SUMMARY:

• Over 10+ years of experience that includes experience in performance engineering.
• Domain knowledge in Finance, Sales, Health Management and Marketing websites, ERP.
• Experience in finding memory leaks, Apache Cassandra and Confluence Kafka tuning CPU, troubleshooting in Vugen scripts, Performance Center (ALM), HP Analysis, HP Site Scope, HP Diagnostic tool, Dynatrace, CA Willy Interscope and Jmeter.
• Enthusiastic and detail - oriented Lead Performance Engineer specializing in Test Automation and supporting software products & applications. Self-motivated individual works well with customers, co-workers and all levels of management
• Currently working on Apache Cassandra, Apache Kafka, Apache Spark, Apache Storm
• Have extensive experience in creating, maintaining and performing Load, Stress, Failover, Capacity tests using LoadRunner, Jmeter.
• Experience in conducting Soak Test of Client Side Apps to find memory leaks
• Expertise in developing performance Load Distribution Models as per Production load
• Experience in Performance engineering using HP LoadRunner 12.0, JMeter, Performance Center, HP J2ee Diagnostic tool, SiteScope, LoadUI, Dynatrace, CA Willy, Ruxit, Perfecto, Oracle Web admin Console(Oracle Enterprise version).
• Monitoring and analyzing platform performance metrics and Server side logs (Response times, CPU & Mem Utilization of servers, App Server and Web Server logs, Load Balancer logs, Corestats, VMstats, I/O Stats, Throughput, Queue length, Thread count, tasks/transactions/sec, Hits per sec, JVM Heap Memory, Garbage Collections, Disk I/O, processes, processor, paging file, system, Page faults, swap mem, connection pools, Network, Netstat, live connections, sessions, etc.), other server resources and infrastructure related issues introduced in these projects during testing.
• Excellent knowledge and skills in test monitoring for transaction response times, web server metrics, Windows / Linux / AIX system resource, Web App, Server metrics, Database metrics, and J2EE Performance.
• Setting up monitoring metrics on all the servers like Web Servers, Weblogic/App Servers, Unix/Linux, Database, Load balancers, etc., using utility tools, cron jobs, JConsole and Dynatrace monitoring tool.
• Executing different types of Performance Tests with defined/derived user loads/transactional volumes captured from live/production over a period of time and business expected volumes over a period of time based on workload model. Types of performance tests include Benchmark, Standalone testing, Single user, Platform regression testing with normal and peak load, Endurance testing and Stress besides Paper Based Assessment
• Exposure in Hadoop / Big Data performance testing and Devops ansible.
• POC on Kafka tuning to get the right performance goal.
• POC on Casandra tuning to get the right performance goal.
• Excellent review comments on Performance testing through Clients - Confidential, Confidential, CITI, JP Morgan, G.E, and Confidential .
• Expertise in deriving Test Cases, developing and maintaining test scripts according to business specification given & Test Plan.
• Designed and customized complex search queries, Developed dashboards, reports and optimize their performance. Developed alerts and timed reports Develop and manage Splunk applications
• Experience in Siebel, Web Http/Html, Oracle NCA, Webservice,Citrix, and Tibco protocols
• Hands on experience in Integration testing & System testing, Performance testing Database testing.
• Hands on experience in handling the On-site applications & interacting with client review meetings & Brainstorm sessions with Technical team, Test lead & QC Deliver Manager
• Experience in monitoring Windows and Unix based App, Web and Database Servers
• Experience in analyzing LoadRunner Reports, finding and resolving bottlenecks using tuning process.
• Hands on experience in writing SQL, PL/SQL and Casandra for database performance testing, database connectivity, Oracle10g, configuring TNS file and connecting through TOAD.
• Strong analytical skills, logical, presentation skills with strong communication skill
• Set standards and technique in scripting, data preparation and test reports and also preparing checklists for scripting, scenario design, creating user stories, monitoring, test report preparations, etc.
• Ensure all backend and downstream systems are connected, environment availability and all functionalities are working fine.
• Setting up and attending daily stand-up calls to update the progress on Performance and Functional testing activities to various stakeholders and highlight the issues if any in terms of application stability, test data availability, third party downstream systems connectivity, middleware applications and environment issues and availability.
• Acts as bridge with other teams to resolve any bottle necks in team members’ activities.
• Good experience in preparing client specific daily and weekly progress reports of each work item and deliverables covering accomplishments, activities planned ahead, issues/risks identified, etc.
• Oracle Applications load testing suite" (OATS) used to generate test data for Oracle load testing.( OpenScript)

TECHNICAL SKILLS:

Operating System: Unix/Linux, Solaris and Windows.

Languages & ERPs: Java,, VB, C, PL/SQL, Springboot, bash scripting (Linux), Perl and Python and Ansible

Servers: Java Web Server, Web Logic, JBoss, Apache & Tomcat, and IIS Server, SiteMinder, Load balancers.

Testing Tools: HP LoadRunner, HP Performance Center & Quality Center, JMeter, MS LoadGen, Soasta, SoapUI & LoadUI, Perfecto.

Monitoring Tools: IBM Tivoli CA Wily Introscope, Dynatrace,, Oracle Enterprise Manager, PAL, Perfmon, HP Site Scope, AWR Reports, Splunk, Wire Shark, JProfiler, JConsole, JProbe, Unix, Solaris, GC Viewer.

Databases & Tools: MS SQL, Oracle, MS Access, Toad. Casandra(NOSQL)

Domains: Telecom, Banking, Retail, Health Care, e-Commerce

Other Tools: Visual Source Safe, Star Team.

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, Georgia

Performance lead

Responsibilities:

• Provide technical expertise and recommendations in terms of performance for system under testing ( Confidential Vehicle).
• Performance Validation of Mobile Application using Perfecto
• Performance Validation of Cassandra (Datastax version) set-up, provided tuning recommendation for Throughput and Latency.
• Performance Tuning of Dockerized environment, that includes tuning for Host and Docket Set-up
• Strong ability to analyze, track and understand where the application performance bottlenecks (application or network) and work with the appropriate engineering groups to resolve.
• Investigate application performance related issues and provide first level analysis and troubleshooting of systems involved like OSB, OSM, SOA, BRM, Siebel CRM, front end portals.
• Performance Testing of Windows Based Application and Web Based Applications using HTTP Protocol, Flex, and Web Services on heterogeneous environments like Windows, AIX, Linux etc.
• Analyze data contained in the application database and identify data integrity issues with existing and proposed systems and implement solutions.
• Monitored different Graphs like Transaction Response time and Analyzed Server performance Status, Hits per Second, Throughput, Windows Resources and Database Server Resources etc.
• Analyze requirements, prepare test plan, strategies, scripts, work load modeling, scenarios; execute performance, validation tests; monitor applications, servers/OS, create analysis reports, detailed call profiling including browser side performance and network; conduct memory, thread, CPU, I/O, AWR analysis; give insights on tuning and architecture.
• Perform and/or support code deployment in performance, validate environment for test and production readiness, data seeding using in-house capabilities and tools, building and maintaining DB baselines for performance benchmarks and baselines.
• Enhance the team's performance engineering and analysis capabilities to include component level performance - GUI, Web services (Middleware), Database (Oracle, SQL, and DB2), Network and Browser applications.
• Support Team activities - performance architectures, proof-of-concepts, technology evaluation, production monitoring, and issue diagnosis and root-cause analysis.
• Generate heap dumps and analyzing histogram and exploring GC Roots using Eclipse Memory Analyzer/Your Kit.
• Analyze JFR files for memory, CPU usage, garbage collections, thread activity and deep dive of other metrics on test and production environments to identify Application Layer Resource Contentions utilizing Oracle JMC.
• Perform thread Dump Analysis for stuck threads and to identify the methods or classes causing the thread contention.
• Analyze critical Performance Statistics captured by AWR reports for identifying Database related Issues affecting the Application Performance.
• Capture, Monitor and Analyze System and Application resources to identify bottlenecks at system and application layers
• Configurations changes to improve performance related to disk flush rate
• Tuned Kafka for GC and handling large messages that includes Broker configurations and Consumer Configurations
• Tuned Kafka JVM parameters, Broker and Consumer Configuration for handling medium to large message sizes and column..

Environment: Oracle 10g,/9i, HP Load Runner, J-meter, SOAPUI, LoadUI, HP Diagnostics, Web Services, Dynatrace, Apache Tomcat, J-boss, Spring boot, Jenkin, Robot-Framework, EM12c, Splunk, HP Sitescope, App manager, Apache Kafka, Casandra, Perfecto, Docker swarm.

Confidential, Baltimore, Maryland

Performance Lead

Responsibilities:

• Identify the Performance testing scenario with the help of client Domain experts.
• Worked closely with Development and Business team to get an understanding of the system architecture, system component interactions, application load pattern and the Performance SLA
• Analyzed the Performance Business requirements, functional specifications from Requirement documents and create ON CLICK DOCUMENT.
• Prepared Test Scenarios / Test Conditions in Planning & Design testing phase.
• Involved in preparing the documents for Performance test plan, Performance Test strategy.
• Proactively derived Test cases, test conditions, test data on Symphony User and executed effectively.
• Implemented performance test cases for testing the response time of the transactions, which covered both end to end test cases and test cases to test a specific functionality.
• Conducted RCA (Root cause Analysis) of various Performance issues identified during testing
• Tested the application on Role based Login, Create performance scenario depend upon client requirements
• Responsible for filtering the analysis file data based on the durations required.
• Generated detailed test status reports, performance/capacity reports, web trend analysis reports, and graphical charts for upper management.
• Independently develop Load Runner test scripts according to test specifications/requirements
• Worked on Probe and give the analyze performance issues (Hep-size, Database tuning and memory leakage)
• Monitored different Graphs like Transaction Response time and Analyzed Server performance Status, Hits per Second, Throughput, Windows Resources and Database Server Resources etc.
• Configured and Upgraded HP Load Runner 9.5/11.0/ 12.02 VuGen, Analysis, Controller and LR Agent on Load Generaor.
• Analyzed various graphs generated by Load Runner Analyzer including Database Monitors, Network Monitor graphs, User Graphs, Error Graphs, Transaction graphs and Web Server Resource Graphs
• Used HTTP Watch, Fidler, WebPage Test and other OpenSource for analyzing the HTTP Traffic
• Working on Performance center for execution and analysis of server data.
• Working on different scenario based performance testing with manipulated scripts.
• Enhanced the scripts by applying different techniques like Correlation, Parameterization, Recording Options & Run-time settings.
• Working on XML based scripts on loadrunner.

Environment: Oracle 10g,/9i, HP Load Runner, Quality Center, WebSphere, SOAP, J2EEDiagnostics 3.5, CA Wily Introscope, HP Diagnostics, Web Services, Jmeter.

Confidential

Performance Eng.

Responsibilities:

• Identified the PTS Framework Layers& discussions with Domain Experts, Business Analyst & end-users.
• Analyzed the Performance Business requirements, functional specifications from Requirement Documents and create ON CLICK DOCUMENT.
• Prepared Test Scenarios / Test Conditions in Planning & Design testing phase.
• Involved in preparing the documents for Performance test plan, Performance Test Strategy
• Proactively derived Test cases, test conditions, test data on Pay pal User and executed effectively.
• Strategized, developed the test-assets for the individual web-service performance testing and concluded with the test-results detailing the Performance issues with the SQL quires and helped the team in necessary modifications
• Executed stress, load and rendezvous scenarios for various applications and performed detailed test analysis reports using LoadRunner
• Monitored different graphs like Transaction Response Time and Analyzed Server Performance Status, Hits per Second, and Throughput.
• Supported the Development teams in evaluating the issue with data point scripts.
• Research in design methods to create scenarios for adequate test coverage
• Tested the application on Role based Login, Create performance scenario depend upon client requirements

Environment: UNIX,C++, Sql Server Hp Vugen, Clear Quest, Clear Case, Clarity, Auto Run, Genesis.

Confidential

Performance Testing

Responsibilities:

• Involved in identifying the Application architecture & discussions with Domain Experts, Business Analyst & end-users.
• Analyzed the Performance Business requirements, functional specifications from HLD document in Requirement Capture phase and create on click document.
• Prepared check lists for various processes in Analysis & Strategy testing phase.
• Prepared Test Scenarios / Test Conditions in Planning & Design testing phase.
• Involved in preparing the documents for Performance test plan, Performance Test Strategy, Performance Test Summary Report, Analysis report.
• Proactively derived Test cases, test conditions, test data on Siebel Entities and executed effectively.
• Tested the application on Role based Login, Create performance scenario depend upon client requirements & give the suggestion for Tuning, Diagnosis process.
• Involved to create the Performance script through Vugen and Run on the controller for different user and give the analysis result for different user to the client in different environments.
• Reviewed the documentation for accuracy & completeness using Traceability Matrix.
• Participated in client review meetings over phone with Test lead, QC Deliver Manager &
• Technical Team and validated the qualities of a system.

Environment: Siebel 7.8, SQL Server, Load runner, Ration Test manager, Rational Clear case.