Performance tester Work, Jobs in West Byfleet, Sry (with Salaries)

Senior Performance Tester
IT VALLEY (LONDON) LIMITED —Egham
- £40,000 - £52,000 a year
- Full-time
- Azure
- Sales
- Java
Quick apply
Senior Performance Tester (SC Eligible/ Cleared)
Scrumconnect Consulting —Staines-upon-Thames
- £50,000 a year
- Full-time
- AWS
- APIs
- Agile
1d
Software Tester
Ganap IT Limited —Hounslow
- £35,000 a year
- Full-time
- Computer Science
- Analysis skills
- Organisational skills
Quick apply
Non-Functional Tester (Performance & Accessibility)
Cognizant —London
- Full-time
- Hybrid work
- Azure
- AWS
- APIs
Senior QA Tester (SC Cleared)
Scrumconnect Consulting —Staines-upon-Thames
- £300 - £350 a day
- Travel
- Scripting
- Agile
Senior Accessibility Tester
Atos —London
- JavaScript
- Communication skills
- HTML
- Annual leave
5d
Senior Automation Tester
DLA Piper —London
- Mentoring
- Scripting
- APIs
Test Automation Engineer
Scrumconnect Consulting —London
- £40,000 - £50,000 a year
- Azure
- Java
- SQL
Professional Tester, Actuarial Systems
Pacific Life Re Services Limited —London
- Microsoft Word
- Microsoft Excel
- Analysis skills
- Annual leave
- Employee assistance programme
Quick apply
TEST MANAGER - LEAD CONSULTANT
Scale Factory —London
- Hybrid work
- Driving
- Mentoring
- Agile
- Annual leave
Senior Consultant, Salesforce Testing
Kate Matthews Solutions —London
- £40,000 - £60,000 a year
- Salesforce
- Agile
Senior Professional Tester, Actuarial Systems
Pacific Life Re Services Limited —London
- Microsoft Word
- Microsoft Excel
- Management
- Annual leave
- Employee assistance programme
Quick apply
Digital Test Manager
Formula 1 —Biggin Hill
- Full-time
- Presentation skills
- No degree
- IT
- Store discount
- Annual leave
Principal Automation Test Consultant
Scale Factory —London
- Hybrid work
- Azure
- Java
- AWS
- Annual leave
Senior Test Analyst - Brno
Deltatre —London
- Azure
- Management
- DevOps
- Annual leave
Quick apply
12d
Programme Test Manager - Principal Consultant
Scale Factory —London
- Hybrid work
- DevOps
- JavaScript
- AI
- Annual leave
HRIS Test Lead (12 month FTC)
Withersworldwide —London
- Full-time
- Hybrid work
- Azure
- Oracle
- Human resources
- Employee discount
Lead Software Developer In Test - Lead Consultant
Scale Factory —London
- Hybrid work
- Azure
- Java
- JavaScript
- Annual leave
Senior Full Stack Quality Engineer
Tokio Marine HCC —London
- Full-time
- Hybrid work
- Azure
- DevOps
- English
- Work from home
Test Lead - 12 month FTC
Pacific Life Re Services Limited —London
- Software development
- Agile
- IT
- Annual leave
- Employee assistance programme
Quick apply
4d

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Senior Performance Tester

IT VALLEY (LONDON) LIMITED
Egham

Quick apply

Job details

Permanent | Full-time
£40,000 - £52,000 a year

Qualifications

Azure
Sales
C#
LoadRunner
Test automation
Selenium
Performance testing
Java
Software quality assurance
JavaScript
Scripting
Scrum
APIs
Software testing
Agile
Jenkins
GitLab
Communication skills
Python

Full job description

Job ID: ITV/JUNE2026/02

Number of positions: 02

IT Valley (London) Limited is looking for a motivated and enthusiastic Senior Performance Tester to join our growing team. The ideal candidate will be responsible for identifying new business opportunities, building client relationships, and supporting the company’s sales growth. This role requires good communication skills, confidence in dealing with customers, and the ability to achieve sales targets.

Duties and Responsibilities:

· Design and manage the overall performance testing strategy for web and mobile applications, ensuring alignment with business and technical objectives.

· Define measurable performance benchmarks, SLAs, and success criteria in collaboration.

· Conduct load, stress, endurance, and scalability testing to evaluate application behavior under normal and peak traffic conditions.

· Validate application responsiveness, stability, and reliability to ensure optimal end-user experience.

· Prepare and present performance test results, risk assessments, and release readiness reports to leadership and clients.

· Plan and coordinate performance testing activities across sprint cycles and release schedules.

· Work closely with developers, architects, and business analysts to integrate performance requirements early in the development lifecycle.

· Analyze system architecture, infrastructure limitations, and integration dependencies to identify performance risks and capacity issues.

· Investigate bottlenecks related to application code, APIs, databases, network latency, or infrastructure constraints.

· Provide technical leadership to testing teams by reviewing deliverables, setting standards, and driving process improvements.

Act as the primary escalation point for critical performance-related concerns and support release decisions.
Promote continuous improvement by enhancing testing frameworks, methodologies, and automation practices.

Skills & Experience

· Extensive hands-on experience in performance testing of large-scale enterprise applications.

· Strong knowledge of performance engineering concepts including load testing, capacity planning, stress testing, and bottleneck analysis.

· Experience with automation frameworks and testing tools such as Appium, Selenium, Cypress, Espresso, XCUITest, or similar platforms.

· Strong programming/scripting skills in Java, Python, JavaScript, or C# for test automation and framework development.

· Experience integrating automated testing into CI/CD pipelines using tools such as Jenkins, GitLab CI, Azure DevOps, or equivalent.

· Solid understanding of distributed application architecture, APIs, databases, and system integrations.

· Hands-on experience with APM and monitoring tools such as Dynatrace, AppDynamics, Datadog, or similar solutions.

· Strong experience working within Agile/Scrum environments.

· Excellent analytical, troubleshooting, and problem-solving skills.

· Proven ability to mentor junior testers or lead performance testing teams.

Pay: £40,000.00-£52,000.00 per year

Work Location: In person

Quick apply

Refine Your Search

performance tester jobs in west byfleet, sry

Senior Performance Tester

Senior Performance Tester (SC Eligible/ Cleared)

Software Tester

Non-Functional Tester (Performance & Accessibility)

Senior QA Tester (SC Cleared)

Senior Accessibility Tester

Senior Automation Tester

Test Automation Engineer

Professional Tester, Actuarial Systems

TEST MANAGER - LEAD CONSULTANT

Senior Consultant, Salesforce Testing

Senior Professional Tester, Actuarial Systems

Digital Test Manager

Principal Automation Test Consultant

Senior Test Analyst - Brno

Programme Test Manager - Principal Consultant

HRIS Test Lead (12 month FTC)

Lead Software Developer In Test - Lead Consultant

Senior Full Stack Quality Engineer

Test Lead - 12 month FTC

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