Nyamjav Jambaljav

Took full ownership of a Document Service, redesigning and rebuilding it from the ground up to meet requirements for 30+ clients, handling 10+ document types and 2000+ documents per day. Served as a core member of the company’s AI-first initiative, contributing to the Underwriting Service with focus on product design, architecture, and lifecycle development using DDD. Adopted AI-assisted and agentic development practices to improve security, maintainability, development efficiency, and code quality. Maintained and supported 20+ software services across 100+ repositories, including development, troubleshooting, maintenance, and ongoing system improvements.

Maintained and improved a legacy codebase deployed on AWS Elastic Beanstalk with 10+ years of history. Refactored and optimized a core report query, improving performance by 100x (from ~2 minutes to ~400 ms) to make panel administrators’ work faster. Led an initiative to apply design patterns to increase maintainability and readability. Set up a dockerized development environment to reduce cloud cost and supported a CI/CD pipeline for testing and static analysis.

Built a Flight Data Processing System from scratch: cleansing and formatting data from 8 different vendors (including Pinkfroot and the Federal Aviation Administration) and calculating each flight’s arrival and departure information. Designed a scalable data pipeline to process 60+ GB of data per day.