# Sang Lee > Design & Code at Twitch/AWS 🎨 📺 Location: San Francisco, California, United States Profile: https://flows.cv/sang I design & build software, with 10+ years of professional experience designing & building products from the ground-up, from complex enterprise products like Amazon IVS and Box Metadata to consumer-oriented products like Twitch Clips and Twitch Studio. I've written production frontend code for web (Javascript, React, Vue, CSS) & mobile clients (Objective-C, Swift, Kotlin), and I'm also comfortable writing backend code (node.js, rails) and have experience with AWS (cloudformation, lambda, DynamoDB, API gateway, and of course Amazon IVS). ## Work Experience ### Senior Lead Design Technologist @ Twitch Jan 2022 – Present | San Francisco Bay Area Design & develop tools that help customers accelerate their time to market and help developers make the most out of Amazon IVS, the AWS service that powers the video infrastructure behind Twitch. ### Senior Design Technologist @ Twitch Jan 2020 – Jan 2022 Design & develop web, iOS, and Android apps for Amazon IVS. Improve the overall experience for developers building with Amazon IVS through onboarding, education, and by designing simple-to-understand development workflows and web consoles. ### Senior Product Designer @ Twitch Jan 2018 – Jan 2020 | San Francisco Bay Area Designed tools for 2M+ creators on Twitch. I wrote production code and owned the user experience for a wide range of highly successful projects for viewers and creators, including Twitch Studio, Twitch Clips, paid subscriptions, streamer dashboard, revenue tooling, tax forms, stream analytics, stream health, and much more. My work on Twitch Studio also included patent-pending designs for several innovative features including screen capture, A/V sync, and background removal. For many of these projects, I helped to scale the product in this senior role after setting the initial design vision in my previous mid-level role. ### Product Designer @ Twitch Jan 2015 – Jan 2018 | San Francisco Bay Area Designed and contributed frontend code (React, CSS/SASS) to Twitch Clips and scaled it over 100x increase in usage over 2 years while maintaining its position as the top product at Twitch in creator satisfaction. Also designed and helped define & develop the initial vision for several notable creator-focused features on Twitch including resubscriptions, stream health (Twitch inspector), partner onboarding, streamer dashboard, and revenue/analytics dashboard. ### Design Lead @ Immediately Jan 2015 – Jan 2015 | San Francisco Bay Area At Immediately, I owned all design, UX, and frontend web dev. I worked on everything from marketing design, banner ads & promotional emails, to hacking on the frontend for our Ruby app, contributing to our Objective-C iOS app, and designing the entire mobile application (sales pipeline management, calendar, news, and email). I also owned the UX research pipeline (everything from recruiting, scheduling, interviews, and recommendations). ### Product Designer @ Xero Jan 2014 – Jan 2015 | San Francisco Bay Area Product Design on Xero Payroll. Focused on timesheets and employee/employer onboarding. ### Product Designer @ Box Jan 2013 – Jan 2014 | Los Altos, CA Product Design for Box's Platform and Partner endpoints. I was responsible for designing the first version of Box Metadata, Box View, and maintaining the Box API Developer portal. ### Co-Founder @ SquareOne Mail, Inc. Jan 2012 – Jan 2014 | San Francisco, CA Owned all design for the SquareOne Mail email application. Everything from marketing, icon & logo design, to UI/UX and app design. ### User Interface Designer @ Thrives Jan 2012 – Jan 2012 | Munich, Germany User Interface design for Thrives, Inc. Products & Services. Designed and Prototyped early versions of the Thrives web service on mobile, tablet, and desktop devices. Worked closely with engineers to produce the best possible products within a small timeframe.. ## Education ### Bachelor of Arts (B.A.) in Computer Science, Digital Arts Dartmouth College Jan 2009 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/sangleeme - Portfolio: http://www.sanglee.me --- Source: https://flows.cv/sang JSON Resume: https://flows.cv/sang/resume.json Last updated: 2026-03-25