David Malan
Gordon McKay Professor Of The Practice Of Computer Science, Member Of The Faculty Of Education
Cambridge, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolDavid Malan is a computer scientist and educator with 14+ years leading large-scale computer science instruction as Harvard’s Gordon McKay Professor and the public face of CS50, a MOOC with millions of registrants and 1.9M YouTube subscribers. He blends deep technical expertise in cybersecurity, digital forensics, and scalable systems with hands-on engineering—contributing to core CS50 tooling like submit50, check50, and the cs50 Python/C libraries. Comfortable across front-end, back-end, DevOps, and QA, he has practical experience building infrastructure at scale (500M daily HTTP hits at Mindset Media) and ran a data-recovery forensic firm used in legal contexts. An early adopter of distance and collaborative learning, he has repeatedly pushed course distribution innovations (podcasting entire courses, Codespace tooling, GitHub Education advising) to broaden access.
14 years of coding experience
4 years of employment as a software developer
Ph.D., Computer Science, Ph.D., Computer Science at Harvard University
Stackoverflow
33reputation
484reached
0answers
2questions
Github Skills (55)
library-design10
git10
database-api10
github10
python10
scripting10
sphinx10
testing10
css10
pexpect10
databases10
bash10
c1110
flask-ask10
c1710
Programming languages (20)
Github contributions (5)
cs50/submit50
Sep 2016 - Jan 2021
This is submit50, CS50's command-line tool for submitting problems.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 197 commits, 113 PRs in 4 years 4 months
Contributions summary:David appears to be actively developing and refactoring the `submit50` command-line tool, primarily focusing on migrating it to Python3. They are making changes to the core functionality, including adding features like two-factor authentication. Furthermore, the user is integrating the tool with GitHub, and working on the user authentication process.
command-line-toolproblemspythoncs50
cs50/cs50.readthedocs.io
Jun 2013 - Jan 2023
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:15 reviews, 759 commits, 57 PRs in 9 years 9 months
Contributions summary:David primarily contributed to the documentation site for the CS50 project. They fixed bugs related to URL resolution and table of contents generation. They also implemented support for features like ignoring drafts and adding 404 support. Furthermore, the user refactored code, updated CSS, and integrated a Bootstrap-based theme, indicating work across both frontend and backend aspects of the documentation site.
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