Senior QA Engineer
RemotePakistan
Job Summary
Define and execute test automation strategies for API, backend, and UI testing while designing performance, stress, and load tests for high-throughput systems handling millions of transactions per second. Develop and maintain automated and manual test suites to validate SaaS integrations, API functionality, and AI-driven workflows, integrating these checks into CI/CD pipelines with DevOps teams. Implement security best practices for authentication validation and compliance adherence, then identify, document, and track bugs to ensure timely resolution. Collaborate cross-functionally with product managers and engineers to define acceptance criteria and mentor junior QA engineers, utilizing real-time monitoring tools for integration health and failure diagnosis.
Required Qualifications
- 5+ years of experience in software quality assurance, with a strong focus on test automation and performance testing
- Expertise in test automation frameworks like Selenium, Cypress, Playwright, or equivalent
- Strong programming skills in Python, Java, or JavaScript for test automation
- Experience with API testing tools like Postman, RestAssured, or similar
- Proven ability to test distributed, high-scale systems handling millions of transactions per second/minute
- Hands-on experience with performance testing tools like JMeter, Gatling, or k6
- Experience with CI/CD pipelines (GitHub Actions, Jenkins, CircleCI, etc.)
- Knowledge of cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)
- Familiarity with security testing practices for APIs and authentication mechanisms
- Strong problem-solving skills and ability to lead testing initiatives and mentor junior engineers
Desired Qualifications
- Experience with AI/ML-driven testing automation
- Hands-on experience testing iPaaS, SaaS integrations, or API marketplaces
- Familiarity with event-driven architectures, message queues (Kafka, RabbitMQ, etc.), and microservices testing
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