# Peng Wei > Fast growing team at Meta hiring iOS/Android engineers across all levels! Please reach out to me for referral. Location: Sunnyvale, California, United States Profile: https://flows.cv/pengwei Senior software engineer with broad knowledge in software engineering, web development, and system architecture. Built multiple startups from scratch. Understands business requirements very well and always keeping that ROI positive. ## Work Experience ### Staff Software Engineer @ Facebook Jan 2020 – Present | San Francisco Bay Area ### Software Engineer @ Airbnb Jan 2019 – Jan 2020 | San Francisco Bay Area ### CTO @ LeaseCo Jan 2017 – Jan 2019 | San Francisco Bay Area - Co-founded LeaseCo, which is an online point-of-sale financing solution that allows customers to pay over time on a flexible schedule - Created the entire stack, from application to devops to analytics to marketing - Went to market in 4 months and grew revenue to 7 figures in under a year - Created roadmaps every quarter and made key tech and data driven business decisions - Drove agile meetings; managed JIRA board; mentored other devs Technical highlights - Built multiple web frontends with React - Built backend with Node that exposed a RESTful API, with JWT auth and many 3rd party integrations - Built a mobile app with React Native and Firebase that allowed for offline transactions - Wrote CloudFormation templates to manage AWS resources as code - Built a CI/CD pipeline that handled running unit tests, DB migrations, deploying application containers to ECS, webpacking, and deploying frontend artifacts to S3 - Wrote SQL queries to determine various metrics such as conversion rate, charge off rate; connected GDS to internal and external data sources and added visualizations for business team - Set up Sentry and PagerDuty and established on call process ### CTO @ Ice.com Jan 2017 – Jan 2017 | San Francisco Bay Area - Joined during a transitional period to add an in-house financing solution - A few months later, company was sold, and the financing solution was extracted as a standalone product as LeaseCo ### Engineering Manager @ TetraScience Jan 2015 – Jan 2017 | Boston - Joined as the first employee and built the entire tech stack from scratch in 6 months to qualify for and successfully graduate from Y Combinator - Continued to make critical contributions to both technology and process which allowed TetraScience to grow to 20+ employees - Wrote a RESTful API for managing resources such as users and devices - Designed and implemented a distributed data pipeline that parsed data from many scientific instruments and provided real time monitoring and alerting to users - Led the development of TetraScience Link: a custom single board computer that collected data from instruments and sent data to the server - Implemented a visibility solution for TetraScience Links using Grafana and InfluxDB - Managed server deployments on AWS and used Vagrant to build a common local environment - Mentored and managed other engineers; conducted biweekly 1-on-1s and regular code reviews - Provided training on topics such as objected oriented programming, event driven programing - Defined interview process and conducted most of the technical interviews ### Software Engineer @ TinyCo Jan 2012 – Jan 2015 | San Francisco Bay Area - Worked on 3 #1 games in the U.S. store: Tiny Village, Spellstorm, Family Guy: The Quest for Stuff - Implemented and improved core features such as goals, achievements, dialogs, in app purchase, push notification, user tracking, Facebook integration, tooltips, shop, inventory, building placement - Optimized CPU and memory usage and improved game performance tremendously - Gained thorough understanding of game development concepts such as configuration loading, image compression, MVC pattern, core loop, A/B testing - Wrote code in C++ 11 utilizing modern features such as lambda expression, type inference ## Education ### Bachelor's Degree in Computer Science Cornell University Jan 2008 – Jan 2012 ## Contact & Social - LinkedIn: https://linkedin.com/in/peng-wei-9ba25259 --- Source: https://flows.cv/pengwei JSON Resume: https://flows.cv/pengwei/resume.json Last updated: 2026-03-22