Karthik Raj is a Senior Software Engineering Manager in San Francisco with 12 years of experience building large-scale, data-intensive platforms across fintech, health tech, and SaaS. He has led end-to-end modernization efforts at Chime—designing data lakes, real-time Flink pipelines, and event schematization—that cut latency by ~99% and materially reduced fraud losses. A hands-on leader, he has driven platform reliability improvements (90% fewer incidents/alerts), patented a no/low-code ingestion system supporting 1,000+ pipelines, and standardized event schemas to enable self-serve analytics. His background spans high-throughput systems at Twilio and foundational data engineering at Datavant, giving him deep expertise in AWS, microservices, and real-time stream processing. Karthik combines technical craftsmanship with talent development, routinely mentoring teams to deliver cross-functional, product-aligned data solutions. He is pragmatic about trade-offs and focused on building scalable, operationally simple systems that unlock AI and personalization use cases.
12 years of coding experience
14 years of employment as a software developer
Masters Computer Science, Masters Computer Science at The Ohio State University
B.Tech Information Technology, B.Tech Information Technology at Anna University Chennai
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Karthik Raj - Senior Software Engineering Manager at Chime