Senior application developer Work, Jobs in Ascot, Brk (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
Senior React Native Developer
CV Library —Fleet
- £999,999 a year
- Full-time
- Hybrid work
- Communication skills
Quick apply
6d
Front End Software Engineer
Leidos —Farnborough
- £61,500 - £78,800 a year
- Full-time
- Mentoring
- Scripting
- Agile
- Annual leave
- Work from home
Senior Developer
Menzies LLP —Woking
- Full-time
- Hybrid work
- No degree
- Travel
- Mentoring
Senior AI Engineer
RWS Group —Maidenhead
- Full-time
- Machine learning
- AI
- Communication skills
6d
Senior Performance Tester (SC Eligible/ Cleared)
Scrumconnect Consulting —Staines-upon-Thames
- £50,000 a year
- Full-time
- Agile
Senior Designer
AtkinsRéalis —Epsom
- Full-time
- Hybrid work
- Organisational skills
- Agile
- Communication skills
Graduate Project Manager
TFT Consultants —Guildford
- Full-time
- Bachelor's degree
- Construction experience
Sr. Manager, Software Development
Infor —Farnborough
- Full-time
- Hybrid work
- English
- Leadership
- Communication skills
Operations and Projects Executive
Le Connoisseur —London
- £30,000 - £35,000 a year
- Full-time
- Hybrid work
- Hospitality
- English
- Databases
- Work from home
- Sick pay
Quick apply
Director, Global Service Delivery (f/m/d) - EMEA Based
Siemens —Farnborough
- £100,300 - £205,900 a year
- Full-time
- Hybrid work
- Computer Science
- PMP
- Engineering
5d
Senior / Principal Planner
LRG —Camberley
- £40,000 - £55,000 a year
- Call to connect
- Hybrid work
- Analysis skills
- Annual leave
- Employee assistance programme
Quick apply
Senior Web & SEO Manager
Campions —London
- £60,000 a year
- Full-time
- Employee assistance programme
Quick apply
Senior AI Developer
BCN Group —Reading
- Full-time
- Hybrid work
- Azure
- Software development
- AI
- Annual leave
- Employee assistance programme
Quick apply
Senior Software Engineer (Full Stack)
Leidos —Farnborough
- £61,500 - £78,800 a year
- Full-time
- Mentoring
- Agile
- Annual leave
- Work from home
Senior Siebel Developer
CGI —Leatherhead
- Full-time
- Analysis skills
- Mentoring
Quick apply
Senior Freelance Product Designer
Beyond Sports —Basingstoke
- Hybrid work
- Time management
Lead Web Developer - PHP/Laravel/Full Stack
Nteractive Consulting & Events Ltd —Staines-upon-Thames
- Hybrid work
- Master's degree
- Travel
- Mentoring
- Annual leave
- Employee assistance programme
Quick apply
Senior Developer
Lane Clark & Peacock —London
- Hybrid work
- Azure
- Mentoring
- AI
- Annual leave
- Employee discount
12d
Power Bi Developer
Emeria —London
- £55,000 a year
- Full-time
- Azure
- Employee discount
Quick apply

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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

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 developer jobs in ascot, brk

Senior Performance Tester

Senior React Native Developer

Front End Software Engineer

Senior Developer

Senior AI Engineer

Senior Performance Tester (SC Eligible/ Cleared)

Senior Designer

Graduate Project Manager

Sr. Manager, Software Development

Operations and Projects Executive

Director, Global Service Delivery (f/m/d) - EMEA Based

Senior / Principal Planner

Senior Web & SEO Manager

Senior AI Developer

Senior Software Engineer (Full Stack)

Senior Siebel Developer

Senior Freelance Product Designer

Lead Web Developer - PHP/Laravel/Full Stack

Senior Developer

Power Bi Developer

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