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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!