Rajesh Kumar Pandey is a Principal Engineer at AWS, specializing in large-scale distributed systems and serverless computing. With over a decade of experience, he has designed resilient cloud architectures powering mission-critical applications used worldwide. He holds multiple patents in scalable task processing and event-driven systems and has authored articles for InfoQ, DZone, and IEEE. Rajesh is a frequent speaker at industry conferences such as P99 CONF and contributes to thought leadership through his Substack, Cold Starts, where he explores the realities of building production-grade serverless systems. His work bridges deep technical expertise with practical lessons for engineers navigating the complexity of modern cloud infrastructure.