SUMMARY:

• I have 12+ years’ experience on testing/tuning/deploying cloud services and enterprise applications in performance test environments. Implemented CI/CD pipeline for performance testing and monitoring using open stack tools and cloud based solutions. Created cloud scalable performance testing framework using AWS EC2, Dockers, and Jenkins. Development experience using Springs/Struts/Hibernate framework. Expert at using load generation and analysis tools jMeter/Loadrunner, Gatling, Grinder, Graphite, Graphana, Kibana, ELK tools, Python, Chef/Puppet. Experience in using cloud computing for artificial intelligence/deep learning algorithms/big data using Scala/Spark/Spark ML/R Programming for generating models for predicting/forecasting load patterns in Production environments.
• Keen analytical and creative skills with excellent communication and presentation abilities. Performance engineering experience in traditional BFSI (Banking/Finance Services/Insurance), Retail Platforms (Digital Channel) and web - scale technology companies.
• Completed 20 hours Financial Engineering course on Coursera.org.
• ML enthusiast and understanding of performance impacts of machine learning. I am also looking for opportunities involving machine learning for financial domain. Exposure to R programming language, Pandas, Caffe, Torch, TensorFlow.
• Strong abilities in performance tuning, managing, modeling and analysisof application servers - Jboss, Websphere, Weblogic, Tomcat, databases - Oracle, Postgres.
• Strong abilities in cloud based application tuning and cost optimization of Amazon SQS, Dynamo DB, AWS S3/Glacier, ElasticSearch, Kinesis.
• Excellent proficiency with standard performance testing tools using JMeter, Loadrunner.
• Development experience in fixing code and resolving configurations to troubleshoot performance issues.
• Understanding of machine learning and performance impacts of ML.
• Working understanding of big data systems and in the process of creating monitoring best practices for big data systems.
• Good grasp of performance testing of networking technologies and storage technologies, third party subsystems.
• Created performance testing framework for Oltp and batch processing systems using Spring/Jenkins/Shell programming.
• Performance troubleshooting using APM like Symantec Precise, Wily Introscope, Dynatrace, AppDynamics, Sitescope,Splunk apart from tools like heap dump analyzers, thread dump analyzers and memory profilers for rapid performance troubleshooting.
• Superior skills in conducting and interpreting performance problems in Production systems.

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco

Sr. Performance Engineer

Responsibilities:

• Site Reliability (Performance) of Salesforce internal CRM solution offerings.
• Automated performance testing framework creation using Jenkins, GIT, jmeter, Salesforce internal cloud management tools (similar to Amazon EC2 management tools).

Confidential, San Francisco

Sr. Performance Engineer

Responsibilities:

• Site Reliability (Performance) of inventory management and warehouse management software.
• Automated performance testing framework creation for inventory management and warehouse management software.
• Application profiling and capacity management for migration to newinventory management and warehouse management software.
• Setting up production and performance monitoring.
• Update runbook according to findings from Performance testing.

Confidential, Plano

Sr. Performance Engineer

Responsibilities:

• Site Reliability (Performance) of search and browse applications for Confidential .com site.
• Performance benchmarking and comparison of components built using open source technologies Vs components working on ATG licenses.
• Ensuring the sunset of ATG licenses did not have any significant impact on enterprise applications.
• Automated performance testing framework creation for Search and Browse applications for Confidential .com site.
• Application profiling of new features and analysis of impact on Confidential search and browse application.
• Capacity estimation and benchmarking for migration of Search and Browse applications to Opensource platforms.
• Setting up production and performance monitoring.
• Update runbook according to findings from Performance testing.

Confidential, San Mateo

Sr. Performance Engineer

Responsibilities:

• Performance testing/tuning/deploying cloud services and enterprise applications for Confidential applications.
• Performance Analysis of multitenancy application for Verizon, AT&T, Sprint and Confidential carriers for Confidential mobile products. Lead a team of 4 performance engineers.
• Tuning application for high performance on android and iPhone devices.
• Implemented CI/CD pipeline for performance testing in cloud using jMeter, AWS, Jenkins, Graphite, Graphana, Elastic Search, Logstash, Kibana, Chef/Puppet
• Performance tested and sized applications for migration of applications to AWS Cloud. Also worked on proof of concept migration to Microsoft Azure cloud offering.
• Setting up production and performance monitoring.
• Performance testing of changes to third party software and measuring implication and impacts on all channel carriers.
• Post production monitoring of applications, performance tuning and support.
• Proof of concept of load prediction on production servers using ML and big data solutions.

Confidential, San Francisco

Performance Engineer

Responsibilities:

• Create and maintain performance testing framework for online payment systems (batch and OLTP systems).
• Publish performance comparison results for online payment systems (batch and OLTP systems).
• Application profiling of new applications and analysis of impact on online payments software.
• Tuning application for horizontal and vertical scalability.
• Setting up production and performance monitoring.
• Performance testing of changes to third party software and measuring implication and impacts on Alerts platform.
• Post production monitoring of applications and server responses for any performance related defects due to new releases.
• Worked on replicating production problems in load environment and offering solutions from observed metrics.

Confidential, Mountain View

Performance Engineer

Responsibilities:

• Performance tuning and benchmarking of new CAS and USP applications involving enterprise service bus, web services, data base and message queues.
• Application profiling of new applications and analysis of impact changes on existing production live applications.
• Tuning application for high scalability and high availability across multiple swim lanes.
• Setting up monitoring on production and performance environments.

Confidential, San Francisco

Performance Engineer

Responsibilities:

• Change Analysis around alerts systems.
• Application profiling of new applications and analysis of impact on the alerts software.
• Tuning application for horizontal and vertical scalability.
• Performance testing of changes to third party software and measuring implication and impacts on Alerts platform.
• Worked on replicating production problems in load environment and offering solutions.

Confidential, Pleasanton, California

Senior Quality Assurance Engineer

Responsibilities:

• Analysis of new business requirements on the performance of KP.org.
• JVM profiling of new JVM for MHPD application and analysis of impact on KP.org website.
• Measuring scalability of applications through stress test and analyzing the impact of peak loads on the availability of KP.org website with Loadrunner Analyzer.
• Creating scripts to create load by using LoadrunnerVUgen tool.
• Setting up counters for Sitescope and monitoring the sitescope counters in Loadrunner Controller / PerformanceCenter.

Confidential, Dallas

Programmer Analyst

Responsibilities:

• Development and Performance testing of, J2EE middle tier and Oracle database on Weblogic application following SOA architecture by using Loadrunner performance testing tool. Used Introscope for weblogic monitoring and Symantec Precise for database monitoring.
• Performace testing of Windows IIS Server with Delphi based web services.
• Network anaysis and TCP/IP trace using Ethereal.
• Performance testing of core Citi Mortgage decision engine and pricing engine webservices running on J2EE middle tier and Oracle database on Weblogic application following SOA architecture by using Loadrunner performance testing tool. Used Tivoli for weblogic monitoring and Symantec Precise for database monitoring.
• Performace testing of Windows IIS Server with Delphi based web services for program to convert xml data to PDF format documents.