Jun 2022 – Present · 3 yrs 10 mos · Noida, Uttar Pradesh, India · Hybrid

• 1. Copilot (Excel, Word, PowerPoint)
• Worked on core frontend experiences for Microsoft Copilot, contributing to features used by 30M+ monthly active users across Office apps. Focused on performance, accessibility, and discoverability of AI-powered tools.
• Integrated App Chat Copilot features (Zero Query Messages, Suggestion Pills, Intent Detection), improving response quality and first-use experience.
• Reduced Copilot pane load time by ~74% (5s → 1.3s) by optimizing backend APIs, leveraging session storage, and dynamic JS splitting.
• Enabled @mentions in Declarative Agents, reducing user steps from 4 → 0 and improving agent invocation UX.
• Supported multi-action execution in Add-ins, enabling complex workflows like Vibe Writing in a single user request.
• Ran A/B experiments that boosted Declarative Agent usage from 3% to 14% through teaching callouts and UX enhancements.
• Improved markdown rendering for Code Interpreter, enabling conditional display of images and links.
• Implemented localization for Tier 1 & 2 languages, expanding global accessibility.
• Built WCAG-compliant features (narration, keyboard navigation, color contrast) for an inclusive user experience.
• Monitored user feedback via One Customer Voice (OCV) portal to continuously iterate on product reliability.
• 2. Microsoft Whiteboard
• Enhanced real-time collaboration and drawing tools within Microsoft Whiteboard with a focus on UI customization and performance.
• Developed a new color palette and effect pens using Fluent UI to improve drawing and user expression tools.
• Contributed to the Fluent UI open-source library, upstreaming enhancements to the shared color palette component.
• Optimized real-time collaboration performance by removing unnecessary remote cursor calls, improving responsiveness on large whiteboards.

May 2021 – Jul 2021 · 2 mos