Sr. Software Engineer
Navan
Software Engineering
Tel Aviv-Yafo, Israel
Posted on Aug 20, 2025
We are seeking a talented Backend Engineer to help bring advanced AI/ML features to our travel and expense management platform. This position is perfect for a strong backend developer who’s excited to work with the latest AI/ML technologies in a fast-moving, cross-functional environment.
About the Position
As a Backend Engineer, you’ll design and build high-performance backend systems that enable large language models (LLMs), retrieval-augmented generation (RAG), and conversational assistants in our consumer products. You will collaborate closely with experts in AI/LLM and product teams to translate concepts into robust, scalable solutions for our end users.
What You’ll Do:
- Build and maintain scalable backend APIs and microservices supporting AI/LLM-powered features
- Connect backend systems to AI/LLM services and platforms
- Work with AI/LLM specialists to deliver production-ready, machine learning-driven functionality
- Ensure all systems are reliable, high-performing, and secure
- Partner with product and engineering teams to define requirements and deliver innovative features
What We’re Looking For:
- 5+ years of backend development experience
- Proficiency in at least one backend programming language (such as Java)
- Proven ability to develop and support production-grade APIs and distributed services
- Strong understanding of data structures, algorithms, and distributed computing
- Experience working with SQL and NoSQL database systems
- History of shipping scalable, consumer-facing products
- Hands-on experience with AI/ML platforms and libraries (OpenAI, Hugging Face, etc.)
- Exposure to LLMs, RAG, or conversation-based AI/ML applications
- Familiarity with vector databases and embedding-based solutions
- Solid background with public cloud services (AWS, GCP, Azure)
- Understanding of AI/ML concepts and deployment patterns