Sang Do is a senior full-stack software engineer and manager with over 20 years of experience designing and delivering scalable web applications, currently building at HealthSherpa. He specializes in Ruby on Rails-led full-stack architecture and has driven complex migrations and compliance automation across Rails, React, Ember, and Sinatra stacks. A two-time co-founder, Sang has led product and engineering efforts for startups focused on data visualization and mentoring platforms, and previously architected premium web applications at Smartsheet. His background in firmware and embedded systems (smart meters, USB/SSD firmware) gives him a rare breadth from low-level device drivers to high-level web services. Based in Anaheim, he prefers hybrid or remote roles and leverages modern development practices and AI tools to accelerate delivery. Colleagues describe him as a pragmatic technical leader who pairs entrepreneurial instincts with deep hands-on implementation skills.
12 years of coding experience
17 years of employment as a software developer
Electrical Engineering, Electrical Engineering at University of California, Irvine
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Sang Do - Senior Software Engineer at HealthSherpa