Kalen Krempely
Senior Software Engineer at Broadcom
California, United States
Summary
👤
Senior🎓
Top SchoolKalen Krempely is a Senior Software Engineer based in California with 8 years of experience building reliable, production-grade distributed systems and data pipelines. He has focused on databases and backend infrastructure—most notably contributing to Greenplum, an open-source distributed Postgres database, and designing Golang-based automation for ML training and in-place upgrades that emphasize crash-safe idempotence and enterprise stability. His background includes building real-time Kafka pipelines, high-performance C++ proxies, and full-stack tooling to provision and test cloud environments, showing comfort across languages and the stack. Meticulous and pragmatic, Kalen balances bold refactors with maintaining uptime for Fortune 100 customers. He brings formal engineering rigor from earlier roles in manufacturing and research, and a BS in Biomedical Engineering from UC Davis that hints at a strong analytical foundation beyond software.
7 years of coding experience
9 years of employment as a software developer
Bachelor of Science - BS Biomedical Engineering, Bachelor of Science - BS Biomedical Engineering at University of California, DavisSanta Rosa Junior College
Github Skills (96)
parallel10
postgresql10
data-warehouse10
sql10
database10
greenplum10
warehouse10
data-platform10
analytics10
machine-learning10
mpp10
golang9
programming-language9
spinner8
multiarch8
Programming languages (4)
Github contributions (5)
kalensk/gpupgrade
Dec 2018 - Oct 2023
Greenplum Database major version upgrade utility called gpupgrade
Contributions:24 PRs, 3986 pushes, 1080 branches in 4 years 10 months
postgresqldatabasegreenplumgreenplum-database
kalensk/gpdb
Aug 2018 - Jun 2023
Greenplum Database
Contributions:666 pushes, 293 branches in 4 years 10 months
mysqlsqlgreenplumdatabasegreenplum-database
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