Grey Li
Principal Software Engineer at Dell Technologies
Shanghai, Shanghai, China
Summary
🤩
RockstarGrey Li is a Principal Software Engineer based in Shanghai with a decade of experience building and maintaining Python web frameworks and applications. As a long-time maintainer of Flask-related projects and creator of HelloFlask and APIFlask, he blends deep back-end expertise with practical full‑stack product work—shipping apps like Bluelog, Albumy, and SayHello. He contributes across code, docs, and tests for core libraries (Flask, Werkzeug, WTForms), showing a rare mix of API design, QA rigor, and technical writing that improves developer experience. Grey favors pragmatic, single-threaded simplicity ("0.8x developer") and champions clear documentation and test coverage as much as features. At Dell Technologies he now applies that open-source craftsmanship to large-scale engineering problems while continuing to teach and speak about web development.
10 years of coding experience
Chinese, English
Stackoverflow
12,387reputation
2.0mreached
222answers
2questions
flask-sqlalchemy
top-5%
python
top-1%
flask
top-1%
jinja2
top-5%
ckeditor
top-5%
javascript
top-5%
Github Skills (66)
restructuredtext10
python10
testing10
authentication10
file-upload10
rest-api10
bootstra10
web-development10
openapi10
flask10
rs10
validation10
python-templates10
flask-ask10
code-templates10
Programming languages (10)
Github contributions (5)
greyli/albumy
Aug 2018 - Apr 2020
A photo-sharing social networking built with Flask.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:39 commits, 7 PRs, 19 pushes in 1 year 8 months
Contributions summary:Grey appears to be a full-stack developer contributing to the project. Their initial commit established the basic project structure, setting the foundation for further development. Subsequent commits reveal work on advanced user authentication features, including login, registration, and password management, as well as the implementation of file upload functionality, indicating contributions to both the backend and frontend. The user also worked on photo and comment management, including reporting and deletion features.
social-networkpythonphoto-sharingsocial-sharingflask
greyli/sayhello
Jul 2018 - Jun 2021
A simple message board application build with Flask.
Role in this project:Back-end Developer
Back-end DeveloperContributions:15 commits, 5 PRs, 9 pushes in 2 years 10 months
Contributions summary:Grey primarily focused on integrating various technologies and improving the application's functionality. They added Bootstrap and Flask-Moment to enhance the user interface and date/time handling. Furthermore, the user integrated a testing framework by adding unit tests to ensure the stability of the application. They also reordered the code in the `index()` method and added module headers and fixed a typo.
pythonflaskmessage-boardsimple-messagemessage
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.