Sep 2018 – Oct 2022 · 4 yrs 1 mo · London, United Kingdom

• Part of the Android Native UI frameworks team at Meta working on open source UI frameworks used in most android product development at Meta in facebook, instagram, workplace and facebook lite.
• Litho (https://fblitho.com/) which is declarative android UI framework to build efficient UI on Android.
• Yoga (https://yogalayout.com/) which is a flexbox layout engine built in C++. It is common layout engine used across Android and iOS via Litho, ComponentKit and ReactNative frameworks.

Jul 2014 – Aug 2018 · 4 yrs 1 mo

• Hike Messenger is a cross-platform instant messaging service for smartphones that uses the internet for communication. In addition to text messaging, users can send each other graphical stickers, emoticons, images, videos, audios, files, voice messages, contacts and user location. Hike Messenger also has microservices like Hike Wallet, Recharge, Hike Run (steps counter), Bill Split , Polls and many others. Hike had over 100 million users and they sent more than 40 billion messages per month.
• Core part of the team working on android app performance, ram and battery consumption and overall reliability of the app.
• Designed and executed Http Module from scratch which is a central framework for executing http requests built over Okhttp to abstract the http low level execution.
• Developed file transfer resume functionality in Http module.
• Investigated and solved connectivity issues in messaging by digging into messaging layer built using MQTT protocol.
• Designed App themes feature in the android app which allowed user to switch between different custom themes which changed the overall look and feel of the app.
• Designed and built a theme coordinator by introducing different profiles for icons, fonts and buttons which were defined based on the theme user has selected.
• Led team to migrate all the UI in android app to app themes central framework by working with developers, designers and testing team.
• Mentored people in the team for writing app opening and chat opening benchmark tests which run on every build of the app.
• Built internal hike react sdk with generic UI components and code shared across multiple react micro services used within hike.
• Implemented React native apps used in chat threads in Hike Messenger across android and iOS apps.

Jan 2014 – Jun 2014 · 5 mos

• Analyzed performance and memory issues using TraceView, Systrace, Hierarchy viewer, Memory Analysing tools in android app and came up with different ideas to improve the overall performance of the android app.
• Designed and implemented image handling framework which reduced the memory footprint of the android app by 50% by using correct image resolution and bitmap configs depending upon the use cases of the application.
• Implemented multiple optimisations which led to improved app launch and chat opening time by ~40%.
• Built a framework which added a caching layer over db access to improve the overall performance.