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Performance Engineer Resume

SUMMARY

  • I am a Performance Engineer that specializes in data analytics and incident analysis with experience in developing.
  • I've observed and analyzed applications in Foglight and utilized traces to determine problem methods for transactions.
  • Configured and utilized Dynatrace to monitor the cpu, memory, network utilization, and transaction monitoring.
  • Utilized AppDynamics to monitor the performance and availability of an application.
  • Have created and executed scripts with Jmeter and Loadrunner to perform various tests on web applications.
  • Created personalized Dashboards in Grafana to monitor the response times and traffic information for applications.
  • Employed Jvisualvm for more in depth monitoring of the heap, garbage collection, cpu utilization, and thread utilization of java programs.
  • Extensive experience with Java, Servlets, JDBC, PL/SQL, HTML, Bootstrap, and Javascript.
  • Structured and styled webpaged with HTML and CSS
  • Utilized Bootstrap's grid system to create responsive layouts that fit both desktop and mobile platforms
  • Leveraged Javascript to increase the interactivity of web applications
  • Implemented both Ajax requests and the Fetch API in my Javascript to make requests to a server
  • Created a Tomcat Server on an Amazon EC2 with an Ubuntu machine image
  • Hosted an application on this Tomcat Server with an integrated pipeline established through Jenkins
  • Utilized Git for project management and triggering automated builds to an integrated pipeline
  • Created Servlets that utilize the Front Controller Design Pattern to create a single point of access
  • Utilized Java to create the Web Tier and Business Tier of web applications
  • Constructed a Connection Pool to enhance the performance of accessing the database
  • Leveraged JDBC to dynamically connect the client to our database to persist their data
  • Primarily utilized Callable Statements and Prepared Statements to sanitize input and prevent SQL injection
  • Utilized SQL Developer to write PL/SQL scripts that encapsulated the Data Tier
  • Leveraged MD5 password hashing in order to provide protection to the user's passwords
  • Designed JUnit Test Suite to test applications
  • Knowledgeable about Agile Software Development such as the Scrum framework
  • Utilized Jstat and Jmap to monitor java programs' garbage collection utilization and heap
  • Employed Jvisualvm for more in depth monitoring of the heap, garbage collection, cpu utilization, and thread utilization of java programs
  • Created and executed scripts with Jmeter and Loadrunner to perform Load tests on web applications
  • Worked with HP Application Lifecycle Management to acquire the response times for specific use cases
  • Utilized Foglight to take traces of problem transactions and determine what method in the call tree was the issue
  • Created scripts in Powershell to determine whether a server could still send network traffic to all the servers that it was intended to be able to communicate with
  • Utilized AppDynamics to monitor the performance and availability of an application
  • Configured Dynatrace with the AWS EC2 to monitor the cpu, memory, and network utilization

TECHNICAL SKILLS

Front End: Fetch API, Javascript, Lighthouse Chrome Extension, Bootstrap, CSS, HTML, AJAX

Back End: Log4j, JDBC, Servlets, Linux, Java, PL/SQL

DevOps: Tomcat, Jenkins, Git, Maven, Amazon Web Services, Scrum

Performance Testing/Monitoring: Dynatrace, Appdynamics, Jvisualvm, Load Runner, Jstat, Jmap, Jmeter, Grafana, Foglight

PROFESSIONAL EXPERIENCE

Confidential

Performance Engineer

Responsibilities:

  • Utilized Scrum principles and held a Daily Standup to keep track of progress, tasks yet to be performed, and current blockers in the way of each team
  • Leveraged Postman to test the HTTP Requests to each Web Service's API
  • Thoroughly tested the performance of Project 2's under various loads utilizing Jmeter with Perfmon, Blazemeter, and Loadrunner
  • Made use of Selenium Webdriver for additional tests on applications.
  • Identified various performance Bottlenecks in each project and selected the project that would benefit most from performance optimization
  • Minimized the amount of Javascript required to load each page to improve the user's load times
  • Implemented a Connection Pool to reduce the overhead caused by creating a connection
  • Reduced the creation of new objects in Java and cached information where it would improve the user experience
  • Created Junit tests to test each piece of code and ensure intended functionality
  • Leveraged JDBC request in Jmeter to test response time of the database for specific queries
  • Utilized git for version control of the project
  • Pushed the project to a Continuous Integration Pipeline with Jenkins
  • Configured Dynatrace with the AWS EC2 to monitor the cpu, memory, and network utilization

Cognizant

Performance Engineer

Responsibilities:

  • Utilized Dynatrace to monitor the response times of specific transactions
  • Troubleshooted Performance issues utilizing data from Foglight to inspect traces, the server, and application specific data
  • Leveraged Grafana to monitor applications and determine whether there was a performance loss post - migration
  • Created scripts in Powershell to determine whether a server could still send network traffic to servers that it was intended to be able to communicate with
  • Modified a dashboard utilizing Jquery and HTML to allow employees to load logs and see application server information
  • Wrote Regex to parse logs into a usable format for the backend of Grafana
  • Employed Fiddler and Google's Networking tab to inspect traffic being sent and determine the front end response time for specific transactions
  • Ran tests in HP Application Lifecycle Management to acquire the response times for specific use cases
  • Created reports analyzing data compiled from applications
  • Utilized Splunk to gather response times based on the referer domain and created charts in excel

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