1 to 25 of 50 Performance Testing Jobs in London

within an established cloud native (Azure), DevOps and Agile environment. We’re looking for a Senior Automated & Manual Tester comfortable with end-to-end testing of mobile and SaaS applications to own the testing of emerging AI powered tools being built in house. Your role will directly impact … performance, stability, and user experience of solutions built with Javascript, Blazor, C#, .NET , and hosted on Azure (Azure DevOps). What experience you’ll need: Extensive experience in manual and automated testing of mobile & SaaS applications and associated APIs Hands on coding experience with C# Extensive experience ...

within an established cloud native (Azure), DevOps and Agile environment. We’re looking for a Senior Automated & Manual Tester comfortable with end-to-end testing of mobile and SaaS applications to own the testing of emerging AI powered tools being built in house. Your role will directly impact … performance, stability, and user experience of solutions built with Javascript, Blazor, C#, .NET , and hosted on Azure (Azure DevOps). What experience you’ll need: Extensive experience in manual and automated testing of mobile & SaaS applications and associated APIs Hands on coding experience with C# Extensive experience ...

could be your perfect next step. Why Join Ten10? Were proud to be one of the UKs leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps . Our mission is simple: help our clients achieve their goals by implementing innovative, high-quality engineering practices. Heres what makes … model gives you the balance you need. The Role As a Principal Technical Consultant , 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. ...

Cloud implementations, based on provided designs and user stories. Lead a team of QA analysts and testers, providing guidance, mentoring, and support. Oversee various testing activities, including functional testing, regression testing, integration testing, system testing, and user acceptance testing. Identify, document, and track software defects … design reviews to provide input on testability, quality considerations, and resource planning. Drive the development and improvement of QA processes, best practices, and testing methodologies. Work within an Agile development environment, participating in sprint planning, daily stand-ups, retrospectives, and release planning. Ensure adherence to project timelines and deliverable ...

from legacy platforms to a cloud-native, Kafka-based architecture built for resilience, scalability, and high performance. You’ll join a growing Non-Functional Testing (NFT) team responsible for ensuring services and platforms meet rigorous standards for performance, reliability, and operational readiness. This is a technically deep role … spanning performance engineering, failover and disaster recovery, resilience testing, alerting, and observability. Responsibilities Define, document, and execute Non-Functional Requirements (NFRs) across distributed microservices and supporting infrastructure. Partner with architects, product owners, and engineering teams to translate NFRs into measurable and repeatable test scenarios. Design and deliver ...

from legacy platforms to a cloud-native, Kafka-based architecture built for resilience, scalability, and high performance. You’ll join a growing Non-Functional Testing (NFT) team responsible for ensuring services and platforms meet rigorous standards for performance, reliability, and operational readiness. This is a technically deep role … spanning performance engineering, failover and disaster recovery, resilience testing, alerting, and observability. Responsibilities Define, document, and execute Non-Functional Requirements (NFRs) across distributed microservices and supporting infrastructure. Partner with architects, product owners, and engineering teams to translate NFRs into measurable and repeatable test scenarios. Design and deliver ...

team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications … APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/CD pipelines Collaborating across teams to improve quality ...

working on a high traffic, large-scale e-commerce platform. You’ll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, you’ll drive quality across web applications … APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/CD pipelines Collaborating across teams to improve quality ...

working on a high traffic, large-scale e-commerce platform. You’ll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, you’ll drive quality across web applications … APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/CD pipelines Collaborating across teams to improve quality ...

working on a high traffic, large-scale E-commerce platform. You'll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, you'll drive quality across web applications … APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/CD pipelines Collaborating across teams to improve quality ...

working on a high traffic, large-scale e-commerce platform. You’ll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, you’ll drive quality across web applications … APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/CD pipelines Collaborating across teams to improve quality ...

offers an excellent opportunity to work on diverse projects in an established team, focusing on test automation whilst maintaining the flexibility to perform manual testing where required. Reporting to the Lead QA Engineer, you'll collaborate closely with development teams, product managers, and business stakeholders to ensure the delivery … from Swagger specifications Proven ability to build, maintain, and enhance automation frameworks Proficiency with Visual Studio and Azure DevOps pipelines Strong understanding of software testing principles, QA methodologies, and SDLC Capability to balance automation and manual testing approaches based on project requirements Experience managing multiple concurrent projects effectively ...

offers an excellent opportunity to work on diverse projects in an established team, focusing on test automation whilst maintaining the flexibility to perform manual testing where required. Reporting to the Lead QA Engineer, you'll collaborate closely with development teams, product managers, and business stakeholders to ensure the delivery … from Swagger specifications Proven ability to build, maintain, and enhance automation frameworks Proficiency with Visual Studio and Azure DevOps pipelines Strong understanding of software testing principles, QA methodologies, and SDLC Capability to balance automation and manual testing approaches based on project requirements Experience managing multiple concurrent projects effectively ...

beneficial. Key Responsibilities Define and execute test strategies, plans, and test cases for cloud migration projects. Perform functional, regression, system, integration, and user acceptance testing (UAT). Validate application behaviour and data integrity before and after migration. Test cloud infrastructure components including compute, storage, networking, and security configurations. Execute … functional testing such as performance, scalability, availability, and resilience testing. Support security and compliance testing in cloud environments. Automate test cases where applicable using appropriate testing frameworks and tools. Identify, document, and track defects through to resolution. Collaborate with developers, cloud engineers, and business stakeholders ...

beneficial. Key Responsibilities Define and execute test strategies, plans, and test cases for cloud migration projects. Perform functional, regression, system, integration, and user acceptance testing (UAT). Validate application behaviour and data integrity before and after migration. Test cloud infrastructure components including compute, storage, networking, and security configurations. Execute … functional testing such as performance, scalability, availability, and resilience testing. Support security and compliance testing in cloud environments. Automate test cases where applicable using appropriate testing frameworks and tools. Identify, document, and track defects through to resolution. Collaborate with developers, cloud engineers, and business stakeholders ...

across multiple government departments and local authorities. You will play a key role in maintaining, optimising, and modernising the batch processing estate, ensuring the performance, reliability, and stability of a system that supports thousands of users and vital public services. Key Responsibilities Develop, maintain, and optimise … modernise legacy code , working within multi-disciplinary teams to understand requirements, propose technical options, and prototype solution approaches. Deliver robust, performant code and conduct performance testing in high-volume, transaction-driven environments. Contribute to the ongoing enhancement of a mission-critical platform used across numerous government functions. Essential ...

across our applications. You will collaborate closely with Engineers and Product Managers to meet functional and non-functional requirements, with a strong focus on performance and security. Key Responsibilities Design and maintain automated UI and API tests for web applications and services Carry out exploratory testing to identify … functional, UX, and edge-case issues Execute performance and security testing aligned to best practices (e.g. OWASP) Support production incident investigation and root cause analysis Collaborate with Engineers and Product Managers on test strategy, code quality, and requirements Improve testability through CI/CD integration, code reviews ...

high-quality delivery of IT systems, with a focus on Maximo EAM solutions. Role Purpose: The Test Manager will take ownership of the full testing lifecycle, ensuring that all IT systems, enhancements, and integrations are delivered to a high standard. You will lead testing strategies, manage test teams … projects, with a focus on Maximo and other utilities-related systems. Lead, mentor, and manage a team of test analysts, coordinating workloads and prioritising testing activities. Develop, review, and maintain test plans, test scripts, and test cases to ensure comprehensive coverage. Manage UAT, system integration, regression, and performance ...

high-quality delivery of IT systems, with a focus on Maximo EAM solutions. Role Purpose: The Test Manager will take ownership of the full testing lifecycle, ensuring that all IT systems, enhancements, and integrations are delivered to a high standard. You will lead testing strategies, manage test teams … projects, with a focus on Maximo and other utilities-related systems. Lead, mentor, and manage a team of test analysts, coordinating workloads and prioritising testing activities. Develop, review, and maintain test plans, test scripts, and test cases to ensure comprehensive coverage. Manage UAT, system integration, regression, and performance ...

rapid feedback for CI/CD pipelines. Key Responsibilities Design, implement, and maintain a scalable web automation framework for API and UI/functional testing Develop test strategies, test plans, and automation suites using Playwright (Python) for web applications Create reusable, modular page objects and components to maximize test … reuse Implement API testing strategies (REST/GraphQL) integrated with UI tests where appropriate Write clear, maintainable automated tests with robust assertions and meaningful reporting Integrate tests with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.) Configure test data management, environment handling, and test environment provisioning Implement ...

rapid feedback for CI/CD pipelines. Key Responsibilities Design, implement, and maintain a scalable web automation framework for API and UI/functional testing Develop test strategies, test plans, and automation suites using Playwright (Python) for web applications Create reusable, modular page objects and components to maximize test … reuse Implement API testing strategies (REST/GraphQL) integrated with UI tests where appropriate Write clear, maintainable automated tests with robust assertions and meaningful reporting Integrate tests with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.) Configure test data management, environment handling, and test environment provisioning Implement ...

professionals. Managers and senior leaders within the group are recognised speakers in the QA community and are active thought leaders within the AI testing space, offering strong mentorship, exposure, and long term career development.The role operates as an embedded position within a cross functional Scrum team, with a clear … test pyramid• Deliver hands on automation and quality engineering across two key domains: AI agents and a complex SaaS platform• Contribute directly to AI testing initiatives, helping validate, monitor, and improve AI driven capabilities in production• Build, maintain, and optimise automated test suites within CI/CD pipelines• Work ...

professionals. Managers and senior leaders within the group are recognised speakers in the QA community and are active thought leaders within the AI testing space, offering strong mentorship, exposure, and long term career development. The role operates as an embedded position within a cross functional Scrum team, with … test pyramid • Deliver hands on automation and quality engineering across two key domains: AI agents and a complex SaaS platform • Contribute directly to AI testing initiatives, helping validate, monitor, and improve AI driven capabilities in production • Build, maintain, and optimise automated test suites within CI/CD pipelines • Work ...

sprint planning, backlog refinement, and continuous improvement. Perform root cause analysis of defects and work with development teams for resolution. Ensure adherence to testing best practices, coding standards, and quality processes. Provide regular updates on test progress, coverage, and risk. Contribute to CI/CD pipelines and support test … automation integration into build processes. Essential Skills & Experience Strong, commercial experience in automation testing using Java. Proven hands-on experience with Selenium WebDriver for UI automation. Solid experience using Cucumber/BDD frameworks. Experience working within Agile/Scrum environments. Understanding of API testing tools and frameworks (e.g. ...

Infrastructure Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Infrastructure Testing experience +AWS/Azure +API +Manual and automated testing experience We’re looking for a hands-on Tester who’s as comfortable checking infrastructure … deployments and systems performance as they are validating user journeys in an app. You’ll work across a range of environments — from cloud setups and APIs to end-user interfaces — ensuring everything we ship is rock solid, performant, and secure. This isn’t a “click-around-and-tick-boxes ...