Senior Performance Tester

Scrumconnect LimitedStaines, EnglandOn-siteFull-timeSenior, 5–8 yearsListed 1 day ago

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About this role

Job Description

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.

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

Our Commitment to Diversity & Inclusion

At Scrumconnect Consulting, we believe that diversity drives innovation . We are committed to creating an inclusive environment where everyone is respected, valued, and supported. We actively encourage applications from women, people with disabilities, individuals from under-represented communities , and those seeking flexible working arrangements .

As a Disability Confident Level 1 employer , we provide reasonable adjustments throughout the recruitment process and employment to ensure equal opportunity for all.