Senior QA Engineer – Performance Testing

Position Overview We are seeking a hands-on Senior QA Engineer to lead performance testing across APIs, web applications, integrations, and background processing. This role will focus on identifying performance bottlenecks, improving scalability, and supporting test automation migration to Playwright. Key Responsibilities Design and execute load, stress, endurance, spike, and concurrency tests. Develop performance test scripts, workload models, and reusable testing frameworks. Analyze latency, throughput, error rates, and system bottlenecks using monitoring and diagnostic tools. Identify root causes and validate performance improvements. Perform API testing and validate asynchronous, batch, and integration workflows. Migrate Mabl and manual test cases to Playwright using TypeScript/JavaScript. Build reusable automation components using Page Object Model (POM), fixtures, and shared utilities. Integrate and optimize automated testing within Jenkins CI/CD pipelines. Required Qualifications 5+ years of performance, scalability, or reliability testing experience. Hands-on experience with JMeter, Gatling, LoadRunner, Locust, k6, or similar tools. Experience testing APIs, distributed systems, asynchronous processing, and batch workloads. Strong performance analysis and troubleshooting skills using Splunk, Datadog, Dynatrace, AppDynamics, or similar tools. 5+ years of web test automation experience, including framework development. Strong JavaScript/TypeScript and Node.js skills. Experience migrating test suites to Playwright. 5+ years of REST API testing experience. 5+ years working with Jenkins, Git, and CI/CD pipelines. Familiarity with Zephyr and Agile methodologies. Bachelor's degree in a related field or equivalent experience. Preferred Qualifications Experience with Mabl to Playwright migration. Experience optimizing parallel test execution. Knowledge of JVM, SQL, PL/SQL, or WebSphere Application Server. Experience establishing performance-based release gates.