1 to 25 of 34 Performance Testing Jobs in London

Performance Tester - CGEMJP

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 365 Daily
Performance Tester Rate: 300 - 365 Clearance required: BPSS + DV (SC issued in last 5 years/willingness to go for DV (DV Preferred) Nationality requirement: UK passport holder only Location: London Work type: Hybrid - Able to work 3 days per week on site. Security Cleared software testing test management test scripts agile methodology performance tests Apache JMeter Microsoft Visual Studio Atlassian Jira Atlassian Confluence Role Overview We are seeking an experienced Performance Tester to define and deliver the non-functional test approach for a complex, highly customised SharePoint Subscription Edition (SE) platform ...

Performance Tester - CGEMJP00350528

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £365/day
Performance Tester Rate: £300 - £365 Clearance required: BPSS + DV (SC issued in last 5 years/willingness to go for DV (DV Preferred) Nationality requirement: UK passport holder only Location: London Work type: Hybrid - Able to work 3 days per week on site. Security Cleared software testing test management test scripts agile methodology performance tests Apache JMeter Microsoft Visual Studio Atlassian Jira Atlassian Confluence Role Overview We are seeking an experienced Performance Tester to define and deliver the non-functional test approach for a complex, highly customised SharePoint Subscription Edition (SE) platform ...

Lead Automation Engineer - Banking - SC clearance

Hiring Organisation
Uniting People
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 Annual
Automation Engineer role. L ead-level automation engineer who can drive automation strategy, lead a small team, perform functional/API/security/performance testing, and has strong experience with Karate and enterprise integration technologies BOE Sure-Shot Selection Criteria: A profile is likely to be shortlisted … demonstrates: 8-10+ years automation experience Strong Karate Framework experience API Automation (SOAP UI, Postman) Security Testing Performance Testing (JMeter/LoadRunner) Experience building automation frameworks Leadership or mentoring experience Kafka/IBM MQ integration testing Scripting skills (Python/JavaScript) Enterprise-scale application testing ...

Senior Quality Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform API testing and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify, log, track ...

Quality Test Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350/day £350 p/d Inside IR35
Clearance Option for candidates to be upgraded to DV! We're looking for a Quality/Test Engineer with experience in test automation and performance testing to support the delivery of software solutions within an Agile environment. You'll be involved throughout the testing lifecycle, helping … purpose. What you'll be doing Creating and executing test cases across multiple technology stacks Developing and maintaining automated test scripts Designing and implementing performance testing strategies Executing performance and load testing activities Investigating issues through debugging, tracing and log analysis Working closely with developers ...

Software Development Engineer in Test

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
developers, product owners, and QA teams to define and automate test scenarios using Behavior-Driven Development (BDD). Ensure applications meet Accessibility and Security testing standards as part of the automated testing strategy. Maintain and enhance the local, unofficial Performance Test Pack to support engineering teams. (Note … This complements, but does not replace, the organization's formal performance testing plan.) Support automation for Use Case 6 and other functional test scenarios as required. Continuously improve test automation frameworks, coding standards, and engineering best practices. Participate in code reviews and contribute to improving overall software quality. ...

Performance Architect

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£625 - £700/day - Inside IR35
Role/Job Titlke: Performance Architect Mode of working: Hybrid with 3-days onsite in London Duration: 12 Months (Likelihood of further extension Our client, working on behalf of the British postal service and courier company is urgently seeking a Performance Architect with extensive experience in Performance Architecture, Performance Engineering and System Optimization. The successful candidate will be responsible for defining and driving the performance strategy across the entire solution lifecycle, ensuring that applications and platforms are scalable, resilient, and capable of meeting business and operational demands. The role focuses on embedding performance ...

Principal Automation Test Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
work and life About the Role As a Principal Software Developer in Tes t, youll bring your extensive knowledge of software engineering, automation, and performance testing to create bespoke solutions for our clients. Youll also take a leadership role, guiding your team to success and leading by example. … will: Design and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination. Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. P rovide Expert Insights: Conduct technical QA health ...

Network/Telecom Testing Engineer

Hiring Organisation
Response Informatics
Location
East London, London, United Kingdom
Employment Type
Contract, Work From Home
Greetings from Response Informatics!! We are currently hiring a Senior Testing Engineer for an exciting client engagement. Role: Senior Testing Engineer Location: London/Newbury/Birmingham/Manchester/Glasgow, UK (Hybrid) Positions: Contract (Outside IR35) Clearance: Active SC Clearance/Non SC KEY RESPONSIBILITIES: Own test … evidence and defect records across the workstream. Maintain ALM discipline: test case structure, requirements traceability, defect lifecycle and reporting accuracy. Execute and lead complex testing across routers, switches, firewalls, hosting, data centre, LAN/WiFi, SD-WAN, UC & Unity, telephony, mobility, MPN & cloud, IoT, fixed connectivity, cloud & security ...

Quality Performance Test Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£310/day £310 p/d Inside IR35
Hays are now looking for a Quality Engineer/Performance Tester for one of our local clients: £310 p/d Inside IR35 3 days p/w in the office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience … performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination of performance testing, API testing and quality engineering practices. What you'll be doing Design, develop ...

Senior QA / Automation Engineer

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
Remote UK | Permanent Are you a QA/Automation Engineer who wants the opportunity to take real ownership rather than simply inherit an established testing process? We are working with a growing sports technology business that operates complex, real-time platforms handling large volumes of live data and significant … Engineer to help establish how QA works across the development team. The Role This is a hands-on position combining automation, API, functional and performance testing. You will have the autonomy to identify gaps, recommend tooling and build practical testing processes from the ground up. Rather than being ...

AI Test Engineer (SC Cleared)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The Role As a Senior Test Engineer … will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: Lead the design and execution of end-to-end test strategies across AI and digital programmes Ensure quality across AI models, data pipelines ...

AI Test Engineer (SC Cleared)

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The Role As a Senior Test Engineer … will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: Lead the design and execution of end-to-end test strategies across AI and digital programmes Ensure quality across AI models, data pipelines ...

Test Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
DNA. Invest in us and we'll invest in you!. Job Description We are seeking a highly skilled and experienced Automation and Performance Test Engineer to lead strategic testing initiatives across complex systems. This role demands a blend of technical expertise, leadership capability, and problem-solving acumen … drive quality across our engineering processes. You will be responsible for designing, building, and maintaining robust automation and performance testing frameworks using open-source tools, while also mentoring and guiding other engineers. Key Responsibilities: - Strategic Leadership: Plan and lead large-scale, complex testing activities, managing risks ...

Test Engineer - Java Net

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Role: We are looking for a Test Engineer to join our engineering team and play a key role in ensuring the quality, reliability, and performance of our software products. The successful candidate will have a strong background in software testing, combined with hands-on experience in test automation. … closely with developers, product owners, and other engineers throughout the software development lifecycle, helping to define test strategies, identify defects, and continuously improve our testing practices. Candidates should have development or automation experience using either .NET/C# or Java. Requirements Key Responsibilities: Design, develop, and execute manual ...

Quality Engineer - SC Eligible

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£310/day £310 p/d Inside IR35
Clearance Key Responsibilities - Work closely with business analysts to understand and interpret client requirements.- Define, prepare and execute appropriate test scenarios. - Support and enhance testing across the Customs Declaration Service application. - Contribute to performance testing activity within a complex systems integration environment. - Use Cucumber and Java … part of the test engineering approach. - Manage and document testing activity using JIRA and Confluence. - Collaborate effectively with the wider delivery team across bespoke, COTS and AWS-hosted components. Essential Skills and Experience - Minimum five years of UK residency and eligible for SC Clearance - Performance testing experience. ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
innovate and grow. As a Software Developer in Test , youll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Input in QA strategies, influencing testing best practices. Play a client-facing role, ensuring our solutions align with their business needs. What … Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing and automation frameworks Hands-on experience with ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
robust, scalable automation solutions across multiple projects and clients Mentor and coach a team of SDETs, fostering growth, upskilling, and driving best practices in testing and automation Own the QA strategy on projects - setting the vision for test architecture, tooling, quality metrics, and delivery excellence Engage directly with clients … trusted advisor, understanding business needs and aligning our testing approach accordingly Contribute to pre-sales and project scoping, helping shape engagements from inception through delivery What Were Looking For We understand leadership takes many forms. If you're driven to inspire others, lead innovation, and take ownership of delivery ...

Data Engineer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501/day
Talend Build and maintain Oracle SQL and DDL artefacts Contribute to CI/CD pipeline enhancements (GitLab) Investigate and resolve defects across development and testing phases Conduct component testing, including test data creation Support QA, performance testing, and production releases Perform peer reviews of development … hands-on experience with Talend (essential) Experience with Oracle databases (preferably RDS) Solid SQL and data modelling capability Experience working within structured SDLC and testing frameworks Familiarity with CI/CD tools (e.g. GitLab) Experience in enterprise or public sector environments desirable SC Eligible ...

SDET (Software Developer in Test)

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day
SDET 6 Month contract £450 - £500 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Cypress and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration ...

SDET (Software Developer in Test)

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
SDET 6 Month contract £450 - £500 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Cypress and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration ...

Senior Programmatic Trader

Hiring Organisation
Shape Recruitment
Location
Greater London, England, United Kingdom
diverse range of clients and sectors. Working closely with internal teams and client stakeholders, you'll use data and insight to drive campaign performance and deliver outstanding results. This role would suit someone with around 3-4 years' hands-on programmatic trading experience who enjoys analysing performance, testing … Plan, build and optimise programmatic campaigns across leading DSPs including The Trade Desk, DV360, Amazon DSP and Spotify. Monitor campaign delivery, budgets, pacing and performance to ensure objectives are achieved. Analyse campaign data and identify opportunities to improve results through ongoing optimisation. Work closely with strategy, creative and client ...

Senior Salesforce Developer

Hiring Organisation
Focus Cloud Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Visualforce, SOQL/SOSL, triggers, controllers and Salesforce platform technologies . Design reusable development frameworks and components, ensuring high standards across code quality, performance, testing and maintainability . Implement complex Salesforce configuration, automation, workflows, approvals, validation rules and security controls . Agentforce, AI & Data Cloud Design and develop … leadership across Salesforce programmes, contributing to solution design, development standards, code reviews and engineering best practices . Drive continuous improvement across development, automation, platform performance and technical delivery. Key Skills: Extensive hands-on experience delivering enterprise Salesforce solutions , with strong development expertise across Apex, Lightning Web Components (LWC), Visualforce ...

Senior Product Manager (London / Manchester)

Hiring Organisation
Tenth Revolution Group
Location
Greater London, England, United Kingdom
biometric technologies including: Facial Recognition Fingerprint Recognition Iris Recognition Biographic Identity Solutions ⭐ Understanding of: Liveness Detection Identity Verification Presentation Attack Detection (PAD) Biometric Bias & Performance Testing ⭐ Knowledge of biometric standards including: ISO/IEC 19794 ISO/IEC 29794 NIST/ANSI Standards ⭐ Experience within: Government Public Safety ...

Senior Systems Engineer

Hiring Organisation
Morson Edge
Location
New Malden, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£50.00 - 67.47 per hour
team's work encompasses system design, requirements & acceptance management, hardware design & maintenance and other general systems engineering considerations such as Security, Safety, Human Factors, Performance, Availability & Reliability. Responsibilities: Maintain the Requirements database with associated contractual and acceptance details. Take a lead role in the testing and acceptance process … design of improvements. e. Review/agreement of External Interface documents and management of interface baseline. f. Leading other engineering activities such as performance testing, human factors, safety analysis, information assurance etc. Requirements: Proven ability of working with Software Systems Proven ability of developing and enhancing a software ...