Justin Sweeney
Wiscasset, Maine, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Sweeney is a seasoned software engineering leader with nine years of experience building scalable search and data platforms, currently leading Data Platform efforts at FullStory and co-founding Upcell. He has driven large migrations of Apache Solr to Kubernetes, introduced gRPC microservices with Istio for scalable matching and search, and consistently blends hands-on engineering with team leadership. A strong Java and distributed-systems practitioner, Justin has contributed to the upstream Apache Solr project—improving SolrCloud state compression and replication resilience—showing a commitment to open-source improvements. His background spans building B2B data aggregation at ZoomInfo, mentoring engineers, and an early career in product-focused roles, reflecting both operational rigor and product sensitivity. Based in Wiscasset, Maine, he pairs a Trinity College BS in Math & Computer Science with a curiosity that once led him from pastry kitchens to production-grade infrastructure.
9 years of coding experience
13 years of employment as a software developer
BS, Mathematics and Computer Science, BS, Mathematics and Computer Science at Trinity College-Hartford
Stackoverflow
133reputation
12kreached
0answers
3questions
Github Skills (18)
lucene10
search-engine10
solr10
zookeeper10
backend10
testing9
cloud-computing9
java9
javas9
compression9
information-retrieval8
searching8
nosql8
cql6
jboss6
Programming languages (5)
Github contributions (5)
justinrsweeney/grpc-helloworld-demo
May 2019 - Oct 2021
Demo gRPC application deployed into GKE
Contributions:5 PRs, 8 pushes, 6 branches in 2 years 4 months
grpcgrpc-demogkedeployed
justinrsweeney/solr
Jul 2022 - Sep 2022
Apache Solr open-source search software
Contributions:11 pushes, 1 branch in 1 month
solrapachesearch-engineelasticsearchapache-solr
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