Sherman Grewal is a software engineer with eight years of experience building backend systems and distributed infrastructure, currently based in New York and completing a Computer Science and Statistics degree at the University of Waterloo. He has delivered production features at companies from Datadog and Meta to early-stage roles at OnCall Health and Ada, and now contributes to Profound while bringing hands-on experience from multiple internships. Sherman is an active open-source contributor to CockroachDB, where he improved changefeed functionality—adding client certificate support for secure webhooks and enhancing ALTER CHANGEFEED capabilities—highlighting expertise in cloud-native, high-availability systems. Known for bridging academic rigor with pragmatic engineering, he combines strong backend and systems knowledge with a knack for shipping secure, scalable data pipelines. An interesting personal note: his GitHub bio cheekily identifies him as “@annoyingpr’s boyfriend,” suggesting a playful, collaborative presence in the developer community.
8 years of coding experience
4 years of employment as a software developer
Bachelor of Computer Science Honours Computer Science Co-Op Program, Bachelor of Computer Science Honours Computer Science Co-Op Program at University of Waterloo
CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.
Role in this project:
Back-end Developer
Contributions:44 reviews, 29 commits, 24 PRs in 3 months
Contributions summary:Sherman primarily contributed to the CockroachDB changefeed functionality, focusing on enhancements and bug fixes. Their work involved implementing client certificate support for webhook changefeed sinks, enabling secure communication. They also worked on filtering virtual computed columns from events by default and improved the SHOW CHANGEFEED JOBS query by showing the topic names. The user also added support for the ALTER CHANGEFEED statement for adding/dropping targets, altering options, and modifying the sink URI.
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