Yash Sahu

• Rebuilt Duplicate Files engine for 100K+ files: reduced execution from Lambda timeout (15+ min) to 3s compute / 30s end-to-end using
an O(n) algorithm — 30x+ performance improvement.
• Introduced Dark Mode: consolidated 150+ hardcoded colors into 20-token design system (shadcn BG/FG naming); added SVGR
eliminating duplicate icon assets; removed dead code reducing codebase by ~18%.
• Built DynamoDB field-level fetch utility replacing full-object reads with selective key fetching — significantly reducing read costs across
high-volume operations.
• Shipped Project Views V2: drag-and-drop column management; replaced hardcoded height values with a dynamic grid system across
80-90% of virtualized table usages, improving rendering performance and UI predictability.
• Built Move/Delete sync for Electron desktop app ensuring remote file operations reflect correctly to users — reduced customer-reported
bugs by 80%.
• Mentored 3 new engineering joiners through architecture deep-dive sessions.

• Built and launched a Shopify App (live on marketplace, $20/user/month) enabling Swipe Invoicing + GST Filing for 300+ businesses.
• Engineered Bulk APIs processing 50, 000+ DB entries per operation; built Pandas/Pandera pipelines with 99.9% accuracy across
100, 000+ records.

• Built POC for JSON-based Chrome browser automation with 85%+ accuracy using Playwright.js on AWS EC2; extended Chrome
extension with 5+ new functionalities.
• Configured Elasticsearch snapshot and DB backup solutions, significantly reducing infrastructure costs.
Stack

Remote
• Built product section covering 20+ career paths with a 5-member team; reduced page load time by 20% via responsive design
optimizations.
Stack: React.js, Redux, TypeScript, Material UI, HTML5, CSS