Chas Lemley is a Staff Software Engineer based in Atlanta with 16 years of experience building production web applications, primarily focused on Ruby and Rails. He has driven platform and product-level engineering at Airbnb since 2019 after rising through senior technical roles at HotelTonight, where he spent seven years shaping backend systems. Known for blending hands-on coding with architectural leadership, he helps teams scale reliability and developer velocity in high-traffic consumer services. His background includes early full-stack engineering at Consumer Source and a BS in Computer Science from the University of North Georgia. Colleagues describe him as a pragmatic problem solver who prefers clear, maintainable solutions over complexity. Outside work he brings the long-term perspective of a seasoned engineer who stays current with the Ruby ecosystem while adapting practices to large distributed systems.
16 years of coding experience
9 years of employment as a software developer
BS, Computer Science, BS, Computer Science at University of North Georgia
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