Senior Performance Engineer – Cloud-Scale Load Testing

Scrumconnect Consulting; Staines-upon-Thames; On-site; GBP 55,000 - 75,000; Full time

Job summary

Scrumconnect Consulting is seeking a Senior Performance Tester to lead hands-on load and performance testing across large-scale digital services and backend applications. You will work in cloud-based distributed environments, contributing to resilient and scalable outcomes.

The role emphasizes design, execution, and analysis of tests in AWS, with strong collaboration across engineering, architecture, and operations in a regulated, delivery-focused setting.

Qualifications

• Extensive hands-on load and performance testing of enterprise systems.
• Experience with cloud-based distributed services (AWS) and non-production environments.
• Familiarity with regulated or high-assurance environments is desirable.
• Strong ability to analyse logs, metrics and provide actionable recommendations.

Responsibilities

• Design and execute load, stress, volume, soak, and scalability tests.
• Analyse performance results, logs and system metrics to identify bottlenecks.
• Gather and validate performance NFRs, volumetrics, and capacity assumptions.
• Prepare and maintain performance test scripts and runbooks.
• Execute tests in AWS cloud-hosted non-production environments.
• Raise performance defects with clear evidence and reproduce steps.
• Support CI/CD integration for performance testing as required.
• Contribute to test reports, defect triage and evidence of testing.

Skills

Performance testing

JMeter

Gatling

LoadRunner

AWS

CI/CD

APIs

Debugging

Tools

JMeter

Gatling

LoadRunner

k6

Job description

Scrumconnect Consulting is seeking a Senior Performance Tester to lead hands-on load and performance testing across large-scale digital services and backend applications. You will work in cloud-based distributed environments, contributing to resilient and scalable outcomes.

The role emphasizes design, execution, and analysis of tests in AWS, with strong collaboration across engineering, architecture, and operations in a regulated, delivery-focused setting.