I build custom Chrome extensions on Manifest V3: on-page automation, data extraction, UI tweaks, CRM/API integration, and productivity tools. Clean, typed code, help with Web Store publishing, and the full source. Includes 14 days of support.
What you get:
• Manifest V3 extension built around your use case
• On-page automation / data extraction / UI changes
• CRM or API integration and authentication as needed
• Help with Chrome Web Store publishing + 14 days support
Stack: TypeScript / Node.js. 7+ years of commercial fullstack experience. I also run an on-chain monitoring product — see it live: https://stableping.net
I work as a registered sole proprietor — contracts and invoices available. Crypto payments (USDT/USDC) welcome.