4 of 4 Permanent Component Testing Jobs in the UK

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, load testing) 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 ...

telemetry, interactive dashboards, and configuration workflows. A key part of the role is managing UI complexity, replacing cluttered or fragmented interfaces with clean, composable component architectures that scale with the platform. Your work should not be limited to incremental improvements. You will challenge existing UI patterns, rethink how users … help evolve platform UI conventions, standards, and accessibility guidelines Optimise rendering performance for data-heavy, frequently updating views Architect and maintain a scalable component library and design system Implement robust state management for complex, real-time application state Design & work with, SQL database schemas (tables, relationships, indexes, constraints), data ...

Electronics Reliability & Component Qualification Engineer The Reality of the Role We don't build consumer tech or standard commercial electronics. Our hardware is deployed into the most brutal, high-consequence environments on the planet-operating miles beneath the earth's surface under crushing pressures and extreme temperatures exceeding … C+. When an asset is deployed downhole, our clients expect it to run flawlessly for decades without a single point of failure. If a component fails miles underground, pulling that tool back up can cost operators millions of pounds in rig downtime. Because of this, reliability ...

graphs Data tables Creating and maintaining advanced forms and workflow configurations Handling asynchronous requests, user feedback, validation, and error states Writing unit and component tests Supporting the continued growth and enhancement of platform UI features Required Experience & Skills Minimum of 2 years' experience in frontend development Strong knowledge … similar project management tools Desirable Technologies React or Angular frameworks D3.js or WebSocket integration Figma or similar UX/UI design tools OpenTelemetry Testing tools including: Jest Selenium Playwright Cypress Accessibility standards (WCAG) Exposure to AWS or Google Cloud Platform Advantageous Background Active GitHub portfolio or open-source contributions ...