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Kaustubh Kumar

PROFILE

Kaustubh Kumar

Worked on the 100mslive/web-sdks repository, delivering features and fixes that improved video conferencing reliability, audio processing, and user experience. Addressed persistent device selection, enhanced recording layouts, and stabilized Krisp audio integration by managing AudioContext lifecycles and rolling back unstable dependencies. Implemented UI improvements such as always-visible mobile controls and animated video layouts using React and TypeScript, while refining error handling and state management. Enhanced API design by adding stop reasons for HLS streaming and ensured idempotent operations to prevent race conditions. Demonstrated proficiency in JavaScript, Web Audio API, and SDK development, focusing on cross-platform stability and maintainable code.

Overall Statistics

Feature vs Bugs

46%Features

Repository Contributions

19Total
Bugs
7
Commits
19
Features
6
Lines of code
632
Activity Months4

Your Network

4 people

Work History

May 2025

3 Commits • 1 Features

May 1, 2025

Concise monthly summary for 2025-05 focusing on key accomplishments in the 100mslive/web-sdks repo, highlighting feature delivery, bug fixes, and impact.

December 2024

2 Commits

Dec 1, 2024

December 2024 | 100mslive/web-sdks Key features delivered: - Krisp Audio Stability: Rollback and Playback Repair – stabilized Krisp audio integration by downgrading the @100MSLive/hms-noise-cancellation package to a stable version and improving AudioContext lifecycle to ensure reliable playback, including proper resumption and handling of autoplay-blocked scenarios. Major bugs fixed: - Fixed Krisp-related audio issues by reverting the Krisp update and implementing AudioContext reuse to prevent no-audio cases in Krisp scenarios. Overall impact and accomplishments: - Increased reliability of Krisp-enabled sessions in the web SDK, reducing user-facing audio failures and support inquiries. Strengthened audio UX during Krisp usage and improved session resilience across environments. Technologies/skills demonstrated: - Web Audio API: AudioContext management and lifecycle handling - Dependency management: rollback of problematic Krisp package - Debugging and hotfix delivery for cross-environment compatibility - Attention to autoplay behavior and media resumption in browser contexts Repository: 100mslive/web-sdks

November 2024

11 Commits • 4 Features

Nov 1, 2024

November 2024 performance highlight for 100mslive/web-sdks focusing on reliability, UX clarity, and cross-platform performance. Delivered key features to improve recording stability, video layout UX, and mobile controls, while fixing critical bugs that caused artifacts, crashes, or rendering issues. The work enhances streaming stability, reduces user confusion, and speeds up issue resolution, with demonstrated proficiency in HMSSDK internals, Framer Motion, iOS adjustments, and media constraint handling.

October 2024

3 Commits • 1 Features

Oct 1, 2024

October 2024: Delivered UX and reliability improvements in 100mslive/web-sdks. Implemented rememberDeviceSelection to persist user device preferences across skip preview sessions, reducing repetitive device selection and streamlining onboarding. Fixed 480p recording rendering issues by correcting tile dimension calculation and addressing gaps, ensuring consistent beam layouts across resolutions. These changes improve cross-device UX, reduce layout glitches in recordings, and enhance overall stability for preview and recording flows.

Activity

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Quality Metrics

Correctness86.2%
Maintainability85.8%
Architecture81.6%
Performance82.0%
AI Usage22.2%

Skills & Technologies

Programming Languages

JavaScriptTSXTypeScriptYAML

Technical Skills

API DesignAudio ProcessingDependency ManagementError HandlingFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack DevelopmentInternal ToolingJavaScriptMedia ConstraintsPlugin ManagementReactSDK DevelopmentState Management

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

100mslive/web-sdks

Oct 2024 May 2025
4 Months active

Languages Used

JavaScriptTypeScriptTSXYAML

Technical Skills

Front-end DevelopmentFrontend DevelopmentReactUI DevelopmentVideo ConferencingAudio Processing