1. Worked with a team of 30 people to develop a highly secured Server Management Platform from scratch enabling IT team to manage IT infrastructure remotely 2. Successfully accomplished the migration from GitHub Actions to GitLab CI/CD 3. Developed and deployed automated processes that significantly decreased 80% of time required for manual tasks Technology stack: Golang, Postgres, Docker, Docker-compose, Nats, Nats Streaming, JetStream, GitHub-Action, GitLab-CI

1. Drove the discussion with front-end team on the design of data structure and the connection of RESTful & GraphQL API to successfully develop a blockchain cryptocurrency exchange 2. Designed a web application to simplify and optimize internal cash flow management and billing process Technology stack: Golang Redis MySQL, Postgres, Helm, K8s, Docker, Nats, Nats Streaming

1. Partnered with Product Managers on handling customization needs to drive product development 2. Implemented a real-time dashboard to automatically monitor, analyze data and to identify abnormal tendency from prohibited user behaviors 3. Developed and maintained a backend server supporting high concurrency requirements Technology stack: Golang, Protobuf, Redis, Nats, AWS EC2

1. Designed and developed a comprehensive coupon issuance and redemption system for customers to utilize promotions in an effective manner 2. Optimized the order placement process on POS machines to enhance efficiency and user experience 3. Enabled seamless transaction for both customers and users by integrating multiple payment API gateways (e.g. O'Pay, LINEPay, and JKOPay...etc) into the existing POS systems 4. Served as Field Application Engineer to ensure smooth system operations and satisfactory customer journey by first-level customer facing and on-site technical support/ troubleshooting Technology stack: C++ in Qt, PHP, MySQL