Join us as a Testing Engineer at Barclays, where you'll work on simplifying and automating our testing strategy for products and services built in-house. You will be championing our engineering capabilities through a testing lens, all while enjoying the benefits of being part of an extensive professional network. This role offers unique opportunities to collaborate … with industry mentors and experts, fostering your growth and development. To be successful as a Testing Engineer , you should have experience with: Automated testing frameworks and test-driven development. Designing and executing (in Python) test cases, regression testing, performance testing and loadtesting methodologies. Analytical skills for troubleshooting multi-faceted issues and root cause … analysis. Some other highly valued skills may include: Experience with API testing and integration testing. Familiarity working with Infrastructure as Code with one of the Hyperscales - AWS preferred. Familiarity with AI/ML Technologies and Conversation Interfaces. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation More ❯
to ensure systems remain reliable andperform under varying workloads. Performance Optimization: Performance tuning : Continuously analyze system performance and make optimizations (e.g., tuning databases, improving response times, optimizing caching). Loadtesting and stress testing: Conduct load and stress tests to ensure systems can handle high traffic and performance demands without failure. Infrastructure Management: Cloud infrastructure management More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Reed
the UK’s most recognisable brands in creating more connected, people-focused workplaces. As an Automation QA Engineer, you’ll take the lead in building and refining their automated testing capabilities. You’ll be a key player in ensuring their releases are robust, reliable, and ready to scale -helping deliver a seamless experience to our users. Within this role … maintain automated tests across UI, API, and regression layers Embed automated checks into their CI/CD pipelines (e.g. Azure DevOps) Identifying areas for improved coverage and reduced manual testing Support performance and loadtesting initiatives Collaborate with QA, product, and engineering teams to define testing approaches and success metrics Skills: 3–5+ years in QA … on automation Hands-on experience with test automation frameworks Familiarity with tools like Playwright, Ghost Inspector, and Postman Solid understanding of version control (Git), CI/CD pipelines, and testing best practices Strong communication and documentation skills Bonus: Recent manual testing experience Salary for this role is up to £50K DOE Benefits include: A meaningful role in a More ❯
paying up to £45,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third party REST & GraphQL API's CSS (We use Tailwind) Desirable: Component library design using Storybook. Experience … using Cloudflare workers. Performance optimisation experience (code-splitting, caching, loadtesting) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability) Knowledge of various front-end architectural patterns E2E Testing experience (Cypress/Playwright) Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights) If you would be interested More ❯
paying up to £45,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third party REST & GraphQL API's CSS (We use Tailwind) Desirable: Component library design using Storybook. Experience … using Cloudflare workers. Performance optimisation experience (code-splitting, caching, loadtesting) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability) Knowledge of various front-end architectural patterns E2E Testing experience (Cypress/Playwright) Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights) If you would be interested More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Experis - ManpowerGroup
analyse performance test scenarios for large-scale enterprise systems. Work closely with software engineers, operations teams, and stakeholders to define performance requirements and acceptance criteria. Lead or support performance testing in Agile delivery environments alongside DevOps, QA, and delivery teams. Identify performance bottlenecks, provide actionable insights, and collaborate with technical teams to implement optimisations. Advise on loadtesting tools and frameworks, simulate realistic production-like loads, and build out continuous testing capabilities. Communicate performance findings effectively to both technical and leadership audiences. Required Experience & Qualifications Active Security Check (SC) or Developed Vetting (DV) clearance required prior to starting. Proven track record in performance testing within regulated or public sector projects, ideally Defence-related. Technical expertise … with performance testing tools (e.g., JMeter, LoadRunner, Gatling) and monitoring platforms. Good understanding of cloud-based architectures, API technologies, CI/CD pipelines, and performance engineering best practices. Excellent stakeholder engagement skills to bridge the gap between technical teams and product or service owners. Strong analytical and diagnostic capabilities, with a focus on quality and operational reliability. What's More ❯
City, Manchester, United Kingdom Hybrid / WFH Options
Experis
analyse performance test scenarios for large-scale enterprise systems. Work closely with software engineers, operations teams, and stakeholders to define performance requirements and acceptance criteria. Lead or support performance testing in Agile delivery environments alongside DevOps, QA, and delivery teams. Identify performance bottlenecks, provide actionable insights, and collaborate with technical teams to implement optimisations. Advise on loadtesting tools and frameworks, simulate realistic production-like loads, and build out continuous testing capabilities. Communicate performance findings effectively to both technical and leadership audiences. Required Experience & Qualifications Active Security Check (SC) or Developed Vetting (DV) clearance required prior to starting. Proven track record in performance testing within regulated or public sector projects, ideally Defence-related. Technical expertise … with performance testing tools (e.g., JMeter, LoadRunner, Gatling) and monitoring platforms. Good understanding of cloud-based architectures, API technologies, CI/CD pipelines, and performance engineering best practices. Excellent stakeholder engagement skills to bridge the gap between technical teams and product or service owners. Strong analytical and diagnostic capabilities, with a focus on quality and operational reliability. What's More ❯