Performance tester Work, Jobs in England (with Salaries)

Non-Functional Tester (Performance & Accessibility)
Cognizant —London
- Full-time
- Hybrid work
- Azure
- AWS
- APIs
QA - Device Tester
Radius Limited —Crewe
- Full-time
- Organisational skills
- Software development
- Agile
- Employee assistance programme
Quick apply
Senior Performance Tester (SC Eligible/ Cleared)
Scrumconnect Consulting —Staines-upon-Thames
- £50,000 a year
- Full-time
- AWS
- APIs
- Agile
Senior Automation Tester
DLA Piper —London
- Mentoring
- Scripting
- APIs
Senior Accessibility Tester
Atos —London
- JavaScript
- Communication skills
- HTML
- Annual leave
Junior QA Analyst - Old School RuneScape
Jagex —Cambridge
- Full-time
- Hybrid work
- Communication skills
- Annual leave
- Flexible schedule
1d
Senior Automation Tester
Answer Digital —Leeds
- Hybrid work
- Azure
- Java
- AWS
- Annual leave
Test Automation Engineer
Scrumconnect Consulting —London
- £40,000 - £50,000 a year
- Azure
- Java
- SQL
Senior Consultant, Salesforce Testing
Kate Matthews Solutions —London
- £40,000 - £60,000 a year
- Salesforce
- Agile
Principal Automation Test Consultant
Scale Factory —London
- Hybrid work
- Azure
- Java
- AWS
- Annual leave
Service Validation and Testing Manager
Advisory, Conciliation and Arbitration Service —Birmingham
- £50,920 - £53,980 a year
- Full-time
- Presentation skills
- Leadership
5d
Programme Test Manager - Principal Consultant
Scale Factory —London
- Hybrid work
- DevOps
- JavaScript
- AI
- Annual leave
Software Developer in Test - C3
Scale Factory —London
- Hybrid work
- Communication skills
- Annual leave
12d
Senior Test Engineer (up to £81,736)
Department for Education —London
- £58,185 - £62,336 a year
- Part-time
- Analysis skills
- Presentation skills
- Mentoring
6d
Lead Software Developer In Test - Lead Consultant
Scale Factory —London
- Hybrid work
- Azure
- Java
- JavaScript
- Annual leave
Infrastructure Test Engineer (DV Security Clearance)
CGI —Basingstoke
- Full-time
- Windows
- Analysis skills
- Continuous improvement
Quick apply
(UK)Principal Engineer - Test
Codvo.ai —Cambridge
- Azure
- Product management
- APIs
Senior Professional Tester, Actuarial Systems
Pacific Life Re Services Limited —London
- Microsoft Word
- Analysis skills
- Continuous improvement
- Annual leave
- Employee assistance programme
Quick apply
11d
Quality Assurance – Performance Tester
InfoSum —Basingstoke
- Hybrid work
- Azure
- AWS
- APIs
Application Tester
Digital Beehive —Leeds
- £30,000 - £35,000 a year
- Full-time
- Hybrid work
- Azure
- SQL
- JavaScript
- Work from home
- Life insurance
Quick apply

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Non-Functional Tester (Performance & Accessibility)

Cognizant -
London

Apply Now

Job details

Full-time

Qualifications

Azure
Performance testing
AWS
WCAG
APIs
Apache
Jenkins
GitLab

Full job description

The Non-Functional Tester is responsible for validating the performance, scalability, reliability, and accessibility of enterprise applications. The role designs and executes non-functional test strategies, analyses results, and partners with engineering and business stakeholders to ensure systems meet defined non-functional requirements (NFRs).
Candidates should be SC Eligible (5 Years in UK )
Key Responsibilities

Understand Non-Functional Requirements (NFRs) and scope from client documentation.

Develop and maintain non-functional test strategies and plans aligned with business and technical objectives.

Design and execute performance tests using tools such as JMeter, Azure Load test to evaluate system scalability and reliability, reporting using Blaze meter

Perform accessibility testing using Wave, Axe to ensure compliance with WCAG and other accessibility guidelines.

Analyse test results to identify trends, patterns, and areas for improvement in system performance.

Prepare detailed test reports, including metrics such as response times, throughput, and defect summaries.

Collaborate with developers, architects, and business analysts to resolve non-functional issues and optimize system performance.

Conduct load, stress, soak, and spike testing to validate system behaviour under varying conditions.

Integrate non-functional tests into CI/CD pipelines to enable continuous performance validation.

Define non-functional acceptance criteria and service-level objectives (SLOs) in collaboration with stakeholders.
Required Skills

Should have experience in non-functional / performance testing of enterprise web and API-based applications.

Hands-on expertise with performance testing tools such as Apache JMeter and Azure Load Testing, with result analysis and reporting in BlazeMeter.

Experience with accessibility testing tools such as WAVE and Axe, and a working knowledge of WCAG 2.1/2.2 compliance standards.

Strong understanding of non-functional requirements including performance, scalability, reliability, availability, and security.

Ability to analyse performance metrics (response time, throughput, latency, resource utilisation) and identify bottlenecks.

Familiarity with APM and monitoring tools (e.g., Dynatrace, AppDynamics, Grafana) for system observability.

Experience integrating performance tests into CI/CD pipelines (e.g., Azure DevOps, Jenkins, GitLab).

Working knowledge of cloud platforms (Azure / AWS) and containerised environments.

Apply Now

Refine Your Search

performance tester jobs in england

Non-Functional Tester (Performance & Accessibility)

QA - Device Tester

Senior Performance Tester (SC Eligible/ Cleared)

Senior Automation Tester

Senior Accessibility Tester

Junior QA Analyst - Old School RuneScape

Senior Automation Tester

Test Automation Engineer

Senior Consultant, Salesforce Testing

Principal Automation Test Consultant

Service Validation and Testing Manager

Programme Test Manager - Principal Consultant

Software Developer in Test - C3

Senior Test Engineer (up to £81,736)

Lead Software Developer In Test - Lead Consultant

Infrastructure Test Engineer (DV Security Clearance)

(UK)Principal Engineer - Test

Senior Professional Tester, Actuarial Systems

Quality Assurance – Performance Tester

Application Tester

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