Performance Test Engineer

  • Tokyo
  • Remote OK - Anywhere in Japan
  • Full-time
  • February 29, 2024
6,500,000 - 10,000,000 JPY /yr
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Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Mid-level or above

Job Description

  • Design, maintain and enhance performance testing framework components.
  • Develop a comprehensive performance testing strategy, including detailed Non-Functional Requirements (NFR). Translate the requirements into appropriate test scenarios.
  • Collaborate with engineering and product management teams to define performance requirements for new feature releases.
  • Design, script and execute load, stress, stability, and scalability testing and deliver comprehensive reports to the project team
  • Review all performance test activities, write tests, test execution, collect metrics, create and manage testing schedules, report results and problems, and maintain documentation.
  • Review, analyze and document test results and metrics with recommendations to the engineering leaders and senior managers of the engineering team.
  • Analyze major changes introduced to our product, and assess potential performance impact to define level of performance testing needed
  • Drive performance and load test operations towards a CI pipeline model to support continuous performance improvements.
  • Gain a technical and functional understanding of our product architecture. Become part of the ongoing performance improvement of our products.
  • Coach and assist other junior performance analysts with test strategies, technical issues with creating and executing performance tests, and test result analysis


  • At least 5 years of experience with performance test simulations, performance analysis, and performance monitoring.
  • Strong understanding of performance test methodologies.
  • Experience with performance testing tool, such as JMeter, LoadRunner, and Gatling.
  • Ability to understand and analyze technical specifications. Experience in designing and creating test cases.
  • Hands-on Experience in Agile Scrum and Waterfall Software Development Lifecycle.
  • Well versed in using Continuous Integration and Continuous Development tools, like Jenkins/Bitrise or any other.
  • Able to manage multiple work streams, independent, able to communicate well in both written and spoken form.
  • Strong data analysis and post processing skills to validate system performance.
  • Broad experience working in cross-functional teams to drive product development.
  • Experience in creating test strategy and test plans, and executing performance and load testing activities for large-scale, enterprise-class applications.
  • Experience in designing and developing automated reporting.
  • Willing to work in a highly dynamic environment with tight deadlines and ever changing priorities.

※Please note that during the QA selection process, you will have an online test.

Preferred Qualifications

  • ISTQB or equivalent certificate. ISTQB (Specialist) Performance Testing is a plus.
  • Practical experience in AWS services.
  • Experience in testing mobile applications (Android and iOS).
  • Experience in working with microservices
  • Experience in proposing and introducing new QA tools in the test process.
  • Experience in the development or QA of systems in the financial and/or payment sector.
  • Experience in bash or other CLI scripting
  • Curiosity and passion about learning new technologies is a definite plus.

PayPay 5 senses

PayPay, a fintech company that achieved more than 47M users within around 3 years since its launch in 2018 has hugely diversified employees who are from 40 different countries.

Our biggest competitor is "cash". We are seeking for people who can accept this challenge positively, brush up the product at a tremendous speed that other companies could never achieve, and who are passionate about promoting and spreading such a financial life platform in a short time along with professionalism.

PayPay’s policies during COVID-19 are as follows:

  • PayPay has been transitioning to remote work to ensure employees safety during the pandemic, and we’ll continue this even after it subsides.

  • While we’re open to considering engineers looking to relocate to Japan, travel restrictions have made it difficult to give a clear timeframe for relocation.

  • Until COVID-19 is settled and we're ready to issue visas, you can start working remotely from abroad.

View PayPay's company page

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Performance Test Engineer at PayPay