The Software Performance Engineer position involves working with internal development and QA teams to design, build, and maintain ARGO products using performance engineering strategies. They help improve system performance and reliability and also analyze performance issues and provide solutions for correction. The candidate must be able to collaborate with both business and technology personnel to comprehend and clarify business requirements, formulate comprehensive test strategies, develop input and expected output data, execute and evaluate test results, and support internal and external projects using the test cases.