Rxckin Beats
Web Developer
Tokyo, Japan
Summary
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RockstarRxckin Beats is a Tokyo-based web developer with 15 years of experience building both front-end and back-end systems and a track record of practical open-source contributions. He has improved performance and standards compliance in high-profile projects like the H2O HTTP server—adding .mjs support, updating MIME mappings per RFC9239, and introducing zstd compression—while also delivering full-stack tooling such as html2json/json2html and websocket examples in Go. His work on Tokyo’s COVID-19 public site shows attention to data UX and civic open-data integration, and he frequently balances code refactors, API design, and test coverage to keep projects maintainable. Known for pragmatic engineering across languages and layers, he brings a detail-oriented approach that surfaces in both protocol-level fixes and user-facing interface refinements.
16 years of coding experience
Github Skills (25)
json10
javascript10
back-end-development10
css10
http10
websocket10
c1110
c1710
httpd-server10
http-server10
go10
vue10
html10
backend10
mime-types10
Programming languages (21)
Github contributions (5)
Jxck/html2json
Oct 2011 - Jan 2017
html2json & json2html
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:123 commits, 8 PRs, 29 pushes in 5 years 4 months
Contributions summary:Rxckin primarily contributed to the development of the `json2html` functionality within the `html2json` repository. Their work included implementing features for parsing various HTML elements, attributes, and child nodes. The user also refactored code, improved API design, and added tests for both `html2json` and `json2html` to ensure the functionality of the code.
json2html
h2o/h2o
Feb 2016 - Jun 2022
H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 4 commits, 5 PRs in 6 years 4 months
Contributions summary:Rxckin contributed to the H2O HTTP server project by addressing various issues and implementing enhancements related to file compression and MIME types. They fixed a typo, supported the `.mjs` file extension, and changed the MIME map for `.js` and `.mjs` to `text/javascript` as per RFC9239. The user also added support for `.zstd` compression and adjusted the prioritization of compression algorithms. Furthermore, they added documentation.
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