Senior Software Engineer - Blockchain

We are seeking an experienced Senior Software Engineer - Blockchain to architect, build, and scale blockchain solutions across our product ecosystem.
 
The ideal candidate will have strong experience in both frontend and backend development—including UI/UX design, API integrations, and database management, with particular emphasis on MongoDB. Responsibilities include developing core smart contracts on multiple chains, writing and deploying LMNG token contracts, and creating puzzles and challenges to engage developers. You will also develop a React web page based on provided designs.
 
Requirements
Expertise with reward tokens, token security, ERC20, ERC721, and ERC1155 standards; gas optimization
3+ years of smart contract development experience
Passion for coding puzzles and challenges
Experience with third-party API integrations
Proficiency with React, TypeScript, and TailwindCSS
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