# Fraser Le Ber > Software Engineer at Twitch Location: San Francisco, California, United States Profile: https://flows.cv/fraser ## Work Experience ### Software Engineer @ Twitch Jan 2019 – Present | San Francisco, California - Technical design, development and maintenance of new features and products built on top of Twitch Chat. - Planned and executed the migration of multiple services that power Twitch Chat and Twitch's PubSub system to a new build/deploy platform with zero downtime. - Technical design, development and maintenance of backend services and infra powering various products (Rewards, Challenges, Predictions and Polls) on Twitch that integrate/leverage the Channel Points system - Technical design, development and maintenance of the backend service and infra powering the Channel Points system on Twitch, a channel specific points system - Improving, scaling and maintaining the suite of backend services and infra that power Twitch Chat - Improving, scaling and maintaining the suite of backend services and infra that power Twitch's PubSub system used by all 1st part clients and some 3rd party developers for real time updates - Improving monitoring, alerting and availability of services owned by the team - Services written in Go on AWS Infra ### Software Engineer @ Pursuit Jan 2017 – Jan 2018 | San Francisco Bay Area - Performing software design and development for a consumer platform to provide actionable insights and stat tracking to help users improve at competitive video games - Developed and maintained a windows desktop client to capture users gameplay and upload it to our servers with minimal FPS impact using Electron, React and the OBS Studio library - Developed and maintained a custom OBS Studio Plugin in C to interface between the graphics pipeline of the game capture in OBS Studio and the rest of the desktop client to enable uploading captures to our servers - Developed and maintained a backend design and infrastructure for the website and desktop client to connect to for data using Rails API, PostgreSQL, Redis and Nginx running on AWS EC2 - Developed new features and enhanced the website built using React, HTML and CSS - Developed analytics scripts to process analytics data into actionable insights using Python ### Software Engineer @ Revlo Jan 2015 – Jan 2017 | San Francisco Bay Area - Performing software design and development for a personal fan management system for streamers - Using Ruby on Rails, HTML, CSS and AngularJS to develop new features and enhance the website - Perform technical testing and improvements to scale all systems on AWS - Design, develop, implement and maintain a new robust IRC chat bot service to track time spent by users in a channel and provide interactive abilities in the Twitch chat while scaling to ten's of thousands of channels at a time (Using Ruby and Celluloid with the Actor model) - Design, develop, implement and maintain a new internal service for the bot service to interface with the PostgreSQL database through (Using Ruby and Sinatra running on the Thin framework) ### Technical Consultant @ Revlo Jan 2015 – Jan 2015 | Toronto, Canada Area - Performing software design and development for a personal fan management system for streamers - Using Ruby on Rails, HTML and CSS to develop new features and enhance the website - Using Ruby to develop a responsive and robust interactive IRC chat bot system to run in the background on streamers Twitch.tv channels that scales to 100’s of channels at a time ### Product Engineering Team @ Microsemi Jan 2013 – Jan 2014 | San Jose, California ### Engineering Research Assistant @ Canadian Surgical Technologies and Advanced Robotics Jan 2012 – Jan 2012 ### Engineering Research Assistant @ Canadian Surgical Technologies and Advanced Robotics Jan 2011 – Jan 2011 ## Education ### Bachelor of Applied Science in Engineering Science in Electrical and Computer Engineering University of Toronto ## Contact & Social - LinkedIn: https://linkedin.com/in/fraserleber --- Source: https://flows.cv/fraser JSON Resume: https://flows.cv/fraser/resume.json Last updated: 2026-03-30