Aaron Lichtman is a software engineer focused on developer tooling and security with nine years of experience and a current role working on VS Code at Meta. He blends secure-by-design engineering with hands-on tooling work—previous roles include product security, red team rotations, and Portal security—so he thinks like both builder and attacker. Aaron is an active open-source contributor (notably shallow-backup and contributions to lsd and jrnl) and a command-line enthusiast who has built practical dev utilities and improved CLI UX. His background includes securing authentication at scale during a Facebook internship and building ML-backed plagiarism detection for CS courses, showing both production security and academic tooling chops. OSCP-certified and comfortable across full-stack, backend, and CI/test automation, he brings pragmatic, security-minded engineering to developer experiences.
9 years of coding experience
5 years of employment as a software developer
High School, High School at Highland Park High School
Bachelor of Science - BS Computer Science and Linguistics, Bachelor of Science - BS Computer Science and Linguistics at University of Illinois Urbana-Champaign
Computer Science, Computer Science at Mobile Makers Academy — Chicago, IL — Summer 2016
Contributions:31 releases, 34 reviews, 362 commits in 4 years 10 months
Contributions summary:Aaron primarily contributed to the development of a backup tool for macOS and Linux. Their work included the initial creation of scripts to scrape and back up installed packages, dotfiles, and system configurations. The user refactored the project's layout, added features such as backing up fonts, and integrated the project with git for version control and remote repository configuration. They also worked on integrating the code with the command line interface.
Terminal dashboard for trading Bitcoin, predicting price movements, and losing all your money
Role in this project:
Data Scientist & Machine Learning Engineer
Contributions:321 commits, 96 PRs, 245 pushes in 1 year 1 month
Contributions summary:Aaron contributed to the development of the `bitvision` project, which involves predicting Bitcoin price movements. They focused on data analysis, including the implementation and visualization of a confusion matrix, as well as the creation of classification models. Their work included the addition of model evaluation metrics like precision, specificity, and recall, showcasing an emphasis on model performance and interpretation within the context of Bitcoin trading.
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Aaron Lichtman - Software Engineer -- VS Code at Meta