QA Engineer - System Performance

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Publish Date: Nov 25, 2021

Location: Noida, New Delhi, FR

Company: worldline

About Worldline
Worldline [Euronext: WLN] is the European leader in the payments and transactional services industry and #4 player worldwide. With its global reach and its commitment to innovation, Worldline is the technology partner of choice for merchants, banks and third-party acquirers as well as public transport operators, government agencies and industrial companies in all sectors. Powered by over 20,000 employees in more than 50 countries, Worldline provides its clients with sustainable, trusted and secure solutions across the payment value chain, fostering their business growth wherever they are. Services offered by Worldline in the areas of Merchant Services; Terminals, Solutions & Services; Financial Services and Mobility & e-Transactional Services include domestic and cross-border commercial acquiring, both in-store and online, highly-secure payment transaction processing, a broad portfolio of payment terminals as well as e-ticketing and digital services in the industrial environment. In 2019 Worldline generated a proforma revenue of 5.3 billion euros. worldline.com


Software QA Engineer – System Performance is part of the distributed Software Quality team in charge of the overall qualification and validation of cloud-based Payment Platform as a Service solutions.  Software QA Engineer is embedded in the End to End Validation team in a Safe Agile Train. He deals with a broad range of activities related to non-functional validation (performance, load testing, resilience, cross-browser compatibility, etc…). He is responsible for the non-functional part of test strategy, as well as its execution : test planning, test coding, running tests, trouble shooting, tool and framework development. He works in close collaboration with devops, SREs, and developers to improve the overall quality of PPaaS deliverables.



  • Contribution to the definition of the overall test strategy (layers, approaches, technologies, methods, tools, etc…),
  • Definition, formalization and review of test plans,
  • Development, coding, execution, maintenance and evolution of test cases,
  • Execution of test campaign, analysis of the results, debug and troubleshooting, support of development teams,
  • Automation, integration in the CI/CD,
  • Bug tracking, analysis and introspection of the test plan, continuous improvement,
  • Development of test frameworks, environments, test tools, mockups, spikes, stubs, etc…





  • Master of Technology or equivalent,
  • At least 3 years of experience in verifying/validating complex software-based systems, ideally delivered as a Service,

Technical skills:

  • Good understanding of cloud-based architecture (AWS or GCP or equivalent), and container orchestration (ideally Kubernetes),
  • Prior experience with Load testing tools (K6, JMeter, Gatling,...),
  • Good programming skills, fair knowledge of Java & javascript,
  • Familiar with web drivers and front-end testing tools (Selenium, Cypress, etc…),
  • Familiar with test management and automation tools (X-Ray, Robot Framework, etc…),
  • Familiar with API testing tools (Postman, Insomnia ) and with API automation tools (Restassured,…),
  • Experience with CI tools and building pipelines (Jenkins, Gitlab, Maven, etc…),
  • Experience with bug tracking tools and associated lifecycles, as well as with collaborative tools (Atlassian Jira, Confluence),
  • Fair knowledge of Databases (SQL and even better No-SQL),
  • Familiar with scripting languages (Python, etc...).
  • Team player. Ability to contribute in an autonomous way. Pro-active, problem solver. Respectful of other’s contributions.
  • Fluent in English. Understanding French is a plus.

The 20 000 employees of Worldline are all different but share the same values. You can see it in the way we behave. We are curious and humble – we are learning every day, we keep things simple and everyone engaged. In our fast-moving industry, we are adaptable and life-long learners. Everyone demonstrates the same dedication to quality and efficiency. We have an entrepreneurial spirit and sense of service. Above all, we never turn our back on a challenge. These values nurture a dynamic and innovative team where everyone can develop and grow

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