Messaging Performance (2022- Current E5)
I worked on the Messenger App Startup Performance (ColdStart/Warm/Hot start). Also, I led a small group of engineers to build top-line startup metrics to unblock company-wide product launches.
• Develop a Cross-Platform Instrumentation library for the startup Metric for Messenger Android App
• Identify the regression and provide guidance to improve the startup Experience
Messaging Notification Platform (2020-2022 E5)
I am one of the crucial contributors for two company-wide priority projects on the Notification team (Cross-App Communication & E2E Encryption Messaging)
Some of the achievements:
• Drove and developed E2E encrypted notification rendering on Instagram Android
• Drove the development of Cross-platform(IOS/Android) Notification SDK (JNI, C++)
• Strong domain Knowledge of Push Notification Client Infra (Token Registration, Notification Rendering, Notification Style (Messaging Style), Bubble)
• Developed Messenger Instagram Cross-App Communication upgrade flow (Android, Millions of Users engagement daily and drive high user conversion rate)
Ads Data Service Team (2019-2020 E4)
I worked in the Ads foundation team to improve the ad-serving to our project (Ads Manager)
• Developed a Smart Routing System for Ads Data Accessing Layer (ADAL) C++ Service QPS 90k
• Developed an automatic detection/Kill Switch System protecting the Ads Backend system from overflowing traffic
• Designed and developed a lightweight Cache Library at indexing service that reduces millions of duplicate transactions to improve the service read efficiency
Messenger Relevance Team (2018-2019 E3)
I worked on building maintaining and deploying the top-ranking service for the Messenger app
Built Messenger Ranking Leaf Service (C++ Service QPS200k)
• Created Messenger Ranking Real-Time Monitoring System (C++ Alert, Monitor)
• Built Messenger Ranking Debugging Tooling (ReactJs)
• PRE work to optimize binary performance using OPT built.