Performance Tester

Job Description

Performance Tester

This is Worldline

We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. The solutions our people build today power the growth of millions of businesses tomorrow. From your local coffee shop to unicorns and international banks. From San Francisco to Auckland. We are in every corner of the world, in every part of commerce. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

Technical Skills Required

• Understanding of Performance Testing Concepts:
• Strong knowledge of performance testing methodologies, types (load testing, stress testing, volume testing, endurance testing), and performance metrics (throughput, response time, resource utilization).
• Performance Testing Tools:
• Proficiency in performance testing tools such as:
  
  

Load Testing Tools: JMeter, LoadRunner, NeoLoad, Gatling.

APM Tools: Dynatrace, New Relic, AppDynamics for monitoring and analyzing application performance.

Backend Load Testing Tools: Apache Bench (ab), k6 for HTTP load testing.

• Scripting Skills:
• Ability to create and modify test scripts using languages like Java, JavaScript, Python, or proprietary scripting languages supported by performance testing tools.
• Familiarity with Programming and Scripting:
• Basic coding skills to enhance the capability of writing automated test scripts and to facilitate debugging and extending performance tests.
• Understanding of System Architecture:
• Knowledge of client-server architecture, web servers, application servers, and databases to understand how performance can be impacted.
• Monitoring and Analysis:
• Experience with performance monitoring tools to analyze system performance metrics (CPU, memory usage, network IO, etc.) before, during, and after testing.
• Database Performance Testing:
• Understanding database performance testing concepts and ability to execute queries to assess database performance.
• Virtualization and Cloud Computing:
• Familiarity with virtualization tools (e.g., Docker, Vagrant) and cloud platforms (e.g., AWS, Azure) for simulating environments that mimic production scenarios.
  
  

Analytical Skills

• Data Interpretation:
• Strong analytical skills to interpret results from performance tests, identify bottlenecks, and provide actionable insights for optimization.
• Problem Solving:
• Ability to diagnose issues, analyze root causes of performance problems, and recommend appropriate solutions.
  
  

Experience Required

• Work Experience:
• Typically requires 2-5 years of experience in performance testing or a related field.
• Experience in software development or application support can also be beneficial.
  
  

Why Join Us?

At Worldline, we believe that embracing diversity and promoting inclusion drive innovation and success. We foster a workplace where everyone feels valued and empowered to bring their authentic selves. Through extensive training, mentorship, and development programs, we support your growth and help you make a meaningful impact.

Join a global team of passionate professionals shaping the future of payments technology—where your ideas, experiences, and perspectives are appreciated and celebrated.

We are an Equal Opportunity Employer.

We do not discriminate based on race, ethnicity, religion, color, national origin, sex (including pregnancy and childbirth), sexual orientation, gender identity or expression, age, disability, or any other legally protected characteristics. We are committed to creating a diverse and inclusive environment for all employees.

Learn more about life at Worldline at Jobs.worldline.com