Senior Performance Tester
Senior Performance Test Engineer
Location: UK (Remote / Hybrid)
Clearance: BPSS required, SC eligible or preferred
Salary - 48k-55k pa
Role Overview
We are looking for a Senior Performance Tester to deliver hands-on load and performance testing across large-scale digital services and backend applications, with experience of working with cloud-based distributed services.
This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success.
Key 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 execution runbooks
- Execute tests in cloud-hosted (AWS) non-production environments
- Raise performance defects with clear technical evidence
- Support CI/CD integration for performance testing where required
- Contribute to test reports, defect triage, and test completion evidence
- Work closely with developers, architects, platform, and operations teams
Essential Skills & Experience
- Strong experience in performance testing of enterprise systems
- Hands-on delivery using tools such as JMeter, Gatling, LoadRunner, k6 (or equivalent)
- Solid understanding of:
- APIs, HTTP, databases, messaging, caching
- Backend and distributed system performance characteristics
- Experience analysing logs and monitoring data
- Familiarity with Agile and hybrid delivery models
- Experience working in regulated or high-assurance environments
Desirable
- Experience with APM tools (e.g. Dynatrace, AppDynamics, Elastic Search with Kibana/Grafana across digital services)
- Public-sector or large programme delivery experience
- Familiarity with GDS
Scope & Accountability
- Responsible for hands-on performance test design and execution
- Owns quality and accuracy of assigned test artefacts and results
- Contributes analysis and recommendations but does not hold final assurance authority
- Works under the direction of a Lead Performance Tester or Test Manager
- Accountable for timely delivery of agreed performance testing activities
About Scrumconnect Consulting
Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter.