to end, including business metrics such as booking volume, conversion, latency, and AI inference costs.
- Guide the architecture and implementation of AI systems using LangChain, Nest.js, vector databases, retrieval-augmented generation (RAG), open-source large language models, and model fine-tuning.
- Lead development of user-facing conversational AI products and scalable chatbot architectures.
- Collaborate with Product, Marketing, Operations, and senior executives to align technical roadmaps with business objectives.
- Recruit, mentor, and retain engineering and AI talent while building a high-performing, psychologically safe culture.

## Requirements
- 12+ years of software engineering experience.
- 4+ years in senior leadership roles managing managers, such as Engineering Managers or Directors.
- Proven experience developing user-facing AI products, conversational LLM applications, and scalable chatbot architectures.
- End-to-end perspective across backend, AI, mobile, data, system architecture, and business funnels.
- Track record of delivering high-impact products in ambiguous, fast-paced environments.
- Strong executive presence and ability to communicate complex technical concepts to non-technical stakeholders.
- High emotional intelligence and strong cross-functional collaboration skills.
- Willingness to work at least 3 days per week from the Tel Aviv office, increasing to 4–5 days as business needs require.

## Preferred Skills
- Experience scaling engineering organizations and developing Engineering Managers.
- Experience with open-source LLMs, model fine-tuning, and AI inference cost optimization.

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