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Principal Performance Test Engineer



Shape Security



Santa Clara, CA, US


We are security and web experts, pioneers, evangelists, and elite researchers. We believe in the power of the Internet to be a positive force; our mission is to protect every website and mobile app from cybercriminals. Shape’s founders fought cybercrime at the Pentagon, Google, and other leading security companies. We are backed by some of the most prominent leaders and investors in the technology industry including Kleiner Perkins, Google Ventures, and more. Come be a part of our unparalleled team that is responsible for making the Internet a safer place for everyone. 
Position Summary
Shape Security provides mobile and web security to industry leaders within multiple verticals, including financial services, airlines, hospitality, retail, and social media. Given the high profiles of the web properties and mobile apps that Shape Security protects, Shape Security places an extremely high value on quality. The Shape platform spans a diverse technology stack: networking, web protocols, web applications, mobile, cloud infrastructure and more.  We are expanding rapidly in the marketplace and need quality minded individuals with a bias toward automation to stay ahead of that growth while maintaining the utmost performance and reliability of our product offering.


    • Take ownership for developing performance and scalability test plans and cases, execute tests, conduct analysis and measurement of system performance collaborating with development engineering, product management and other test engineers.
    • Drive performance analysis at feature and component level to identify performance bottlenecks and regression.
    • Own performance testing across multiple platforms including maintaining testbeds  for accurate measurements. 
    • Identify, reproduce and isolate product issues by thorough debugging and performance analysis. 
    • Identify automation opportunities and implement automated testing utilizing currently deployed frameworks.
    • Identify gaps in existing performance test coverage in pursuit of 100% automated testing goal.
    • Work on complex performance issues in the customer environment, as and when escalated from the customer success team.  
    • Collaborate with cross-functional teams to clearly communicate status, determine acceptable performance parameters and publish those numbers on an ongoing basis.

Required Qualifications

    • Significant experience using Python, Pypi and Python based frameworks for performance test automation (pytest, etc.).
    • Familiarity with performance issues (e.g., memory leaks),  debugging tools both front-end and backend.
    • Strong knowledge of network performance, Unix/Linux environments, web protocols, web applications, mobile and cloud performance benchmarking.
    • Knowledge of infrastructure setup/maintenance of apache web server, docker
    • Familiarity with test case and issue tracking systems (TestRail, Jira) and source control systems (Git).
    • Effective collaborator - demonstrated history of engaging effectively with others inside and outside immediate group to drive results
    • Adaptable - able to ‘get the job done’ in the face of ambiguity

Desired Qualifications

    • Knowledge of performance tools like flame graph, jstack, jvmtop, wrk4, prometheus/grafana etc is a plus
    • Traffic clients, prometheus/grafana data collection, dashboards is a plus
    • Javascript knowledge/experience is a plus
    • Docker knowledge/experience is a plus
    • Cloud infrastructure (AWS, GCP) knowledge/experience is a plus

Shape in the news

      • Shape Security eyes IPO after raising $51 million at $1 billion valuation:
      • Shape recognized as the fastest-growing company in Silicon Valley:
      • Shape made the list for top AI 100

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