OM Bank – QA Senior Performance Engineer Lead at Old Mutual South Africa

Job Description

• We are seeking an experienced QA Performance Engineer Lead with 10+ years of expertise in performance testing and system optimization. The ideal candidate will be highly proficient in scripting and executing performance tests using k6 and other industry-standard tools.
• You will work closely with development, DevOps, and infrastructure teams to ensure our systems are scalable, reliable, and performant under load.

KEY RESULT AREAS

• Design and implement performance test strategies for web, mobile, and API-based applications.
• Develop and maintain performance test scripts using k6 and JavaScript.
• Set up and run load, stress, spike, and endurance tests, integrating k6 into CI/CD pipelines (e.g., Jenkins, GitHub Actions, Azure DevOps).
• Analyze test results, identify bottlenecks, and provide data-driven recommendations to improve system performance.
• Create and manage test workloads, simulate real-world usage patterns, and define SLAs and KPIs.
• Integrate performance test monitoring with tools like Grafana, Prometheus, CloudWatch, or similar observability platforms.
• Conduct API performance testing to evaluate response time, throughput, and error rates.
• Collaborate with development and DevOps teams to ensure performance testing aligns with release cycles and production configurations.
• Document performance benchmarks and produce detailed reporting for stakeholders.

ROLE REQUIREMENTS

• 10+ years of experience in performance engineering and test automation.
• Strong hands-on experience with k6 or any performance testing tool (scripting, load profiles, thresholds, test orchestration).
• Proficiency in JavaScript (used in k6 scripting or any performance testing tool), with additional skills in Java or Python.
• Proven experience testing high-traffic web applications, REST APIs, and mobile backends.
• Familiarity with integrating performance tests into CI/CD pipelines.
• Experience working with cloud-based infrastructure (AWS, Azure, or GCP).
• Monitoring and observability knowledge using Grafana, Prometheus, or New Relic.
• Understanding of load balancing, caching, queuing systems, and backend bottlenecks.
• Exposure to API automation frameworks like REST Assured, Postman, or Karate.

Nice to Have

• Experience with other performance tools like JMeter, Gatling, or Locust.
• Exposure to container-based environments (Docker, Kubernetes) and test orchestration.
• Awareness of AI-driven performance analysis or auto-scaling strategies.

Skills

• Adaptive Thinking, Change Management, Data Analysis, Data Compilation, Executing Plans, Laboratory Testing, Policies & Procedures, Project Performance Management (PM), QA Methodologies, Regulatory Compliance Management, Report Review, Software Testing, Test Case Management

Competencies

• Builds Effective Teams
• Communicates Effectively
• Ensures Accountability
• Instills Trust
• Manages Complexity
• Optimizes Work Processes
• Organizational Savvy
• Plans and Aligns

Closing Date

• 10 December 2025