Led performance testing of mission-critical vote counting systems ahead of a national election. The engagement required validating system stability under peak load conditions with absolute zero tolerance for failure. No second chances. No rollback option. No fix in the next release.
Working across multiple third-party supplier environments, our approach combined JMeter-based load testing with Oracle database query analysis to identify and resolve performance bottlenecks before election day.
Led a distributed test automation team across three countries simultaneously — the United Kingdom, Germany, and Luxembourg — delivering automation programmes across complex banking platforms in an Agile Scrum environment.
The engagement required managing significant cultural and operational differences across borders while maintaining a unified quality standard and consistent definition of release readiness across all jurisdictions.
Led performance testing across SAP S/4HANA finance, HR, and order management modules for a major UK energy infrastructure provider. Developed LoadRunner scripts, defined performance benchmarks, and collaborated with functional testing teams to ensure end-to-end coverage.
The engagement delivered clearly defined performance thresholds that gave the business confidence to proceed with a major ERP go-live — a decision with significant operational and regulatory implications.
Led performance testing for the OPF payment system, a high-volume transaction processing platform operating via WebSphere MQ. The engagement analysed system scalability, established stress thresholds, and assessed peak performance impacts across the full transaction lifecycle.
Working within a complex enterprise banking environment, we delivered a comprehensive performance test programme that gave the technology leadership team a clear, evidence-based view of system capacity and risk.
