As one of the founding members of the Alexa Smart Home Guard team, designed, implemented, and refactored crucial features for Alexa Guard. Led the whole life cycle of the product including building customer-friendly CX on the Alexa app (React and TypeScript) and scalable backend services rooted in AWS. Actively engaged in hiring, and coaching new team members, and managed 4 team members for half a year.

In charge of the system of auto insurance products in Didi.

Led the system re-architecture of the auto insurance system, broke the monolith into four Microservices, and implemented service registry, and service discovery with system throughput increased by 20%.

Implemented common libraries such as Cache, HttpClient, ThreadPool, TaskGroup, Metrics, Controller Aspect for insurance system by leveraging coffine cache, redis client, threadlocal delivery, the concurrent package of google, OkHttp wrapped with log module, AOP, which helped improve coding efficiency and performance.

Responsible for the development and maintenance of advertising management systems

and account management systems.

Implemented numerous product requirements with a typical web system based on the Spring framework, Mybatis. Utilized Design Patterns, Distributed Lock, Working Flow service, SOA Service Management, Distributed Lock, Distributed Shared Session, Message Queue, Permission Center, Database Sharding, and Read/Write Splitting to fulfill business needs along with system scalability and availability improved.