Jeffrey Tsai
Full-Stack Engineer at Unspun Media
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolJeffrey Tsai is a Full-Stack Engineer with nine years of experience building scalable, user-focused web platforms using React, Next.js, Java, Python, Node.js, and Mongo/Postgres. He has repeatedly reduced maintenance complexity and accelerated delivery—most notably by automating an 8,000+ article, 20-localization migration and rebuilding a real-time auction platform to improve reliability under live load. As a founding engineer at a crypto startup and current builder of an LLM-assisted news annotation platform, he blends front-end polish, data science/NLP interests, and production-grade backend services to deliver human-in-the-loop systems. His background includes hands-on operational readiness from military CBRN training, bringing disciplined incident response and rapid-deployment instincts to on-call production support.
9 years of coding experience
4 years of employment as a software developer
Shanghai American SchoolMaster of Science (MS) in Information Systems, Information Systems, Master of Science (MS) in Information Systems, Information Systems at Northwestern UniversityBachelor's degree, Bachelor's degree at University of Illinois Urbana-Champaign
Stackoverflow
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Programming languages (2)
Github contributions (5)
JeffreyTsa1/Capstone
Jul 2025 - Feb 2026
Capstone Project
Contributions:1 review, 89 PRs, 60 pushes in 7 months
JeffreyTsa1/image_classification_task_nn
Jun 2021 - Mar 2022
Contributions:8 commits, 7 pushes, 1 branch in 9 months
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