Ramachandran Krishnan
Sr Principal Member Technical Staff at Oracle
Bengaluru, Karnataka, India
Summary
🤩
Rockstar🎓
Top SchoolRamachandran Krishnan is a Senior Staff Software Engineer and seasoned architect with nearly two decades of experience building high-performance, distributed, and secure systems across microservices, REST, and event-driven architectures. He has driven large-scale platform improvements at Oracle AI Data Platform—re-architecting services for multi-tenancy, cutting resource use by ~90%, and integrating Apache Ranger for fine-grained governance—while earlier roles at Groupon and Xactly focused on real-time indexing, caching, and cost-saving optimizations. A hands-on JVM and performance engineer, he’s known for pragmatic improvements in caching, messaging, and P99 latency observability that materially improved throughput and reliability. An active open-source committer to Apache Ranger and OCIFS, he has contributed security fixes, REST enhancements, and performance patches to projects widely used in big-data governance. Based in Bengaluru, he blends deep backend expertise with a strong security and compliance mindset, and he often surfaces non-obvious wins by shifting designs (e.g., single-tenant to multi-tenant) that deliver dramatic operational savings.
11 years of coding experience
11 years of employment as a software developer
State BoardBE Electronics and Communication, BE Electronics and Communication at Anna University Chennai
English, Tamil
Stackoverflow
248reputation
45kreached
9answers
1question
Github Skills (31)
api-rest10
tls1210
back-end-development10
api-design10
restful-api10
it-security10
apache-ranger10
tls1310
java10
security10
javas10
mtls10
libtls10
rest-api10
authentication9
Programming languages (3)
Github contributions (5)
apache/ranger
Sep 2022 - Jan 2023
Apache Ranger - To enable, monitor and manage comprehensive data security across the Hadoop platform and beyond
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:23 reviews, 20 commits, 2 PRs in 3 months
Contributions summary:Ramachandran primarily focused on bug fixes and enhancements related to the Apache Ranger roles cache and REST APIs. Their contributions included addressing issues in the role cache, resolving a 404 error in the REST API for adding users and groups to roles, and removing an unimplemented REST API. Furthermore, the user updated error handling in REST APIs to return appropriate HTTP status codes and implemented performance improvements in roles deletion operations, indicating a focus on both functionality and performance. The user also worked on security enhancements related to TLS version and restricting access logs.
javaapacheapache-rangerrangerauthz
ramackri/ranger
Sep 2022 - Sep 2024
Mirror of Apache Ranger
Contributions:3 pushes, 1 branch in 2 years
javaapacheapache-rangerranger
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