paying up to £65,000 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 ❯