Justin Ma
Founder at TraceInvest.com
Hangzhou-Shaoxing Metropolitan Area China
Summary
👤
Senior🎓
Top SchoolJustin Ma is a founder and full-stack engineer with 14 years of experience building data-driven web services and developer tools, currently running TraceInvest.com — a Node.js/MongoDB-powered platform for US insider trading queries and analysis since 2013. He started his career as a back-end Java engineer and front-end web developer at Alibaba, giving him strong cross-stack expertise in scalable web systems and product delivery. Justin also contributes to open-source tooling for terminal-driven stock analysis, extending features like insider trading records and finance calendars that mirror his product focus on market transparency. Trained in automation (M.S.) and dual bachelor’s degrees in biomedical engineering and computer science, he blends rigorous academic grounding with practical entrepreneurship in fintech. Based in the Hangzhou–Shaoxing area, he pairs hands-on engineering with CEO-level product ownership and a consistent interest in command-line tooling and quantitative features.
14 years of coding experience
4 years of employment as a software developer
Master's degree, Automation, Master's degree, Automation at University of Science and Technology of ChinaBachelor of Engineering (B.E.), Biomedical Engineering, Bachelor of Engineering (B.E.), Biomedical Engineering at Huazhong University of Science and Technology
Chinese, English
Github Skills (8)
command-line-interface10
fetcher10
javascript10
fetchr10
fetch10
cli10
command-line10
cheerio8
Programming languages (3)
Github contributions (5)
hustcer/star
Jun 2015 - Feb 2018
A STock Analysis and Research tool for terminal(cli) users. 技术控和命令行爱好者的 A 股辅助分析工具。
Role in this project:
Back-end Developer
Back-end DeveloperContributions:362 commits in 2 years 9 months
Contributions summary:Justin appears to be focused on building a stock analysis tool for terminal users. They implemented the core functionality, including querying stock data, setting up data providers, and sorting the stock information by various parameters like price, performance, and star rating. The user also added features such as insider trading records and finance calendar display, demonstrating a focus on expanding the tool's capabilities.
pythonstock-analysisstockstock-dataterminal
hustcer/jStyle
Aug 2013 - Feb 2017
Contributions:23 commits in 3 years 7 months
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