Experience

LikeCoin Foundation Limited

• Blockchain Developer

  • Jan 2018 - Present

  ## LikeCoin chain - Main developer and maintainer - First base on Tendermint, then moved onto Tendermint + Cosmos SDK - Designed and implemented IPFS plugin for accessing data from Cosmos SDK based blockchain - Main contributor of the ISCN standard for storing and updating content metadata - Maintaining a Cosmos-SDK fork for allowing multiple Bech32 address prefixes in the same chain - Participated and won the 2nd place in Cross-Chain Hackathon in May 2020 ## LikeCoin chain transaction indexer - Indexing LikeCoin chain transactions and events and store into Postgres - Designed migrations to bring new features while maintaining backward compatibility without noticeable downtime - Analyzed and optimized SQLs, improved ranking query performance from 15s to 0.1s ## LikeCoin smart contracts - Implemented mechanism to allow Ether gas fees paid by others when sending token, allowing LikeCoin users without Ether to send LIKE token - Designed a smart contract to allow verification of data from Tendermint on Ethereum ## Some other adhoc fullstack tasks - NodeJS development - Frontend performance optimization - etc



Lakoo | 拉闊 - 光輝歲月、Teon、Pandora Maze

• Hong Kong
• Computer Games
• 1 - 100 Employee

• Software Developer

  • Jun 2017 - Dec 2017

  - developed a decorator system, which shows decorators on player's game characters - benchmarked and optimized TCP connections to improve latency when numerous entities are in the same screen - developed a decorator system, which shows decorators on player's game characters - benchmarked and optimized TCP connections to improve latency when numerous entities are in the same screen