Kamontat Chantrachirathumrong
Principal Software Engineer at Freelance
Bangkok, Thailand
Summary
🤩
Rockstar🎓
Top SchoolKamontat Chantrachirathumrong is a Principal Software Engineer based in Bangkok with a decade of experience building backend systems, driving POCs, and reducing operational costs at SmarterTravel Thailand. He combines hands-on engineering with security and reliability focus—regularly hunting bugs and vulnerabilities while improving infrastructure efficiency. A prolific open-source contributor with 3,000+ GitHub contributions, he has strengthened testing and backend logic in notable projects like Rushstack and contributed to popular tools such as atom-beautify and the freqtrade trading bot. His background spans fast-paced product teams (Agoda) to freelance open-source work, giving him a rare mix of product sensibility and dev tooling expertise. Kamontat’s pragmatic motto—“Do it now”—gives way to disciplined automation and test-first improvements that quietly raise code quality across teams.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering - BE Software and Knowledge Engineering, Bachelor of Engineering - BE Software and Knowledge Engineering at Kasetsart UniversityHigh School Diploma Science and Mathematics, High School Diploma Science and Mathematics at Bangkok Christian Collage
Thai, English, Chinese
Stackoverflow
51reputation
2kreached
0answers
2questions
Github Skills (31)
git10
coffeescript10
beautifier10
back-end-development10
python10
fread10
testing10
pandas10
typescript10
formatter10
trading-bot10
cryptocurrency10
rush10
formatters10
typescript-types10
Programming languages (30)
Github contributions (5)
microsoft/rushstack
Apr 2020 - Jun 2024
Monorepo for tools developed by the Rush Stack community
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:1 review, 4 PRs, 8 comments in 4 years 2 months
Contributions summary:Kamontat primarily contributed to the backend logic and testing of the Rush Stack tools. Their work involved fixing bugs, improving the error handling, and refactoring the code. They also enhanced the test coverage by adding new tests and improving existing ones within the git functionalities. Furthermore, they improved the package information fetching process.
apimonorepoeslintapi-extractororchestrator
freqtrade/freqtrade
May 2021 - Aug 2021
Free, open source crypto trading bot
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 6 PRs, 10 comments in 2 months
Contributions summary:Kamontat primarily focused on improving the backtesting and hyperopt functionalities within the freqtrade codebase. They addressed data handling issues, optimized code for dataframe processing to prevent errors. Additionally, the user contributed significantly to Telegram integration, enhancing notification features related to sell orders by reason. They also addressed minor issues like fixing indentation, and correcting json keys.
telegram-botalgorithmic-tradingpythonfreqtradetrading-bot
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