Performance Tester

Location: Remote within the UK (occasional travel to Newcastle, London, or Manchester as required)
Contract Type: Inside IR35
Rate: Up to £200/day
Eligibility: UK Citizens only (Minimum 5 years UK residency required)

We are seeking an experienced Performance Tester to support the delivery of high-quality, resilient software solutions within a major government programme. The role focuses on transforming traditional testing approaches into proactive performance engineering, leveraging modern tools and methodologies to prevent issues before they impact production systems.

The successful candidate will be responsible for performance testing, monitoring, bottleneck analysis, and performance optimisation across web applications and APIs, while collaborating closely with development and delivery teams.

Key Responsibilities

• Design, develop, and execute automated performance tests for applications and APIs.
• Assess system performance, scalability, reliability, and resilience.
• Identify performance bottlenecks and provide optimisation recommendations.
• Develop and maintain performance testing frameworks and scripts.
• Monitor application performance using Grafana and AppDynamics.
• Collaborate with development teams to troubleshoot and resolve performance issues.
• Integrate performance testing into CI/CD pipelines where applicable.
• Support post-deployment monitoring and performance validation activities.
• Create detailed test plans, test reports, and quality documentation.
• Contribute to Quality Plans and drive quality assurance best practices throughout the project life cycle.

Required Skills & Experience

• Minimum 3 years of automated performance testing experience.
• Strong hands-on experience with:
  • JMeter
  • K6
  • Gatling
  • Grafana
  • AppDynamics
• Strong programming/Scripting skills in:
  • Python
  • Java
  • Bash
• Experience with test automation frameworks and methodologies.
• Strong understanding of Agile/Scrum delivery environments.
• Excellent communication skills with the ability to engage both technical and non-technical stakeholders.