1. (Blockchain Development) Developed NFT ticket system and ERC20 token payment by Solidity Smart Contract in Hardhat framework and OpenZeppelin 2. (Blockchain Development) Tested smart contract locally and on-chain by test scripts and Hardhat tasks, deployed smart contract with auto-configuration 3. (Backend Development) Developed web3 taxi-hailing system by NodeJS in NestJS framework, implemented passenger and driver functions, SMTP service, and geographic objects by PostGIS geometry extension 4. (Backend Development) Established PostgreSQL DB and pgAdmin by docker container 5. (SA assistant) Drew sequence diagrams and system architecture 6. (DevOps PM) Coordinated DevOps project between Client and KoolTech

1. Developed dig bank bond service by Java Spring boot framework in Microservice architecture 2. Monitored services and retrieved logs in Cloud Foundry 3. Supported internal system migration 4. Supported UAT and PROD issues analysis and raised solution

1. Managed Thailand, Myanmar, and Philippine branch companies 2. Budgeted monthly expenses and assisted business meeting

As an interpreter and translator for official meetings and activities