Ryota Egashira
Senior Engineer at NVIDIA
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolRyota Egashira is a senior engineer with over 15 years of experience building large-scale distributed systems, big data platforms, and cloud-native analytics for AI/ML and security domains. He has led platform and pipeline initiatives at Apple—creating massive, privacy-conscious Siri logging datasets and ML metadata search systems—and scaled Hadoop and Oozie at Yahoo to support 100K daily workflows. An Apache Oozie PMC member and committer, he contributes practical fixes and improvements to a widely used open-source workflow engine. Ryota blends deep academic training (Ph.D. in distributed systems) with hands-on engineering, shipping Spark/Flink/Solr-based solutions and Kubernetes microservices in production. He’s known for bridging research and production, mentoring teams on capacity planning and secure data architectures, and for quietly optimizing operational plumbing that enables ML at scale. Now based in the SF Bay Area, he continues to focus on DGX/cloud GPU platforms and metadata-driven ML tooling.
12 years of coding experience
22 years of employment as a software developer
University of TokyoUniversity of California, Irvine
Github Skills (9)
javas10
work-flow10
big-data10
oozie10
workflow-engine10
workflow-automation10
java10
hadoop9
javascript5
Programming languages (1)
Github contributions (3)
apache/oozie
Jan 2014 - Jun 2015
Mirror of Apache Oozie
Role in this project:
Back-end Developer
Back-end DeveloperContributions:62 commits in 1 year 5 months
Contributions summary:Ryota contributed to Apache Oozie, a big data workflow engine, by addressing various issues and implementing improvements. They focused on resolving child job link malfunctions in web applications, enhancing the handling of local cluster URIs in distributed cache configurations, and fixing EL function evaluation in coordinator applications. Furthermore, the user modified log messages within MapReduce actions and worked on improvements to the SLA functionality.
ooziejavascriptjavabig-data
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.