8 days old

Senior Performance Engineer

Five9, Inc.
San Ramon, CA 94583

Senior Performance Engineer


Join a company that has tripled annual revenues each of the past three years and is acknowledged by industry analysts as the pioneer in the next generation of cloud contact center solutions! The Five9 platform is reliable, secure, compliant, and scalable; designed to create exceptional personalized customer experiences.  For more information visit www.five9.com.


The Senior Performance Engineer will support Five9s Performance Engineering objectives. The candidate must be familiar with standard software development and quality processes, methodologies, and tools. Must have a proven track record of very high technical competence, which includes strong coding, analysis, troubleshooting and scripting skills. Must possess strong technical leadership abilities and ability to mentor peers and staff. This person would be required to work cross-functionally with several teams to ensure Five9 products meet/exceed customer expectation. The ideal candidate would have worked with software development and test automation teams to mimic production workloads, improve code base performance, reduce resource consumption and shorten request latency.



Key Responsibilities:

  • Responsible for making moderate to significant improvements of process, systems, or products to enhance performance and capacity

  • Translate performance specifications, requirements, criteria into effective designs

  • Ability to understand and articulate non-functional requirements into quantifiable, measurable test requirements

  • Create & maintain volumetric, workload models, and service level objectives

  • Create and manage application performance risks

  • Partner with Development and Architecture to implement performance best practices

  • Establish and ensure application of performance design principles & patterns

  • Knowledge of different types of performance strategies and tests and when to apply them to gain useful information on system performance characteristics and patterns

  • Ability to develop performance test scripts using open source (e.g. JMeter) and industry standard (e.g. HP LoadRunner) tools

  • Review and approve test design and test execution

  • Define performance monitoring requirements and alert thresholds

  • Develop performance diagnostic procedures

  • Drive triage of performance-related production incidents

  • Perform root cause analysis for performance problems

  • Identify performance tuning opportunities and remediation options

  • Provide required input to capacity planning activities


  • Knowledge of multiple application infrastructures and strong communication skills are required for this position

  • Possesses a strong background in performance engineering and analyzing multi-tier applications, and web applications

  • 7-10+ years experience in the performance testing and engineering discipline

  • 5-7+ years experience with various monitoring/profiling technologies

  • Bachelor's degree in Computer Science or related field required, Master's degree preferred or equivalent work experience

  • Proven ability to perform profile/baseline, load and stress testing

  • Proven ability to drill down into results and complete deep dive root cause analysis

  • Proven experience and best practices in requirements management, test case development, test analysis and reporting results

  • Excellent communicator, proven individual contributor, team-oriented


Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.


Our headquarters are located in the beautiful Bishop Ranch Business Park in San Ramon, CA.


Posted: 2020-10-12 Expires: 2020-11-11

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Senior Performance Engineer

Five9, Inc.
San Ramon, CA 94583

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