Ian Laffey is a founder and engineering leader with seven years of experience building hardware-enabled software products and developer-facing platforms from San Francisco. Currently CEO of Theseus, he leads development of a sub-300g GPS-free positioning box that has demonstrated drift-free absolute localization on 50km+ Ardupilot flights. Ian combines hands-on software engineering—previously shipping embedded payments APIs and developer demos at Exact Payments—with startup studio experience building AI-driven products like ultramail.ai. A McGill software engineering graduate and Y Combinator S24 alum, he blends product-first thinking with deep technical execution across firmware, APIs, and system integration. Notably, his work focuses on making complex robotics and payment systems practical and developer-friendly in real-world deployments.
7 years of coding experience
2 years of employment as a software developer
S24, S24 at Y Combinator
Whitfield School
Bachelor of Science - BS, Major Software Engineering, Minor Economics, Bachelor of Science - BS, Major Software Engineering, Minor Economics at McGill University
Contributions:7 pushes, 1 branch in 3 years 3 months
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