1 to 25 of 134 Performance Testing Jobs in London

Performance Tester – Security Cleared

Location
Greater London, England, United Kingdom
Work on performance testing projects covering API, Front End, and UI-based performance testing Gather performance test requirements through project and client engagement meetings Review and analyse non-functional requirements (NFRs) to ensure they are clear and testable Develop performance test scripts Execute … report on performance tests to technical and business stakeholders Identify performance test failures against NFRs Perform performance testing against Azure infrastructure Carry out performance test analysis Communicate issues and risks clearly and promptly to relevant stakeholders Support performance testing projects for public ...

Performance Tester

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
outcomes. You understand and align with Solirius Reply Values The Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience ...

Performance Tester

Location
Greater London, England, United Kingdom
work on meaningful projects that deliver lasting impact The Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience ...

Performance Tester - (Security Cleared Or Previously Held SC)

Hiring Organisation
Solirius Consulting
Location
London, United Kingdom
Salary
£ 80 K
effective outcomes. You understand and align with Solirius Reply ValuesThe Role:We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients.Those not from a performance testing background, or without demonstrable experience in performance ...

Lead Performance Tester (SC Eligible/Cleared)

Location
Greater London, England, United Kingdom
commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are seeking a Lead Performance Tester/Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital … services. This role acts as the performance authority , accountable for defining strategy, leading delivery, and providing formal recommendations on production readiness. Key Responsibilities Own the performance testing strategy for assigned services or programmes Lead volumetric analysis, performance risk assessment, and test scoping Define entry/exit ...

Performance Test Consultants

Hiring Organisation
Eurofins
Location
London, United Kingdom
Salary
£ 70 K
Company DescriptionEurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the medicines you rely … safe, their ingredients are authentic and labelling is accurate. Eurofins believes it is a global leader in food, environmental, pharmaceutical and cosmetics products testing and in agroscience CRO services. It is also one of the global independent market leaders in certain testing and laboratory services for genomics, discovery ...

Performance Test Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475/day
Performance Test Engineer £475/day | Inside IR35 | Primarily Remote | Occasional Travel to London | Until 31st March 2027 | ASAP Start *** MUST have NHS or Gov. Experience *** We're looking for an experienced Performance Test Engineer to join a large-scale enterprise transformation programme, helping to ensure the performance, scalability and operational readiness of critical cloud-based services. You'll work closely with engineering, DevOps and QA teams to design and execute performance testing strategies, analyse system behaviour under load, and provide recommendations to improve application resilience and user experience. Key Responsibilities Design, develop and execute ...

Automation Tester – Front End, Security Cleared

Location
Greater London, England, United Kingdom
fostering best practices Keep up to date with industry standards and advances Oversee development, implementation, and maintenance of automated test scripts Verify usability, functionality, performance, and scalability of company and client applications Build automation tools and expand framework functionality for team requirements Establish processes for automation and performance monitoring Contribute to Quality Engineering and client teams in establishing automation and testing best practices Collaborate with diverse teams to address automation challenges Coordinate efforts to resolve performance test failures Work directly with public- and private-sector clients Travel as required by clients, primarily to London Requirements ...

Quality Engineering Practice Lead

Location
Greater London, England, United Kingdom
Assurance Identify practical applications of generative AI, machine learning and agentic AI Translate concepts into repeatable, commercially viable services and accelerators Shape approaches for testing, validating and monitoring AI systems Encourage disciplined experimentation that delivers measurable value Requirements Significant experience within software Quality Engineering, testing or Digital Assurance … Strong technical understanding of modern test automation approaches, architectures and frameworks Strong knowledge of performance testing and performance engineering Experience with modern Agile, DevOps and CI/CD delivery models Experience defining Quality Engineering strategies, frameworks or technical standards Strong understanding of generative AI and related technologies ...

Senior Performance Tester ( SC Eligible)

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are looking for a Senior Performance Tester to deliver hands-on load and performance testing across large-scale digital services and Back End applications, with experience of working with … cloud-based distributed services. This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success. Key Responsibilities Design and execute load, stress, volume, soak, and scalability tests Analyse performance results, logs, and system metrics to identify ...

Automation Engineer – Back End, Security Cleared

Location
Greater London, England, United Kingdom
Design, develop, and deliver test solutions Oversee development, implementation, and maintenance of automated test scripts Verify usability, functionality, performance, and scalability of company and client applications Construct automation tools and expand framework functionality for unique team requirements Establish processes for automation and performance monitoring Contribute to Quality Engineering … teams and clients in establishing automation and testing best practices Collaborate with teams to address automation challenges Coordinate efforts across teams to resolve performance test failures Support and develop team members Foster best practices and keep current with industry standards and advances Work directly with public- and private ...

Performance Tester

Hiring Organisation
fortice
Location
London, United Kingdom
Salary
£ 80 K
Title – Performance TesterLocation – LondonWho you’ll be working withIn Business Technology Solutions (BTS) we specialise in navigating our clients through the complexities of large-scale, technology-driven transformation programmes, using our skills to drive outstanding delivery. Having the right people using the right methodology and following the right process … gives every client the right result.Managed Testing Services (MTS) is a new Delivery Unit within Business Technology Solutions focusing on helping our client’s achieve business value through testing transformation. The MTS function is responsible for all aspects of managed testing services focusing on: moving our clients ...

Network Test Engineer – SD-WAN & Network Infrastructure

Hiring Organisation
Syncarp
Location
City of London, London, United Kingdom
global service provider based out of : London Speechmark/Newbury/Birmingham Small Heath/Manchester/Glasgow - Telecom/network infrastructure testing experience mandatory Contract: 6–12 Months Fixed-Term Contract Clearance: SC Cleared/Eligible for SC Clearance Experience: 5+ Years Role Overview The successful candidate must … have practical experience testing and validating SD-WAN, LAN/WAN, Wi-Fi, routing and switching, network protocols, connectivity, data centre infrastructure and network performance . This is not a generic software QA or automation testing role . Candidates must demonstrate hands-on experience with network infrastructure ...

Clinical Entity and Natural Language Programming (NLP) Service Lead

Hiring Organisation
National Health Service
Location
London, United Kingdom
Salary
£ 60 K
DevOps and change management processes in line with industry standards and SLaM Digital Services policies.Manage deployment of pipelines into operational services, including monitoring and performance reporting.Ensure services remain cost-effective and within budget.Communicate service design, availability, outputs and performance to stakeholders.Coordinate testing of service outputs for clinical … ensure all services and solutions are cost effective and meet continue to meet budget requirements Communicate effectively about the design, availability, definitions and performance of service outputs in response to enquiries from internal and external stakeholders and service users. Co-ordinate and oversee continuous performance testing ...

Salesforce Senior Test Manager

Hiring Organisation
Sopra Steria
Location
London, United Kingdom
Salary
£ 80 K
16020Company: Sopra SteriaLocation: London, GBRJob Type: PermanentJob Level: Level 4Category: Software, Testing and ArchitectureIndustry: Professional ServicesPosted Date: 2026-08-27Are you passionate about delivering high-quality Salesforce solutions that make a real business impact? Do you enjoy leading testing strategy across complex transformation programmes while driving automation … role in ensuring the quality, stability, and successful delivery of our Salesforce platforms and integrated business applications. This is an exciting opportunity to lead testing across large-scale Salesforce programmes, working alongside talented product owners, architects, developers, and business stakeholders to deliver solutions that provide exceptional value.You ...

AI Automation Tester

Location
City of Westminster, England, United Kingdom
support a major client programme. This is an exciting opportunity to join a high-profile AI initiative, helping to ensure the quality, reliability, and performance of cutting-edge AI-powered solutions. Working as part of a collaborative delivery team, you will be responsible for designing and executing automated testing across the AI solution landscape, covering both traditional software testing and AI-specific validation activities. The Role As an AI Automation Tester, you will play a key role in validating AI-driven applications and services, ensuring they meet functional, performance, integration, and quality standards. You will ...

automation qa

Location
Greater London, England, United Kingdom
digital wealth management platform designed to help users grow, manage, and protect their long-term wealth across savings, investments, and pensions. Задачи: Own performance from day one by embedding performance thinking into delivery plans before code is written; Define thresholds, metrics, and SLOs that govern pass or fail … including budgets for latency, error rate, and throughput; Design and build performance tests for individual services, stubbing downstream and third‐party dependencies; Map load to real production traffic to identify performance bottlenecks; Integrate performance testing into CI/CD pipelines to catch regressions automatically; Build reusable ...

Senior Test Analyst

Location
Greater London, England, United Kingdom
start your journey! Key Information Job title: Senior Test Analyst Salary: circa £74,500 Grade: 3 Contract type: Permanent Reference: 5541 Team: Testing Directorate: TfL Corporate Contract details: TfL Location: Pier Walk/Hybrid Application closing date: Thursday 10th September 2026 All offers of employment are subject to satisfactory … senior test member using best Agile practices. Design and execute detailed test cases (manual, automation or non-functional test cases), whilst ensuring traceability between testing implementation and project requirements or acceptance criteria. Develop robust test automation frameworks in C# or Typescript using industry standard tools such as Playwright, Gherkin ...

Test Engineer

Location
Greater London, England, United Kingdom
digital economy of today.As a Test Engineer, you will be part of a dynamic software development team environment where your testing skills will be crucial to the delivery of mission critical financial software to the global financial industry following structured development approaches in Agile methodologies.You will undertake Testing … activities of medium to high complexity related to different software components and versions. You will be required to do development work related to software testing frameworks. Given the mission critical nature of our business, strong emphasis is placed on quality, security, availability, resiliency, scalability, performance, and system resources ...

Dataiku Solution Architect

Hiring Organisation
Everforth Quinnox
Location
City of London, London, United Kingdom
Employment Type
Permanent
platform. Create solution architecture diagrams, data-flow diagrams, integration designs, interface specifications, security models, and deployment views. Provide technical leadership throughout design, development, testing, deployment, transition, and production stabilization. Evaluate design alternatives and recommend solutions based on scalability, auditability, resiliency, security, maintainability, and operational support requirements. Ensure clear separation … business rules. Design reusable Dataiku project templates and onboarding patterns for new brokers, market-data providers, commodities, regions, and business processes. Establish Dataiku development, testing, production, version-control, promotion, deployment, and rollback standards. Define monitoring, alerting, failure handling, restart, recovery, and operational support patterns for Dataiku processes. Ensure Dataiku ...

Automation Test Engineer - up to 70,000 + Bonus + Benefits

Hiring Organisation
Involved Solutions
Location
London, United Kingdom
Salary
£ 60 K
practices. The Automation Test Engineer will play a key role in embedding quality throughout the software development lifecycle, working across UI, API, accessibility and performance testing while supporting continuous delivery at enterprise scale. Responsibilities for the Automation Test Engineer: Design, develop and maintain scalable UI and API automation … Develop and execute functional, regression, integration and end to end automated tests Perform UI automation using Selenium WebDriver and Playwright Carry out API testing using REST Assured, Postman and Swagger Conduct accessibility testing to ensure compliance with WCAG standards Support CI/CD pipelines and continuous testing ...

Senior Application Architect

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
follows design principles (e.g. modular design, microservices, event driven architecture etc.) and make use of appropriate design patterns.Performance, Security & Compliance: Incorporate security requirements and performance considerations into all application architecture designs from the outset. The architect makes sure that applications adhere to security best practices and relevant compliance standards … risk assessments on new architectures and include controls for data protection (encryption, access control) and robust error handling. They will also design for high performance and availability – for example, recommending load balancing, caching strategies, or failover mechanisms. All solutions are evaluated for reliability, maintainability, and disaster recovery preparedness ...

Principal Automation Test Consultant

Location
Greater London, England, United Kingdom
life About the Role As a Principal Software Developer in Tes t, you'll bring your extensive knowledge of software engineering, automation, and performance testing to create bespoke solutions for our clients. You'll 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. Provide Expert Insights: Conduct technical QA health checks ...

Head of Quality Engineering

Location
Greater London, England, United Kingdom
lead our enterprise quality strategy across Product and Technology. This is a high-impact leadership role where you will set the direction for testing, automation, performance, security and AI-driven quality engineering, helping us deliver faster, safer and more reliable technology for our customers and colleagues. Why join … purpose-led, people-first culture where inclusion, learning and development are genuinely prioritised Opportunities to shape modern engineering practices across automation, AI, security and performance testing Career and skills development in a business recognised for colleague growth and workplace culture Employee resource groups and colleague-led initiatives that ...

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 ...