# WeiHang Zhao > Product Engineer @Dosu Location: San Francisco, California, United States Profile: https://flows.cv/weihang Building some truly crazy and exciting things with our team. @Dosu GitHub: https://github.com/dohooo I'm an experienced Frontend Development Engineer boasting 5 years of hands-on expertise with React, React Native, Typescript, JavaScript, and Node.js. My project experience is in web front-end development, mobile cross-platform development, front-end infrastructure, low-code platforms and dApps. In the last year or two, I have led the development of nearly ten 0-to-1 mobile cross-platform applications, including my personal side-project. I'm also interested in Open Source Community. My projects, which are developed for web and mobile platforms, receive a total of 1M downloads per month. ## Work Experience ### Software Engineer @ Dosu Jan 2024 – Present | San Francisco Bay Area Early engineer, creating and promoting Dosu. 🤖 ### Frontend Developer @ RSS3 Jan 2023 – Jan 2024 | San Francisco, California, United States - As a core maintenance member, participated in and continuously iterated on the development of the xLog web application, maintaining it in the open-source community. - As the lead, designed and developed the xLog mobile application, and iteratively maintained it in the open-source community. - Developed a mobile Toolkit based on the Crossbell blockchain, aiding developers in more easily creating dApps based on the Crossbell blockchain. - Fully independently managed the entire mobile application development lifecycle, including requirements analysis, architecture design, user interface design, development, testing, app store submission, and deployment. ### Frontend Developer @ įžŽé¤ Jan 2021 – Jan 2023 | Beijing, China - Led a team to form a front-end infrastructure group, focusing on development efficiency in areas such as CI/CD, testing automation, component library, and code style. - Spearheaded the development of a low-code platform around business needs, significantly enhancing delivery efficiency. - Conducted research on new technologies and promoted them internally, regularly sharing knowledge to improve the team's technical expertise. ### Frontend Developer @ Beijing Dry Culture Media Co., Ltd. Jan 2020 – Jan 2021 | Beijing, China - Led two mid-level developers in the development of the "Basic Operation" application's front-end, starting from scratch, designed intuitive UI/UX for in-app purchases, interactive videos, magazines, and other modules, and eventually launched on the App Store and Google Play. - Participated in the development of web-based interactive games and the design and development of web game frameworks using Three.js/Pixi.js. - Organized the team to rebuild and optimize old projects and conduct regular code reviews, improving code quality to ensure the implementation of standards. ### Frontend Developer @ ApplySquare Jan 2018 – Jan 2020 | Beijing, China - Led the team in developing an internal self-researched low-code system, enhancing the team's development efficiency and reducing development costs. - Conducted routine Web and Mobile product development, including requirement assessment, technology selection, architecture design, coding, testing, deployment, launch, and maintenance. - Responsible for conducting code reviews, providing optimization feedback, and improving code quality through weekly optimization discussions. - Reviewed and refined test cases created by QA to identify gaps, enhance test coverage, and used analysis tools to optimize front-end page performance, improve user experience ratings, and resolve compatibility issues. ## Education ### Master of Science - MS in Computer Science De Montfort University Jan 2023 – Jan 2024 ## Contact & Social - LinkedIn: https://linkedin.com/in/caspian-zhao - GitHub: https://github.com/dohooo --- Source: https://flows.cv/weihang JSON Resume: https://flows.cv/weihang/resume.json Last updated: 2026-03-20