Yu Lin Cheng

July 2022 - November 2024
Taipei, Taiwan

Senior Frontend Developer

Hashgreen Labs

Worked at a startup from the ground up, developing multiple frontend projects and selecting appropriate technologies to drive successful implementations.

• OpenCGT

  • Led the frontend development for a B2B product built with Next.js, collaborating closely with designers and backend engineers to deliver a seamless user experience.
  • Designed and implemented social logins using Auth.js and Auth0, ensuring secure and efficient user authentication.
  • Implemented role-based authorizations using Casbin.js, providing fine-grained control over user access and permissions.
  • Set up an automated Continuous Integration/Continuous Deployment pipeline utilizing NX, streamlining the product release process and minimizing manual effort.

• HashgreenSwap

  • Led the frontend development effort for the first Automated Market Maker (AMM) on Chia blockchain, collaborating with designers and backend engineers to deliver a seamless user experience.
  • Successfully introduced Nx, a monorepo tool, to streamline and maintain various aspects of our product, including unit tests, end-to-end tests, loading tests, and UI libraries.

• Hoogii Wallet

  • As part of a collaborative effort with another frontend engineer, was responsible for designing and implementing the core functionality for app-to-extension interactions, including exposing APIs to browsers and ensuring seamless communication between our web3 cryptocurrency wallet extension and external applications.

• Hashgreen Dex

  • Led the frontend development team in building the industry-first decentralized exchange (DEX) on the Chia blockchain.
  • Collaborated closely with designers and backend engineers to design, develop, and launch a seamless user experience that enabled secure and efficient trading of digital assets.
  • Utilized cutting-edge technologies like Next.js and Styled Components in conjunction with TailwindCSS.
  • Focusing on SEO and performance optimization, I successfully optimized the display of 500+ unique cryptocurrency assets, ensuring a seamless user experience for traders.