Memories Client Platform

• Delivered a new cross-platform backup system and deprecated the legacy system by driving the design, execution.

• Led Android customer reports reduction effort; shipped multiple A/B studies to address customer-facing issues.

• Shipped user-facing projects like Friendship Flashback notifications, Memories as Snaps feature contributing to growth in Memories engagement metrics.

• Led the Android-side harmful content scanning project, including technical design and production readiness.

• Conducted experiments to optimize media sorting and monthly data cap projects, significantly improving backup incomplete metric (e.g., -7% on 2D incomplete rate).

• Delivered $500K yearly in cost savings for Memories media storage by fixing an unused cache issue.

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.

Marketplace Integrity (Full Stack Engineer)

• Built Marketplace Message Audit Tooling (React & PHP)

• Built Integrity Action (Ban/Unban) Infra (PHP & C++ & Haskell)

• Built Report Flow in Facebook App (Android)

• Implemented frequent phase mining algorithm using Apache Spark(pyspark),

• Visualized the trending words from twitter dataset.

• Built Framework to develop medical-related data visualization using D3 and angular Ruby On Rails