Benjamin Cassell
Senior Software Engineer at Cash App
Waterloo, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolBenjamin Cassell is a Senior Software Engineer with 12 years of experience and a PhD in Computer Science from the University of Waterloo, currently building products at Cash App. He brings a blend of rigorous research training and practical engineering, having moved from early programming roles in finance and government to shipping production systems at a major fintech. Comfortable across backend and systems-level problems, he combines attention to reliability with product-focused delivery. Based in Waterloo, Ontario, he’s the kind of engineer who translates academic depth into practical, scalable solutions for high-throughput consumer payments. An understated throughline in his career is steady growth from support and customer-facing roles into senior technical ownership, reflecting both technical versatility and user empathy.
12 years of coding experience
1 year of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at University of Waterloo
Github Skills (18)
color-picker10
windows10
desktop10
docker9
powertoys9
launchdarkly9
microservices8
sdk8
java7
feature-flags7
server-side7
dynamodb6
jvm6
mirror5
aws5
Programming languages (3)
Github contributions (5)
frostredoubt/NewHorizons
Sep 2015 - Sep 2015
Contributions:35 pushes in 1 day
becassel/NoitaBackup
Aug 2021 - Aug 2021
Contributions:5 commits, 4 pushes, 1 branch in 1 day
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