Chad Lagore is a Principal Software Engineer based in San Francisco with 11 years of experience building and scaling data infrastructure for high-volume e-commerce. At Affirm he has progressed from engineer to principal, defining roadmaps and architectures that power over $25B in annual transaction volume while mentoring and growing teams up to 65 engineers. His expertise spans streaming and batch processing, data warehousing, privacy-aware replication, and decoupling microservice architectures to improve resilience and extensibility. Colleagues rely on him for architecture reviews and high-impact optimizations that bridge product goals and long-term operational sustainability. He brings a pragmatic blend of hands-on engineering and people leadership, with early career work on real-time pipelines handling ~500M daily events informing his production-first approach.
11 years of coding experience
12 years of employment as a software developer
Bachelor of Applied Science - BASc Computer Software Engineering, Bachelor of Applied Science - BASc Computer Software Engineering at The University of British Columbia
Engineering Transfer Program, Engineering Transfer Program at Mount Royal University
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Chad Lagore - Principal Software Engineer at Affirm