Tim Choi is a Senior Software Engineer @ Microsoft at Microsoft. They possess expertise in javascript, react.js, node.js, express.js, postgresql and 7 more skills. They is proficient in English. Colleagues describe them as "It's difficult to find a truly good front-end developer, but with Woojun, rapid prototyping, business-to-development design, and seamless application compatibility are second-nature. I had the privilege of collaborating with him on open source projects, and his clear communication, technical prowess, and solid problem solving skills made it enjoyable to work with. He is a talented developer and would be a great addition to any team!" and "Woojun is one of the most valuable team players I have ever met in the industry. Seasoned developer in React, deadline oriented and intelligent person made working with Woojun a pleasant experience. His ability to pick up tasks and execute quickly, efficiently; and most importantly, code that is scalable and modular. I highly recommend Woojun and believe he will be a valuable asset to any project and team."