Performance Engineer at Twitter

San Francisco, California, United States

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Currently looking for a Senior Performance Engineer who can:

• Write applications in Java / J2EE that can be used to test the product

• Modify the existing applications to simulate various implementations of SOA, RMI, Messaging, caching and Frameworks like Spring, Struts, Servlets, EJB etc.

• Develops end – end automation for installing the product / test applications, running load, measuring results and reporting them.

• Strong knowledge of Application servers like Websphere, Tomcat, JBoss and Weblogic

• Strong knowledge of J2EE frameworks like Struts, Servlets, Spring, EJB, Hibernate and Coherence

• Experience building automation in Java for running performance tests

• Experience simulating tests and doing analysis using tools like loadrunner, JProfiler, Byteman, Yourkit and Jmeter

• Must be comfortable in Linux environments

• Scripting experience in python is a plus