Justin Self

Head Of 401(k) Engineering

Justin Self is an accomplished engineering leader with extensive experience in the tech industry. Currently serving as Head of 401(k) Engineering at Gusto since November 2025, Justin previously held the position of Director of Engineering at Guideline from September 2019 to November 2025, where impactful contributions included serving over 60,000 businesses and 1 million participants while managing a team of 50 engineers. Justin's earlier roles include Director of Software Development at Tethr, Principal Solution Architect at Clear Measure, and Senior Consultant at Improving, focusing on software development, team leadership, and operational excellence. Justin began a career in software development at Woodforest National Bank, specializing in n-tier web applications and internal tools.

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