Sarthak Shah is a Senior Software Engineer and engineering leader with deep expertise in large-scale distributed systems, real-time decision infrastructure, and cloud-native architectures.

He currently works at Amazon Ads, where he designs and leads mission-critical systems that operate in the ad serving critical path, processing billions of real-time decisions with stringent latency and reliability requirements. His work underpins core components of large-scale advertising infrastructure, including evaluation engines and data systems supporting global operations.

His experience spans multiple domains, including cloud compute platforms and browser infrastructure, with contributions to Chromium-based systems where performance and correctness are essential at internet scale.

Sarthak’s work increasingly focuses on the intersection of AI and production systems, particularly in areas such as governance, safety, and deploying AI in latency-sensitive environments. He is also actively involved in mentoring engineering.