Paul Casey is a Senior Software Engineer with 12 years of hands-on experience building backend systems, infrastructure, and operational tooling across the US and Japan. Currently at Mercari US after rising through engineering roles there, he brings a track record of delivering reliable software in both enterprise and startup-like environments. His background spans software development, IT management, and support—skills honed while managing IT in Tokyo and engineering at McKesson—giving him a pragmatic, systems-oriented approach to problems. He holds a BS in Computer Science from Oregon State and a prior business degree, which helps him bridge technical and operational priorities. Comfortable working across cultures and time zones, he often combines backend engineering with infrastructure ownership to reduce toil. Colleagues rely on him for steady delivery, cross-functional collaboration, and practical solutions that scale.
12 years of coding experience
11 years of employment as a software developer
Bachelor of Science - BS, Business Administration, Bachelor of Science - BS, Business Administration at University of Maryland Global Campus
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Oregon State University
Study Abroad, Focus in International Business, Study Abroad, Focus in International Business at Temple University Japan
Associate of Science - AS, Business Administration, Associate of Science - AS, Business Administration at Anne Arundel Community College
Contributions:6 PRs, 19 pushes, 10 branches in 1 month
2019-fallengineeringfallosu
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Paul Casey - Senior Software Engineer at Mercari US