Navan
Live in productionUS · Palo Alto · Corporate Travel & Expense
Joined Navan's backend engineering team on a contract basis, working across their FastAPI and Node.js services. Fixed and hardened API routes and middleware powering business travel, hotel and flight booking at scale.
ENGAGEMENT
Contract · Backend Engineering
STACK
FastAPI · Node.js · PostgreSQL
STATUS
Live in production
LIVE URL
navan.com
Real screens, not mockups



What the system does
Backend on FastAPI & Node.js
Debugged and rebuilt API routes and middleware across their dual-stack backend, keeping booking and expense flows reliable in production.
PostgreSQL on AWS RDS
Owned schema changes, query tuning and reliability work on the production database layer behind live corporate bookings.
Google Maps & third-party APIs
Integrated the Google Maps API plus several external providers for payments, inventory and notifications into the backend.
Stack
- FastAPI
- Node.js
- PostgreSQL
- AWS RDS
- Google Maps API
Where it stands
- Role
- Contract backend engineer on Navan's engineering team
- Scope
- API routes, middleware, and database reliability across booking & expense flows
- Status
- Live in production, corporate travel at scale
Need a system like Navan?
Tell us what you are trying to ship. The engineer who built this one answers.