jinbae

Bitcoin prediction game built on Solana using SPL tokens. Wrote Rust-based smart contracts (SVM) and TypeScript SDK. Created Vue.js frontend with real-time gameplay and wallet integration. Completed full internal QA testing and Solana devnet deployment.

Comprehensive SPA platform for authors and readers of web novels. Implemented novel editor supporting styled text, image uploads, and character-based dialogue handling. Designed author tools with intuitive UX for serialized publishing. Built RESTful Laravel API backend and Vue.js frontend. Hosted thousands of published stories post-launch.

Solidity-based decentralized exchange and staking platform. Developed and deployed AMM DEX and staking contracts on EVM chains. Applied best practices in contract security, modular upgradeability, and gas optimization. Integrated Ether.js frontend for seamless on-chain interactions. Successfully processed thousands of on-chain transactions (Swap, LP, Staking) without reported exploits.

End-to-end development of NFT minting sites across multiple chains. Built NFTs for Ethereum, Solana, BSC, and Klaytn (ERC-721, Metaplex). Developed frontends with Vue.js and React, integrating Web3.js for wallet/mint interactions. Deployed 10K NFT collections for 20K users - Most collections sold out and traded on OpenSea and Magic Eden.

Product customization platform connecting manufacturers and buyers. Built interactive design editor with 3D previews of custom goods. Enabled image, font, and layout control for real-time simulation. Developed backend (Laravel), frontend (Vue.js), infra (NGINX, CI/CD, Cloud infrastructure), and custom rendering engine in C# (for 3D preview). Delivered seamless UX bridging frontend UI and backend processing for print-ready outputs.

Launched and scaled a user-generated webtoon platform from scratch. Developed entire backend/frontend architecture (PHP, jQuery, MySQL, Redis). Handled 5,000 TPS using Redis-based caching for scalable traffic flow. Reached 700K monthly active users with organic creator growth. Managed all aspects from infra to feature rollouts and community ops.