Claire Mccarthy is a technical lead and engineering manager with nine years of experience building large-scale backend systems at Google and Microsoft, currently driving engineering for Google Maps in the Greater Seattle area. She combines hands-on execution—evidenced by contributions to Apache Beam's dataflow worker, latency instrumentation, and thread-safety improvements—with people leadership across senior engineering roles. Her background spans cloud, real-time data processing, and customer-facing engineering from Microsoft’s CSE to production services at Google. Claire brings an analytical foundation from a dual Economics and Computer Science degree at Bowdoin College and a track record of turning execution-level insights into measurable performance gains. Colleagues describe her as a pragmatic engineer-manager who still dives into code to solve thorny distributed-systems issues.
9 years of coding experience
4 years of employment as a software developer
High School, High School at Holy Names Academy
Economics Computer Science; minor: Africana Studies, Economics Computer Science; minor: Africana Studies at Bowdoin College
Apache Beam is a unified programming model for Batch and Streaming data processing.
Role in this project:
Back-end Developer
Contributions:26 reviews, 6 PRs, 38 comments in 7 months
Contributions summary:Claire primarily contributed to the dataflow worker, focusing on latency instrumentation and performance improvements. Their work involved modifying the Dataflow execution state, including tracking processing times and active message metadata. The commits demonstrate an understanding of the dataflow execution model and its internal workings. The user also made changes to improve thread safety within the worker.
Apache Beam is a unified programming model for Batch and Streaming data processing.
Contributions:6 PRs, 49 pushes, 13 branches in 6 months
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Claire Mccarthy - Technical Lead And Engineering Manager at Google