Senior application support analyst Work, Jobs in London, Gtl (with Salaries)

Senior Performance Tester
IT VALLEY (LONDON) LIMITED —Egham
- £40,000 - £52,000 a year
- Full-time
- Hybrid work
- Software troubleshooting
- Business development
- Scripting
Quick apply
Business Process and Operations Analyst
MANAGEMENT CONSULTANCY CAMPUS LTD —London
- £35,000 - £45,000 a year
- Full-time
- Hybrid work
- Analysis skills
- Bachelor's degree
- Agile
Quick apply
9d
IT Support Engineer (1st to 2nd Line Progression)
3Gi Technology Ltd —Brentwood
- £28,000 - £32,000 a year
- Full-time
- In-person
- Communication skills
- Free parking
- Sick pay
Quick apply
Business Analyst
Zaizi —London
- £70,000 - £85,000 a year
- Hybrid work
- Continuous improvement
- APIs
- Annual leave
- Work from home
Quick apply
Senior Business Analyst - Applied AI and Innovation
TIEVA —London
- £65,000 - £80,000 a year
- Full-time
- Remote
- Free parking
- Employee assistance programme
Quick apply
Graduate Business Analyst | London
eaChange —London
- £30,000 a year
- Bachelor's degree
- Communication skills
3d
PMO Analyst (Scheme and Technology Delivery)
Low Carbon Contracts Company —London
- £45,000 a year
- Hybrid work
- Writing skills
- Organisational skills
- Agile
- Annual leave
- Work from home
Quick apply
11d
Senior Service Analyst, Workforce Management (WFM)
Monzo —London
- £40,400 - £51,050 a year
- Weekend availability
- Remote
- Work from home
13d
Application Support Analyst
Clinisys —Woking
- Hybrid work
- Mentoring
- Organisational skills
- Training & development
Head of IT
Carnall Farrar —London
- Full-time
- Remote
- Bachelor's degree
- SharePoint
- AI
- Work from home
- Employee assistance programme
Quick apply
Associate KYC Analyst
Corpay —London
- Full-time
- English
- Communication skills
- Life insurance
Workday Finance Systems support Analyst
Howden Group Holdings —London
- Full-time
- Hybrid work
Change Consultant
Hitachi Solutions —London
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- Human resources
Quick apply
Solutions Analyst
Introhive —London
- Full-time
- Remote
- CRM software
- Organisational skills
- APIs
Quick apply
Senior Data Governance Analyst
Markel International Services Ltd —London
- Microsoft Powerpoint
- Analysis skills
- Continuous improvement
- Annual leave
- Flexible schedule
Quick apply
Senior Technical Support Analyst
Trainline —London
- £45,000 - £50,000 a year
- Full-time
- Hybrid work
- Continuous improvement
- Mentoring
- SharePoint
14d
Operational IT Analyst
Line Management Group Ltd —London
- £28,000 - £32,000 a year
- Full-time
- Maintenance
- SharePoint
- In-person
- Annual leave
- Employee assistance programme
Quick apply
Senior Analyst, Counterparty AML Management
Intercontinental Exchange Holdings, Inc. —London
- Full-time
- Continuous improvement
- Team management
- Quality control
Business Analyst - Customer Complaints Transformation
Delta Capita —London
- Full-time
- Hybrid work
- Bachelor's degree
- Organisational skills
- Communication skills
Quick apply
Senior Salesforce Techno /Functional Analyst -Manchester
Capgemini Sogeti —London
- Hybrid work
- Salesforce
- Agile
- AI

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Senior Performance Tester

IT VALLEY (LONDON) LIMITED
Egham

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Job details

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

Qualifications

Technical troubleshooting
Conduct risk analysis
Software troubleshooting
Mobile applications
Test automation
Selenium
Performance testing
Business development
CI/CD pipelines
Scripting
Scrum
Jenkins
Communication skills

Full job description

Job ID: ITV/JUNE2026/01

Number of positions: 01

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: Hybrid remote in Egham TW20 8HE

Quick apply

Refine Your Search

senior application support analyst jobs in london, gtl

Senior Performance Tester

Business Process and Operations Analyst

IT Support Engineer (1st to 2nd Line Progression)

Business Analyst

Senior Business Analyst - Applied AI and Innovation

Graduate Business Analyst | London

PMO Analyst (Scheme and Technology Delivery)

Senior Service Analyst, Workforce Management (WFM)

Application Support Analyst

Head of IT

Associate KYC Analyst

Workday Finance Systems support Analyst

Change Consultant

Solutions Analyst

Senior Data Governance Analyst

Senior Technical Support Analyst

Operational IT Analyst

Senior Analyst, Counterparty AML Management

Business Analyst - Customer Complaints Transformation

Senior Salesforce Techno /Functional Analyst -Manchester

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