Karthik Ramasamy is a seasoned engineering leader and entrepreneur with over two decades of experience building large-scale streaming and big data systems, currently heading Streaming at Databricks. He co-founded two startups (one acquired by Twitter, another by Splunk), led the creation and industry adoption of Twitter Heron—an Apache incubating, high-performance stream processor—and contributed code and deployment tooling to the Heron open-source project. A PhD-trained technologist, he blends hands-on backend and DevOps expertise (Hadoop, Cassandra, AWS, real-time query execution) with product and business acumen from fundraising to M&A. He taught CS186 at UC Berkeley to groom the next generation of data engineers and holds ten patents plus a best-selling book on network routing. Known for spotting systemic limitations in existing systems and architecting pragmatic, resource-efficient alternatives, he repeatedly delivers order-of-magnitude performance and cost improvements in production.
11 years of coding experience
21 years of employment as a software developer
B.E Computer Science and Engineering, B.E Computer Science and Engineering at College of Engineering, Guindy, Anna University, Madras, India
Ph.D Computer Science, Ph.D Computer Science at University of Wisconsin-Madison
M.S Computer Science, M.S Computer Science at University of Missouri-Kansas City
Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter
Role in this project:
Back-end Developer & DevOps Engineer
Contributions:20 releases, 732 commits, 483 PRs in 3 years 1 month
Contributions summary:Karthik made significant contributions to the codebase by reverting and incorporating new changes related to core command-line interface functionalities and internal configuration settings. They also made changes involving the deployment and management of the project. The changes indicate that the user worked on both the core application logic and the tooling necessary for building, deploying, and running the application, making it a combination of backend and devops work.
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Karthik Ramasamy - Head Of Streaming at Databricks