requirements. Integrate and optimize REST APIs for data retrieval and manipulation. Develop reusable components and ensure consistency across applications. Write and maintain high-quality, testable code with tools like Jest and Playwright. Perform data wrangling tasks and contribute to data analysis processes where necessary. Troubleshoot, debug, and enhance existing applications to improve performance and reliability. Why Join Us? This role … that values innovation, learning, and collaboration. Required Skills & Experience Web Development: Proficient in React and TypeScript. Data Visualization: Experience with libraries such as Highcharts and D3.js. Testing: Familiarity with Jest and Playwright or similar testing frameworks. REST APIs: Strong understanding of integrating and working with RESTful services. Data Skills: Experience in data wrangling/analysis (e.g., using SQL or Python More ❯
Washington, Washington DC, United States Hybrid / WFH Options
The Arena
Full Stack Engineer Location: Hybrid/Onsite Washington, DC Clearance: Active TS/SCI with CI Polygraph Employment Type: Full-time, salaried, with full benefits About the Company: Join a mission-driven tech innovator at the forefront of national security More ❯
via REST API and/or GraphQL Work with React Native's new architecture , applying best practices for scalability and performance Write unit and integration tests using tools like Jest , Detox , and Testing Library Optimize the performance of mobile applications Implement and manage state management solutions (e.g., Redux , Mobx ) Collaborate with backend teams and designers to ensure consistency and high … React Native debugging skills - ability to troubleshoot and resolve complex issues with React Native applications using debugging tools, logs, and error tracking. Practical knowledge of JavaScript and testing frameworks (Jest, Detox, Testing Library) . Experience in Brownfield Development . Experience working with REST API and GraphQL . Understanding of state management patterns and solutions like Redux and Mobx . Experience More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown PLC
via REST API and/or GraphQL Work with React Native's new architecture , applying best practices for scalability and performance Write unit and integration tests using tools like Jest , Detox , and Testing Library Optimize the performance of mobile applications Implement and manage state management solutions (e.g., Redux , Mobx ) Collaborate with backend teams and designers to ensure consistency and high … React Native debugging skills - ability to troubleshoot and resolve complex issues with React Native applications using debugging tools, logs, and error tracking. Practical knowledge of JavaScript and testing frameworks (Jest, Detox, Testing Library) . Experience in Brownfield Development . Experience working with REST API and GraphQL . Understanding of state management patterns and solutions like Redux and Mobx . Experience More ❯
and product managers to deliver cohesive features Contribute to documentation and share knowledge within the team Tech Stack Frontend: Angular (v18+), TypeScript, RxJS, SCSS, HTML5 State Management: NgXS Testing: Jest, Cypress Design: Figma Communication: REST APIs, WebSockets Tooling: Modern Angular CLI, ESLint, Prettier, Storybook Candidate Profile 5+ years of hands-on experience with Angular in production-grade applications Strong command … reactive programming (RxJS) Deep understanding of SPA architecture and modern frontend best practices Experience with state management using NgXS or NgRx Confident in writing unit and E2E tests with Jest/Cypress Practical experience with CI/CD pipelines and version control workflows Familiarity with Agile/Scrum methodologies and collaboration in cross-functional teams Performance-aware mindset with attention More ❯
using: We Rely Heavily On The Following Tools And Technologies React & Typescript to write our frontend application code Playwright for our end-to-end tests Sentry for metrics & monitoring Jest , Vitest & React Testing Library for our unit tests AWS for our production and staging environments We'd love to hear from you if You have 5+ years' experience developing robust … JavaScript/TypeScript, semantic HTML & CSS A deep understanding of ReactJS & Redux You have experience using WebRTC Experience using Sentry or similar app monitoring/telemetry platform Experience with Jest or Vitest testing frameworks You have an ability to see through conflicting or unclear priorities. Prioritise them, focus and act decisively with the overall context of the business in mind. More ❯
Southampton, Hampshire, South East, United Kingdom
Deerfoot Recruitment Solutions
and Ionic Translate UX designs and wireframes into polished front-end interfaces Develop and maintain shared UI components, including documentation via Storybook Write clean, maintainable, and testable code using Jest and React Testing Library Partner with backend developers for API integration and delivery Act as a subject matter expert in UI/mobile development within the wider digital team Key … experience in cross-platform mobile development for iOS and Android , ideally with Next.js Strong proficiency in React , Next.js , and Ionic Familiarity with Context API , GitHub , and testing tools like Jest Proven ability to troubleshoot deployment issues and optimise user performance Knowledge of software architecture and engineering best practices Desirable : Azure, .NET, CI/CD (YAML), accessibility standards Exposure to financial More ❯
About Fresha is the leading marketplace platform for beauty & wellness, trusted by millions of consumers and businesses worldwide. Fresha is used by 120,000+ businesses and 450,000+ professionals globally, processing over 1 billion appointments to date. The company is More ❯
Cheadle, Staffordshire, United Kingdom Hybrid / WFH Options
Pets at Home
web applications using React, Next.js, and TypeScript Lead frontend architecture and design within your squad Champion accessibility and performance best practices Write robust unit and end-to-end tests (Jest, Playwright/Cypress) Mentor developers and drive high-quality code through reviews Collaborate with cross-functional teams to deliver impactful features What You Bring: Extensive frontend development experience Deep knowledge … architecture Strong testing skills and experience with Storybook and cloud platforms (Azure a plus) A passion for clean code, collaboration and continuous improvement Tech: Microsoft Azure React Typescript Next.js Jest Storybook Playwright Cypress Server Side Rendering (SSR) Static Generation (SSG) We take our inspiration from pets in embracing people from all walks of life, and we value, respect and celebrate More ❯
Senior Front-End Engineer Department: Engineering Employment Type: Permanent - Full Time Location: UK - Remote Description When you join Exclaimer you will join a global award winning SaaS provider with an exceptional revenue rate, ambitious growth plans, and an exciting work More ❯
