Front End Engineer

Catalyst was an open-source, permissionless cross-chain AMM and liquidity protocol for modular blockchains; its technology was acquired by LI.FI and integrated into LI.FI Intents.

Distributed

Funding history

About Catalyst

Catalyst connected modular blockchains to shared liquidity and enabled cross-chain asset swaps. Its smart-contract repository describes volatile and stable-asset pricing through a Unit of Liquidity AMM design. LI.FI later acquired Catalyst and integrated the technology into its LI.FI Intents product.

View jobs by Catalyst

Skills

About the Role

You will implement and maintain responsive, high-performance user interfaces, translate designs into production quality code, and ensure optimal UI/UX performance. You will collaborate with backend engineers to integrate blockchain functionality, write and run tests, troubleshoot cross-browser issues, and keep the frontend up to date with evolving web and blockchain technologies.

Requirements

  • Proven work experience as a Front End developer
  • Strong experience with TypeScript and modern tooling
  • Experience with ethers.js, web3.js or CosmJS
  • Proficient understanding of HTML5 and CSS3
  • Familiarity with Jest or Mocha testing frameworks
  • Experience with Git version control
  • Strong understanding of blockchain technology and smart contracts
  • Excellent problem-solving and communication skills
  • Ability to work North America and Europe timezones

Responsibilities

  • Implement and maintain user interfaces
  • Develop key frontend features and optimize performance
  • Translate design mockups into production quality code
  • Collaborate with backend developers to integrate blockchain APIs
  • Write and maintain automated tests for TypeScript code
  • Ensure cross-browser compatibility and fix related issues
  • Maintain and improve website speed and scalability
  • Keep up to date with front-end and blockchain technologies
Front End Engineer at Catalyst | JobStash