● Developed a multi-agent AI product using LangGraph

● Developed an AI tool search component using vector DB and its release strategy

● Researched AI techniques and architectures, including prompt engineering, embedding, agent and MCP

● Participated in the team planning, quality review, and technical design

● Created AWS CDN solution for web app as well as CI pipeline for deployment

● Designed micro services to access large scale data

● Developed / maintained React Native mobile app, web app, and native widgets

● Developed / maintained RAILS based back-end codes

● Designed / developed multiple features for users to manage their network / hardwares / clients

● Developed / maintained AngularJS and ReactJS based front-end codes

● Developed / maintained RAILS based back-end codes

● Designed / developed multiple features for users to manage their retirement plan using ReactJS, AngularJS, and RAILS

● Built integration test framework / tests for the full-stack features

● Contributed in the development of a project through the software lifecycle, from requirements definition through successful deployment

● Learned new technologies, Ember.js, RSpec, Ruby on Rails, Ruby gem

● Developed internal tools (ruby gem) for core engineers

● Trained for Agile software development and participated in scrum framework

● Maintained and improved the back-end system, which increased understanding of database

● Developed new tools to assist data transfer from raw data to database

● Assisted developing front-end interface and connecting with back-end tools

● Conducted manual/automated tests on the client web sites

● Developed automated tests using PHP and Javascript according to manual tests