Yeon Kim
Security Engineer at Mozilla
Tulsa, Oklahoma, United States
Summary
🤩
Rockstar🎓
Top SchoolYeon Kim is a Security Engineer with eight years of engineering experience who blends backend development, security, and data-driven testing to build reliable systems. At Mozilla she works on Shavar, contributing to safe-browsing infrastructure, and her open-source backend work includes payment integrations and API robustness for high-profile Mozilla projects like Firefox Accounts and Relay. Her background spans automotive powertrain testing, OBD calibration, and statistical reliability analysis, giving her a practical edge in instrumentation and telemetry-driven debugging. Yeon brings strong Python/Django and backend expertise, proven by handling invitation flows, email delivery, and exception-safe server logic, and she’s comfortable shipping payment-processing features that bridge PayPal and Stripe. Comfortable in research and production contexts, she combines academic rigor (published work on code reuse and information foraging) with hands-on engineering in safety- and reliability-sensitive domains.
8 years of coding experience
3 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at University of Tulsa
English, Korean
Github Skills (20)
paypal10
python10
apidoc10
django10
typescript10
payment-integration10
integrations10
e-mail10
api10
typescript-types10
typescripts10
emailjs10
nodejs9
auth8
authentication8
Programming languages (9)
Github contributions (5)
mozilla/fx-private-relay
Apr 2020 - Nov 2022
Keep your email safe from hackers and trackers. Make an email alias with 1 click, and keep your address to yourself.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:32 releases, 462 reviews, 629 commits in 2 years 7 months
Contributions summary:Yeon contributed to the back-end logic and API of the project. The commits show the user working on exception handling, invitation processes, and email functionality, indicating a focus on server-side code with Django. The user implemented features to handle invitation cases and ensured proper email delivery, indicating a responsibility for key back-end workflows.
email-aliasaliaskeeprelay1-click
mozilla/fxa
Jan 2021 - Mar 2021
Monorepo for Mozilla Accounts (formerly Firefox Accounts)
Role in this project:Back-end Developer
Back-end DeveloperContributions:22 reviews, 9 commits, 7 PRs in 1 month
Contributions summary:Yeon primarily contributed to the back-end functionality of the Mozilla Accounts (fxa) repository. Their work focused on integrating and enhancing payment processing capabilities, specifically with PayPal. The commits involve adding new methods to the PayPal client and helper classes to handle tasks such as creating billing agreements, refunding transactions, and processing merchant payments. Furthermore, the user implemented logic to update Stripe invoices based on PayPal IPN messages, and handle billing agreement cancellations.
firefoxmonorepoaccounts
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