Develop a web3 product, Candlestick.io, to assist individuals in analyzing crypto market trends through specific metrics. Used Tech Stack Spring Boot, PostgreSQL, Redis, Docker, Terraform/Terragrunt, GCP, Vue/Nuxt Achievements • Develop the entire frontend of the product from scratch, working independently • Collaborate with another engineer to develop the entire backend web services • Tune the performance of SQL queries of complex metrics. • Migrate services from Alibaba Cloud to GCP • Introduce Infrastructure as code(IaC) to manage the resources of the services • Establish CI/CD processes using GitLab CI to deploy services to Google Cloud Run

• Develop a gambling platform that integrates multiple third-party game providers • Lead and train junior frontend engineers Used Tech Stack Spring Boot/Cloud, MySQL, Redis, Docker, Angular, Vue Achievements • Develop a comprehensive risk control management system for the platform • Develop a mechanism that uses Redis Pub/Sub for distributed memory caching to reduce I/O overhead and serialization, and prevent cache inconsistencies with the database after migrations • Design the frontend architecture using Clean Architecture and DDD • Lead junior frontend engineers to complete projects from scratch

• Develop ERP systems for various customers across multiple industries • Train junior engineers Used Tech Stack Node/Koa, MySQL, React, Angular, Vue, GraphQL Achievements • Contribute to open source libraries based on the requirements of ERP systems from scratch, working independently - A UI library that supports multiple frameworks - A rich editor for web • Introduce Clean Architecture into the company and improve the quality of code

Develop the platform, SurveyCake, to help individuals create custom survey forms and generate charts and reports for the analysis of response data, including cross-analysis, etc. Used Tech Stack React/Redux Achievements • Migrate system from jQuery to React • Tune the performance of React for large and complex views

Develop new features and fix bugs for an education platform Used Tech Stack Python/Flask, React, Vue Achievements • Migrate some sub-systems from jQuery to React • Develop a new platform, Share Class, from scratch to allow teachers to share their teaching materials, similar to a Github for teachers