Haokang Den
Architect at 株式会社エス・エム・エス
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolHaokang Den is an architect and data-driven technology leader with 13 years of experience who transitioned from immunology research to building data platforms for the restaurant industry. He has led zero-to-one data infrastructure work—CDC pipelines, data lakes, DWHs, real-time analytics and CDP—while delivering practical ML products like demand and churn forecasts, image/audio recognition, and seating-optimization engines. As Toreta’s early data hire and later CTO, he combined domain-driven design, test-driven practices and cloud-native ops (GKE, Debezium, Pub/Sub, BigQuery) to eliminate technical debt and scale product engineering. He’s comfortable from VPC and Kubernetes design to BigQuery/PostGIS/Neo4j analytics and has hands-on experience improving open-source testing stacks for projects like bacon.js and CoffeeScript. Based in Chiyoda, Japan, he now focuses on hiring, reducing legacy burdens and real-time data architectures while advising on KPIs, business models and architecture decisions.
13 years of coding experience
12 years of employment as a software developer
Beachlar's degree, Biology, General, Beachlar's degree, Biology, General at Chang Gung UniversityMaster's degree, Immunology, Master's degree, Immunology at National Taiwan University
Japanese, Chinese, English
Github Skills (12)
mochajs10
nodejs10
javascript10
jasmine10
coffeescript10
sourcemaps10
browser-testing10
test-automation10
testing10
browser9
webbrowser9
build-process8
Programming languages (18)
Github contributions (5)
baconjs/bacon.js
Feb 2013 - Mar 2013
Functional reactive programming library for TypeScript and JavaScript
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:14 commits in 27 days
Contributions summary:Haokang's contributions center around enhancing the testing infrastructure for the bacon.js project. They added a mocha-phantomjs testing harness and the corresponding core extensions, demonstrating a focus on browser-based testing. Furthermore, the user integrated a jasmine testing framework and set up testing with Testem, showcasing a commitment to comprehensive and automated testing practices.
functional-programmingfunctional-reactive-programmingjavascripthandlersreactive-programming
jashkenas/coffeescript
Mar 2013 - Mar 2013
Unfancy JavaScript
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:16 commits in 8 days
Contributions summary:Haokang primarily contributed to the CoffeeScript project by addressing bugs and implementing features related to code compilation and browser integration. They worked on improving the accuracy of source maps, particularly addressing line number discrepancies, and integrating source map generation for browser environments. Furthermore, the user implemented adjustments to the build process and dependencies to enable correct operation in diverse Node.js environments.
javascript
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