Andrey Parfenov is a seasoned software engineer with 12 years of experience building high-impact systems at major technology companies, currently contributing to DoorDash after stints at Google and Microsoft. He has deep roots in systems and native development, demonstrated by a long history of C++ and cross-language work across security and performance-focused teams from Kaspersky and Positive Technologies to enterprise software at PTC. Based in Bellevue, WA, Andrey combines applied mathematics training from Lomonosov MSU with practical engineering chops to solve complex backend and performance challenges. His career shows a consistent progression from low-level, performance-critical development to scalable product engineering at consumer-facing platforms, reflecting both technical depth and adaptability.
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