Arun Ramani
Senior Staff Software Engineer at Prezi
Germany
Summary
🤩
Rockstar🎓
Top SchoolArun Ramani is a Senior Staff Software Engineer based in Germany with a long track record of building scalable infrastructure and analytics features across major platforms, from Microsoft and Splunk to Imply and Prezi. He specializes in back-end systems and performance tuning, with hands-on experience in identity and billing systems, query language work (SPL2), and real-time analytics. Arun contributes to high-profile open source projects like Apache Druid, where he improved cgroup-based CPU and memory metrics collection and helped harden task management—showing attention to low-level resource accounting and operational reliability. Having progressed from individual contributor roles to senior technical leadership, he blends deep implementation experience with pragmatic system design. His background in electrical engineering and a CS master’s from the University of Washington underpins a methodical approach to complex distributed systems and performance-sensitive code.
4 years of coding experience
20 years of employment as a software developer
Master's Degree Computer Science, Master's Degree Computer Science at University of WashingtonBachelor's Degree Electrical Engineering, Bachelor's Degree Electrical Engineering at University of Illinois Urbana-Champaign
Github Skills (10)
collections10
javas10
apache-druid10
data-collection10
cgroups10
java10
metric10
system-monitoring9
performance-optimization8
testing7
Programming languages (2)
Github contributions (4)
apache/druid
Oct 2021 - Oct 2021
Apache Druid: a high performance real-time analytics database.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:38 reviews, 3 commits, 13 PRs in 14 days
Contributions summary:Arun contributed to the Apache Druid project by implementing and modifying code related to cgroup metrics gathering for CPU and memory resources. They added functionality to collect data from `cpuset` cgroup files, including parsing and processing the data. Furthermore, they fixed a minor processor quota computation issue and updated relevant documentation. Their work also included updates related to exception handling for lock revocations within the task management system.
real-timebig-datadruiddatabasehadoop
arunramani/druid
Oct 2021 - Nov 2024
Apache Druid: a high performance real-time analytics database.
Contributions:2 PRs, 46 pushes, 8 branches in 3 years 2 months
real-time-analyticsanalyticssqlapachebig-data
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