Developed websites and web applications for McDonald's (China) using React with JavaScript and TypeScript.

Reduced Android application’s crash rate from 2.6% to 0.5% by collaborating with quality engineers, user research, product management, design, and support teams to ensure quality in all phases of app development.

Worked closely with core technology teams and other platform teams to balance cross-platform consistency with Android optimization.

Mentored 2 early-career software engineers and 3 interns.

Launched the user payment protection function in India, protecting the payment security of 40 million Indian Users.

Defined and implemented robust app architectures and complex user interfaces.

Optimized data structure of search items, saving 40% of network traffic.

Adopted principles of continuous integration of software and followed currently established industry standards, increasing release rate, team transparency and accountability.