Jeffrey Carpenter
Engineering Leader at IBM
Scottsdale, Arizona, United States
Summary
🤩
Rockstar🎓
Top SchoolJeffrey Carpenter is an engineering leader with over two decades of experience turning product vision into production-grade architectures, currently leading teams that provision and manage Cassandra/DataStax clusters on Kubernetes at IBM. He blends hands-on backend engineering—having implemented REST APIs for the popular open-source Stargate data gateway—with strategic leadership in developer relations, platform design, and delivery of AI-enabled database features like vector search and NeMo integrations. Jeffrey’s career spans defense SOA and large-scale cloud systems (Choice Hotels) to launching Database-as-a-Service offerings, reflecting deep expertise in distributed systems, observability, and cost-optimized automation. He’s an author and active open-source contributor who uniquely pairs practical engineering (Cassandra adoption, Stargate REST work) with a gift for teaching and developer enablement. Based in Scottsdale, AZ, he focuses on making abstract architectures tangible so teams of varied experience can build, operate, and evolve complex systems reliably.
10 years of coding experience
29 years of employment as a software developer
The University of Arizona
Github Skills (15)
javas10
api-rest10
rest-api10
junit10
api10
rest10
java10
restful-api10
jtest10
cassandra9
cql8
wordpress-graphql7
wpgraphql7
grpc7
graphql7
Programming languages (14)
Github contributions (5)
stargate/stargate
Sep 2021 - Jan 2023
An open source data gateway
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 485 reviews, 132 commits in 1 year 4 months
Contributions summary:Jeffrey's contributions focused on enhancing the Stargate data gateway, particularly the REST API functionality. They implemented changes to improve the handling of column names and table names, ensuring support for mixed-case identifiers. Further work involved integrating and testing the REST API with the backend, refactoring test classes, and incorporating new types.
data-sourcecqlcassandragrpcdata-gateway
DataStax-Academy/developer-day-2019
Sep 2019 - Feb 2020
Contributions:23 commits, 20 pushes, 1 branch in 4 months
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