Working on large-scale distributed systems for CI/CD and developer productivity, supporting 10M+ daily executions across hundreds of engineering teams.

• Built AI-driven systems (including LLM-based classification and an AI assistant) to automate failure analysis and improve debugging efficiency.

• Owned and scaled core backend services of the Autopilot platform, improving system reliability from 95% to 99% and reducing infrastructure costs by $500K annually.

• Optimized CI/CD performance, reducing PR pre-merge test P90 latency from 25 minutes to 18 minutes, accelerating developer iteration speed.

• Built observability and data pipelines (BigQuery, Looker, Grafana) and drove cross-team adoption of standardized reliability metrics.

Amazon Customer Service Tech

• Architected and led the "Foresight Solution Card" project, leading a squad of 5 SDEs to build a GraphQL-based self-service web app that reduced manual CS contact volume by 30% for return requests across millions of customers.

• Served as a Security Certifier, conducting rigorous security audits for 8+ mission-critical services for 5 orgs to ensure full compliance with global Amazon data protection and security standards.

• Customer Service Tech: Led development of self-service solutions for high-volume customer issues, reducing customer service contact volume by 30%.

• Security Certifier: Served as Security Certifier, auditing mission-critical services across multiple organizations

• Recommerce: Architected and scaled a liquidation platform supporting 1,000+ sellers and millions of units annually.

• Mobile Testing Efficiency: Improved large-scale mobile testing infrastructure supporting 500+ devices, increasing automation coverage and developer productivity.

Seller Experience

Build Webapp and service Haimai to improve the listing experience for Chinese 3rd party sellers (JavaScript, Spring, Hibernate, AWS etc)

Mobile Shopping team

• Developed push notification for android mobile shopping app client.

• Single Sign On across multiple amazon mobile apps(mShop, music, appStore etc)

Amazon Mobile Shopping app(Android)

• Design and implement the Single-Sign-On (SSO) feature for Amazon mobile shopping Android app.

• Develop push notification client and metrics collection component for mobile shopping app.

• Develop cart and checkout features in Kindle tablet device.