Senior QA- Performance Testing

Job Title: Performance Test Engineer / Performance QA Engineer

About Us-

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.

Job Summary-

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.

Key Responsibilities-

-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 InfluxDB, 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.

Performance Testing Lifecycle Responsibilities-

-3+ years of understanding system architecture and components

-Identify critical user journeys and transactions

-Design workload models and test scenarios

-Prepare and validate test scripts

-Execute baseline tests

-Perform load, stress, and endurance testing

-Monitor application and infrastructure performance

-Analyze results and provide recommendations

Required Skills & Qualifications-

-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, InfluxDB, 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