Feb 2024 – Oct 2024 · 8 mos · United States · Remote

• Significantly improved layout performance for core features through the use of slivers, custom paint and custom render objects.
• Developed reusable UI kit components, including text fields, icon buttons with various styles, a popup builder and custom animations.
• Implemented a mock interview feature for Flutter Web, including audio and video recording with detailed analysis capabilities.
• Reduced technical debt by eliminating over 40,000 lines of unused code and migrating the entire project to a new theme solution, optimizing complex and inefficient code

May 2022 – Mar 2023 · 10 mos · Ukraine · Remote

• Migrated the 100,000 line Flutter project to null-safety, updated dependencies and cleaned up the codebase. Improved developer experience, compilation time and number of runtime exceptions.
• Refactored the Bluetooth connection logic with an IoT device, greatly enhancing the messaging system's architecture and
• optimizing protocol performance.
• Integrated C++ library for real-time P2P calls using FFI and a C wrapper around it.

Nov 2021 – Jun 2023 · 1 yr 7 mos · Armenia · Remote

• Optimized persistence logic and switched from get_storage to SQLite to store data efficiently.
• Developed video and audio calling features by creating native plugins for iOS and Android.
• Designed call views and implemented the logic to initiate calls from outside the application.
• Implemented an extensive range of UI Kit widgets, including various text fields, buttons, and typography elements.
• Reviewed pull requests, wrote technical documentation, helped set up technical debt management practices. Assisted in onboarding new team members by pairing with them in coding sessions and providing hands-on guidance

Oct 2020 – Feb 2021 · 4 mos · Remote

• Added paid subscriptions using in-app payments and added premium features such as background audio, queuing and shuffling for audio playback.
• Implemented face recognition during WebRTC calls using Firebase's ML package. Reduced the application size from 200 MB to 50 MB by excluding unused packages on Android.
• Added animations using Lottie, transitions between pages and hero animations. Much improved UI.