Justin Si is a Senior Software Engineer at EarnIn since November 2025, previously serving as Engineering Manager at Procurify from April 2014 to October 2025. In this role, Justin managed two teams, focusing on their growth and development, and coached nine direct reports across various technologies, including Django and React. Justin's expertise includes leadership as Mobile Team Lead and contributions as a founding Android Software Engineer, advocating for modern practices like Kotlin and Clean architecture. Earlier experience includes a co-op position as an Embedded Software Designer at BlackBerry, involved in the BB10 platform launch. Justin holds a Bachelor of Science in Computer Science from Simon Fraser University and a Bachelor of Engineering in Computer Engineering from Zhejiang University.
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