Rui Tu is a Senior Software Development Engineer with 10 years of experience building production ML and security tooling at Amazon and DocuSign. He blends disciplined, persistent engineering with hands-on expertise across systems, C#, Java, Node.js, and IoT testbeds, delivering practical security and debugging solutions early in product lifecycles. At Amazon he progressed through SDE I/II ML roles to a senior position, reflecting strong impact on machine learning systems at scale. Rui also founded and led a university competitive programming club, coaching dozens of students to improve interview performance—an early sign of his mentorship and process-driven approach. Known for shipping fast, useful developer tools (e.g., a recursion detector and VS Code security analyzer at DocuSign), he favors pragmatic automation that reduces risk and developer toil. Based in the Greater Seattle Area, he combines disciplined execution with a knack for turning complex technical problems into reliable, auditable solutions.
10 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at University of Oregon
Contributions:350 commits, 1 PR, 321 pushes in 1 year
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Rui Tu - Senior Software Development Engineer at Amazon