사재혁
Backend Developer at Riiid
Seoul, Korea, Republic of
Summary
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Rockstar사재혁 is a Python backend developer based in Seoul with four years of hands-on experience building and improving web applications. He contributes to core open-source projects like Django, focusing on bug fixes and robustness improvements such as Unicode handling, database options, and password hashing, which shows attention to security and compatibility. Comfortable working deep in backend internals, he has improved performance and reliability by modernizing code paths (e.g., adopting HttpResponse.text) and resolving complex constraints like ExclusionConstraint issues. Pragmatic and detail-oriented, he blends day-to-day engineering with contributions that benefit the broader Python web ecosystem.
4 years of coding experience
Github Skills (13)
python10
django10
postgresql9
sqlite9
testing8
database-design8
machine-learning-models7
data-models7
3d-models7
web-framework7
app-framework7
orm7
sql6
Programming languages (7)
Github contributions (5)
django/django
Mar 2023 - Mar 2025
The Web framework for perfectionists with deadlines.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:37 reviews, 25 PRs, 55 comments in 2 years
Contributions summary:사재혁 made several contributions to the Django web framework, primarily focused on bug fixes and enhancements to existing features. They addressed issues related to Unicode character handling, database options, and the `HashedFilesMixin`. The user also improved the ScryptPasswordHasher and updated code to utilize the `HttpResponse.text` property, indicating a focus on improving code quality and functionality within the core framework. Additionally, they fixed an issue with the ExclusionConstraint.
pythondjango-frameworkappsdjangoframework
JaeHyuckSa/django
May 2024 - Mar 2025
The Web framework for perfectionists with deadlines.
Contributions:90 pushes, 22 branches in 10 months
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