May 2015 – Mar 2017 · 1 yr 10 mos · 1050 Enterprise Way Sunnyvale, CA 94089

• Benchmarking of API’s and Spark Messaging hosted on Openstack cloud with Jmeter and Tsung.
• Executing suite of performance tests on each release to identify bottlenecks and regression.
• Day-to-Day monitoring and analysis of production data with AppDynamics – member of the core "Monitoring Team".
• Involved in measuring the backend Cassandra DB scaling and tuning the JVM GC engine.
• Generate scaling numbers per component to be plugged into "Capacity and Sizing Worksheet".
• Evaluation of RabbitMQ to validate the feasibility to replace existing design.
• Mentor and lead newly inducted team members to deliver on performance charter in timely manner.

Oct 2011 – Apr 2015 · 3 yrs 6 mos · 2421 Mission College Blvd, Santa Clara, CA 95054

• Benchmarking of De-dupe Backup software applications.
• Discovering/troubleshooting scaling issues like bottlenecks, deadlocks.
• Maintenance of Sizing metrics across releases.
• Regression reporting/follow-up and validation of fixes.
• Analysis and characterization of application/disk behavior across releases.
• Writing perl scripts on need basis to facilitate the performance infrastructure.

Dec 2000 – Aug 2011 · 10 yrs 8 mos · 2100 Seaport Blvd, Redwood City, CA 94063

• Benchmarked/Analyzed both carrier-grade Mobile and Messaging applications [WAP/WEB Gateways, Transcoders, Voice-Over-IP Solution, Email System, Multi-Media Solution, Media Servers, Video Optimization Solution].
• Provided Sizing and Capacity numbers related to Transactions-per-sec, Response Times, Throughput.
• Instrumental in discovering scaling issues and validating fixes.
• Reproducing customer issues in lab and responding with suggestions.
• Manual and Automated testing of Mobile/Web UI and Applications
• Member of distinguished "Deployment Technologies Group".
• Evaluation of third-party software and hardware.
• Generating performance reports for each release.