1 to 25 of 137 Performance Testing Jobs

users whilst incorporating AI-driven classification and workflow automation.This role is ideal for someone who remains deeply involved in automation engineering and non-functional testing whilst providing technical leadership across quality, stability, performance, and release assurance. The successful candidate will be expected to lead by example, actively contributing … test automation, performance testing, environment management, and defect investigation. About mthree: Since 2010, mthree has been helping clients solve their business and technological challenges. We are a technology and business consultancy with a global workforce delivering significant business and IT projects in some of the largest financial services ...

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 ...

Summary The QA Team Lead is responsible for leading and overseeing the quality assurance efforts within Mercans software development process, ensuring the reliability and performance of its global payroll outsourcing and SaaS solutions. This role involves managing the QA team, defining and implementing testing strategies, ensuring software quality … standards, and optimizing testing processes. The QA Team Lead will collaborate closely with developers, product owners, and other stakeholders to maintain high testing coverage and drive continuous improvement in QA practices, ensuring seamless payroll and HR software experiences for multinational enterprises. Duties and Responsibilities: Team Leadership and Management ...

unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer, Performance Engineering Payment Optimization unifies multiple Mastercard capabilities to improve transaction success, reduce avoidable declines, and simplify issuer, acquirer … driven optimization intelligence, and executes time-critical optimization actions while maintaining clear domain ownership and scalable boundaries. We build products for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scale our suite of services. This role supports Automatic Billing Updater ...

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 ...

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 ...

Senior Performance Test Engineer | Contract £450-£550 per day | Outside IR35 | ASAP Start | Initial 3 Months | Remote We're supporting a client delivering a large-scale digital platform and are seeking an experienced Senior Performance Test Engineer to join an Agile delivery team. This is a hands … role focused on designing, executing, and optimising performance testing strategies across cloud-based applications and API-driven services. You'll play a key role in ensuring systems are scalable, resilient, and capable of delivering excellent performance under varying levels of demand. Key Skills Required Strong commercial experience ...

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 ...

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 ...

# Lead Performance Test Engineer Apply now## **About the job you're considering**We are seeking a Lead Performance Engineer to lead a team of performance engineers delivering assurance across complex client programmes. You will set the performance strategy, define and agree non-functional requirements … quality gates, and ensure systems are scalable, resilient and ready for production.Working with engineering, architecture, DevOps, SRE, cloud and business teams, you will embed performance engineering throughout the delivery lifecycle**Hybrid working**: The places that you work from day to day will vary according to your role, your needs ...

Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies using TDD, BDD and risk-based testing approaches. Champion shift-left testing practices and support CI/CD pipeline integration. Coach and mentor development teams on Quality Engineering best practices. Perform testing across all levels, including: Unit Testing System Testing Integration Testing Non-Functional Testing Analyse business requirements and translate them into effective test approaches. Create ...

Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies using TDD, BDD and risk-based testing approaches. Champion shift-left testing practices and support CI/CD pipeline integration. Coach and mentor development teams on Quality Engineering best practices. Perform testing across all levels, including: Unit Testing System Testing Integration Testing Non-Functional Testing Analyse business requirements and translate them into effective test approaches. Create ...

high-performing, scalable user interfaces, backend systems and enterprise integrations. Deep understanding of software engineering principles, patterns and best practices. Strong knowledge of automated testing and performance testing across unit, integration and end-to-end testing layers. Proven experience implementing DevSecOps practices at scale across enterprise … applications. Technical expertise in Java, SQL, JavaScript and modern CI/CD tooling. Experience designing and implementing cloud-native solutions focused on scalability, performance, observability and security. Excellent communication, leadership and mentoring skills. Desirable: knowledge of retail, especially Supply Chain and Logistics. Desirable: experience with Warehouse Management Systems, including ...

investigations, proof-of-concepts and prototyping activities. Own complex technical challenges and drive solutions across multiple systems and teams. Ensure software is designed with performance, resilience and long-term maintainability in mind. Architecture & Technical Leadership Lead technical design discussions and contribute to strategic architectural decisions. Define service boundaries … long-term roadmaps. Identify technical risks and recommend appropriate mitigation strategies. Influence the future direction of digital products and engineering practices. Engineering Quality & Testing Champion a quality-first engineering culture. Define and implement testing strategies across applications and services. Promote Test-Driven Development (TDD) and automation-first approaches. ...

quality owner within your Scrum team. You play a crucial role in ensuring the quality, reliability, and resilience of our systems by driving strong testing practices and acting as the primary voice of quality throughout the software development lifecycle. You are the execution expert within your teamdelivering high-quality … project requirements and user stories. Execute test cases and document test results thoroughly. Test Automation: Design, develop, and maintain automated test scripts to increase testing efficiency and coverage. Collaborate with the Principal QA Engineer to establish and improve the test automation framework. Defect Management: Identify, report, and track defects ...

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 ...

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 ...

Role: Performance Tester Work Model & Location: Hybrid - 2-3 day onsite in Reading Duration: 6 Months+ The role involves validating system scalability, response time, throughput, and stability under real-world and peak load conditions to ensure business-critical billing processes operate without performance degradation. Our client, working with … British multinational energy company who are a constituent of the FTSE 100 Index are seeking an experienced Performance Tester to support the Keystone transformation program, focusing on non-functional validation of billing systems, integrations, and dual run operations. Your responsibilities: Analyse performance testing requirements including user load ...

solutions for the future of system scalability and reliability! As a Test Lead your day to day tasks will include: leading the design and performance, load/stress tools using JMeter, LoadRunner, meeting strategy and non functional requirements, working closely with developers and architects to identify issues, monitor systems … drive efficiency and improvements within both cloud and on-prem environments. Core Experience within a Lead capacity • Ability to design, execute, and analyse performance, load, stress, and volume tests. • Familiarity with monitoring and observability tools (Grafana, Splunk) and diagnostics platforms (New Relic, Dynatrace). • Understanding of containerisation technologies (Docker ...

solutions for the future of system scalability and reliability! As a Test Lead your day to day tasks will include: leading the design and performance, load/stress tools using JMeter, LoadRunner, meeting strategy and non functional requirements, working closely with developers and architects to identify issues, monitor systems … drive efficiency and improvements within both cloud and on-prem environments. Core Experience within a Lead capacity • Ability to design, execute, and analyse performance, load, stress, and volume tests. • Familiarity with monitoring and observability tools (Grafana, Splunk) and diagnostics platforms (New Relic, Dynatrace). • Understanding of containerisation technologies (Docker ...

your hand for what could be a truly career-defining opportunity. Senior Software Engineer - k6 Core The Opportunity: At k6, we build reliability and performance testing tools for developers and QA engineers. Grafana k6 is an open-source project focused on making performance testing practical, approachable … understand systems under real load. What You’ll Be Doing: You will join a team of engineers responsible for building and maintaining k6, a performance testing tool written in Go. The team also maintains the open-source project, which means working directly on the product, the codebase ...

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 ...

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 ...

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 ...

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 ...