Mary Keenan
Staff Software Engineer at Afresh
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolMary Keenan is a backend software engineer based in San Francisco with 10 years of experience building data-focused systems using Python, PySpark, and SQL. She has shipped production services at Afresh and Mastercard Data & Services, translating complex data pipelines into reliable, scalable solutions. Mary’s background includes hands-on work with multithreaded data extraction and API integrations from internships, reflecting a pragmatic approach to performance and integration challenges. Trained at Olin College of Engineering, she pairs strong engineering fundamentals with a habit of documenting and teaching—evidenced by her 3D printer wiki and ModSim support roles. Comfortable moving between prototype research and production systems, she brings both curiosity (from adaptive sailing research) and discipline to delivery. Her blend of data engineering chops and user-facing documentation makes her effective at turning messy datasets into usable, maintainable platforms.
10 years of coding experience
3 years of employment as a software developer
Bachelor of Science (B.S.), Computing, Bachelor of Science (B.S.), Computing at Franklin W. Olin College of EngineeringInternational Baccalaureate and Advanced Diplomas, International Baccalaureate and Advanced Diplomas at George Mason High School
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (16)
word-frequency7
sentiment6
software-design5
text-mining4
toolbox4
spring3
spring-boot3
android-app3
java2
machine-learning2
algorithms2
python1
localization1
finder1
robotics1
Programming languages (3)
Github contributions (5)
sammyers/MoodCookie
Oct 2016 - Oct 2016
An Android app to generate fortune cookie advice based on facial sentiment recognition.
Contributions:31 commits, 6 PRs, 17 pushes in 11 days
android-appsentiment
mary-keenan/DSA-17
Jan 2017 - Apr 2017
Contributions:47 pushes in 2 months
data-structuresalgorithms-and-data-structuresolin
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