Sean Callahan is a software engineer with extensive experience in platform engineering and infrastructure development. Currently at Linear since October 2025, Sean previously served as the Infrastructure & Platform Lead at Motion from October 2022 to October 2025, where leadership encompassed architecting enterprise-grade Kubernetes infrastructure and driving distributed systems architecture decisions. Prior to Motion, Sean was a Founding Engineer at Pesto, focusing on optimizing backend data infrastructure and developer tooling. Sean's experience at Twitter included roles as a Senior Software Engineer and an intern, contributing to data APIs and internal data pipelines. Earlier work involved web application development at Ames Construction, Windward Studios, and ReadyTalk. Sean holds a Bachelor of Applied Science in Computer Science from the University of Colorado Boulder.
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