OM Bank – QA Senior Performance Engineer Lead

2 weeks ago

Cape Town, Western Cape, South Africa Old Mutual Limited Full time R1 200 000 - R1 800 000 per year

Let's Write Africa's Story Together

Old Mutual is a firm believer in the African opportunity and our diverse talent reflects this.

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 TeamsCommunicates EffectivelyEnsures AccountabilityInstills TrustManages ComplexityOptimizes Work ProcessesOrganizational SavvyPlans and Aligns

Education

Closing Date

08 November 2025 , 23:59

The appointment will be made from the designated group in line with the Employment Equity Plan of Old Mutual South Africa and the specific business unit in question.

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