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2025.04 –

111percent· GombleFrontend Engineer

Built the web and app platform for Gomble, the Web3 division of Korea's top mobile game studio, 111percent. Spent a month remote before joining, handing over a token-airdrop project tied to exchange listings (Binance Alpha, Coinone, Bitget), then took over as the sole frontend engineer handling business requirements.

Impact

Projects

TGE page (token airdrop)

2025.03 – 2025.04

Problem · A claim page timed to an exchange listing draws a traffic spike that a single RPC node can't absorb without breaking wallet connections and transaction delivery, and the schedule needed to be legible to non-technical users.

  • Distributed requests across 10 public node addresses.
  • Applied UX writing in Wagmi that anticipates chain/wallet switches, keeping wallet connection and transaction delivery stable.
  • Built a readable time-display UI for the Linear Cliff Vesting schedule.

iGaming project

2025.04 – 2025.06
  • Built a casual clicker-style game in React.js.
  • Designed and built a blockchain game combining a casual game with outcome betting, as a Solidity smart contract.
  • Wired the website to the contract; designed a staking-plus-Web3-game reward structure contract.

Reward app

2025.06 – 2025.07

Problem · A native app's store review and update cadence isn't fast enough on its own; a web channel that iterates without review was needed alongside it.

  • Built an ad-based reward platform with Expo (React Native) and AdMob.
  • Built a matching PWA with React and Vite-pwa to iterate quickly without store review.

Other projects

  • Built an outsourced penguin ice-breaking web game.
  • Built an NFT staking/unstaking website.
  • Frontend for an NFT verification and staking community that also takes NFT game commissions.
  • Built the $GM token claim site for a token listed on Binance Alpha, Coinone, and Bitget.

Stack

Frontend
React, TypeScript, Vite, Bun, Vite-pwa, React Native, Expo
Web3
Viem, Ethers, Wagmi, WalletConnect, Hardhat, Solidity
Infra
AWS S3 + Route53, Vercel