Sean Mccarthy
Senior Software Engineer at DataStax
Philadelphia, Pennsylvania, United States
Summary
👤
Senior🎓
Top SchoolSean Mccarthy is a Senior Software Engineer with a decade of experience building and hardening distributed systems at DataStax, where he progressed from intern to senior engineer focused on reliability and developer tooling. He brings practical expertise in backend engineering and test infrastructure, contributing notable improvements to the widely used apache/cassandra-ccm tool to standardize subprocess handling and improve cluster management reliability. Based in Philadelphia, he combines technical rigor with a mission-driven mindset—having worked with students in developing countries and prioritizing software that makes a measurable impact. Comfortable across the stack of databases, integration testing, and developer-facing utilities, he excels at refactoring complex codepaths to reduce fragility and improve maintainability. Sean’s dual degree background in computer science and economics underpins a pragmatic approach to trade-offs between performance, reliability, and developer productivity.
10 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS, Computer Science and Economics, Bachelor of Science - BS, Computer Science and Economics at University of Pittsburgh
Github Skills (12)
command-line-tool10
command-line-interface10
refactoring10
cli-tools10
cassandra10
python10
refactor10
subprocess10
cli10
command-line10
testing9
git8
Programming languages (3)
Github contributions (5)
apache/cassandra-ccm
May 2016 - Mar 2017
A script to easily create and destroy an Apache Cassandra cluster on localhost
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 commits, 16 PRs, 29 comments in 10 months
Contributions summary:Sean primarily contributed to the `ccm` (Cassandra Cluster Manager) tool, focusing on enhancing its functionality and improving code quality. Their work included separating concerns within the `ClusterUpdateconfCmd` and `NodeUpdateconfCmd` classes, adding new methods for managing logs and improving subprocess handling. They also refactored code to standardize subprocess spawning and improve the reliability of the tool, incorporating several fixes and refinements.
cassandralocalhostapachecassandra-clusterapache-cassandra
smccarthy788/ccm
May 2016 - Mar 2017
Contributions:55 pushes, 30 branches in 10 months
cassandralocalhostapachecassandra-clusterapache-cassandra
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