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
Top Skills
What the Team is Saying
What We Do
Navan is the leading all-in-one business travel and expense management solution 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.
Why Work With Us
At Navan, we’re never satisfied with the status quo, and we know breakthrough ideas come from diverse perspectives. We are committed to cultivating a workplace that reflects the diversity of the customers we serve while fostering leadership and innovation.
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Navan Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
In-person connections is the foundation of Navan, the connections forged through face-to-face interactions improve company culture and what we can achieve together. We operate on a hybrid working model, which we define as four days a week in-office.
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