Senior QA Engineer - Performance Testing

Job Title: Senior QA Engineer - Performance Testing

Paytm is India's leading mobile payments and financial services distribution company. A pioneer of the mobile QR payments revolution in India, Paytm builds technologies that empower small businesses with payments and commerce solutions. Paytm’s mission is to serve half a billion Indians and bring them into the mainstream economy through the power of technology.

About the Role

We are seeking a skilled Performance Test Engineer to design, execute, and analyze performance tests to ensure application scalability, stability, and responsiveness under varying load conditions. The ideal candidate will have hands-on experience with industry-standard performance testing tools and a strong understanding of system architecture, monitoring, and troubleshooting.

Expectations/ Requirements

• Develop comprehensive performance test strategies and plans aligned with system requirements, project timelines, and business goals.
• Understand application architecture and identify critical business transactions for performance validation.
• Design realistic workload models to simulate real-world usage scenarios.
• Create, maintain, and execute performance test scripts using tools such as JMeter, LoadRunner, Gatling, or similar.
• Conduct baseline, load, stress, and scalability testing to evaluate system behavior under different conditions.
• Monitor system performance using tools like Influx DB, Grafana, JVM monitoring tools, and MAT (Memory Analyzer Tool).
• Analyze test results to identify performance bottlenecks and system limitations.
• Collaborate with development and infrastructure teams to troubleshoot and resolve performance issues.
• Assess system scalability and recommend optimizations to improve performance and reliability.
• Generate detailed performance test reports, including metrics, findings, and actionable recommendations.
• Work with stakeholders to gather and validate Non-Functional Requirements (NFRs), SLAs, and KPIs.
• Perform API and service-level testing using tools like Postman and SOAP UI, including WebSocket testing.
• Communicate performance insights and recommendations clearly to both technical and business stakeholders.
• Superpowers/ Skills that will help you succeed in this role
• 3+ years of strong experience in performance testing and engineering Proficiency in tools such as JMeter, LoadRunner, Gatling, or equivalent
• Experience with monitoring tools like Grafana, Influx DB, JVM tools, and MAT Knowledge of API testing (Postman/SOAP UI) and WebSocket testing
• Solid understanding of system architecture, scalability, and distributed systems
• Experience in analyzing performance metrics and identifying bottlenecks Familiarity with NFRs, SLAs, and KPIs Strong analytical, problem-solving, and communication skills
• Ability to work collaboratively in cross-functional teams
• Why join us
• A collaborative output driven program that brings cohesiveness across businesses through technology
• Improve the average revenue per use by increasing the cross-sell opportunities
• A solid 360 feedback from your peer teams on your support of their goals
• Respect, that is earned, not demanded from your peers and manager

Compensation

If you are the right fit, we believe in creating wealth for you .With enviable 500 mn+ registered users, 21 mn+ merchants and depth of data in our ecosystem, we are in a unique position to democratize credit for deserving consumers & merchants – and we are committed to it. India’s largest digital lending story is brewing here. It’s your opportunity to be a part of the story!