solutions. Excellent interpersonal and communication skills with employees at all levels and good written English. Technical skills: Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL databases Unit-testing Integration testing Infrastructure: Vercel (or More ❯
Frontend:/strong/b/li li ul li HTML, CSS/li li JavaScript (ES2020+), TypeScript/li li SolidJS or React/li li Unit-testing (Vitest/Jest/similar)/li li End-to-end testing (Cypress/Playwright/similar)/li/ul/li li b strong Backend/strong/b More ❯
quality, production-ready React single-page applications that power our cutting-edge solutions. This role offers the unique opportunity to drive technical excellence by championing code quality, robust testing (Vitest, Cypress), and best practices in front-end architecture, performance, and accessibility. You'll thrive in an Agile environment, contributing actively to workstreams, while also building modular, reusable components with Storybook … and component development (Storybook). Commercial experience with SPA solutions, ideally for administrative CMS platforms, and integrating with 3rd party systems. Extensive experience with unit, E2E, and regression testing (Vitest, React Testing Library, Cypress). Experience with Jest is also valuable. Commercial experience using Git for Continuous Integration in large development teams. Solid understanding of Agile methodologies (Kanban and/ More ❯
London, England, United Kingdom Hybrid / WFH Options
Satalia (NPComplete)
the end-to-end delivery of high-quality, production-ready React single-page applications that power our solutions. You will drive technical excellence by championing code quality, robust testing (Vitest, Cypress), and best practices in front-end architecture, performance, and accessibility. You will thrive in an Agile environment, contribute to workstreams, build modular, reusable components with Storybook, and integrate with … end build tools (e.g., Vite) and component development (Storybook). Experience with SPA solutions, especially for CMS platforms, and integrating with third-party systems. Experience with testing tools like Vitest, React Testing Library, Cypress, and Jest. Proficiency with Git for CI in large teams. Understanding of Agile methodologies. Excellent communication skills. Experience mentoring junior developers. DESIRABLE SKILLS Experience with Next.js More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TXM Recruit
web applications and supporting underlying CI/CD platforms. Consider the reusability of code, components, and module development while writing code. Experience mentoring junior engineers. Understands testing such as Vitest, React Testing Library and Playwright. Experience working in AWS. You have a Start-up mentality. Apply now More ❯
web applications and supporting underlying CI/CD platforms. Consider the reusability of code, components, and module development while writing code. Experience mentoring junior engineers. Understands testing such as Vitest, React Testing Library and Playwright. Experience working in AWS. You have a Start-up mentality. Apply now More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
knowledge. Strong React knowledge. Experience with state management libraries, such as Zustand. Ability to write clean, maintainable and testable code. Experience with writing automated tests and testing frameworks like Vitest and Playwright. Experience with designing clean APIs using architectural styles like REST and GraphQL. Ability to implement beautiful styles using CSS. Ability to take ownership of work independently. Good communication More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Integrate AI workflows (LangGraph, OpenAI/Anthropic/Gemini) into planning and marketing modules, including prompt design, evaluation and safety. 10% Drive code quality through PR reviews, automated testing (Vitest/Playwright), and IaC best practices (CDK, SST). 10% Mentor teammates and collaborate with Product, Data, and Artist Relations to translate business goals into resilient software. 5% Champion DevEx More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
experience in frontend web development Expert knowledge of React, TypeScript, Next.js Deep understanding of modern frontend architecture (state management, component patterns, hooks, etc.) Experience with web testing frameworks (e.g. Vitest, Jest, React Testing Library, Playwright, Cypress) Experience with CSS-in-JS libraries (e.g. Vanilla Extract, Emotion, Styled Components) Familiarity with CI/CD processes and version control (e.g. Git) Experience More ❯
London, England, United Kingdom Hybrid / WFH Options
Natter
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 frontends … 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. You’re More ❯
our types! We also use d3, Formik, and Zustand to build out the products, and styled-components and tailwind to make them pretty. And then we test them with vitest, jest, and playwright. If you're also interested in the backends, here's some other tech we use: PHP, NodeJS, Docker, Elastic, Redis, and all the services offered by AWS. More ❯
London, England, United Kingdom Hybrid / WFH Options
Wayflyer
RESTful APIs and asynchronous programming patterns Working knowledge of Python and Django, or willingness to learn Solid understanding of version control with Git Experience with testing frameworks (e.g., Playwright, Vitest) Strong problem-solving skills and meticulous attention to detail Excellent communication abilities and proven track record of successful team collaboration What is important to point out is that you can More ❯
London, England, United Kingdom Hybrid / WFH Options
Citi
and TypeScript, ensuring high quality, clean and maintainable code. Manage application state using redux and middleware such as redux toolkit. Ensure high test coverage by writing unit tests using Vitest and integration tests using cypress. Write and maintain a suite of reusable UI components which can be used across all Trade Management web apps. Contribute to the overall application architecture … to different working environment. Requirements: Extensive experience in frontend development with React and TypeScript. In-depth knowledge of React, Redux, RTK, Cypress and Storybook. Extensive experience with Cypress and Vitest which focus on test driven development. Advanced proficiency in JavaScript and TypeScript including understanding of complex types, interfaces and generics. Proficiency in responsive web design and CSS. Familiar with backend More ❯
Proficiency in TypeScript, React, and frameworks like NextJS Familiarity with state management libraries (Zustand, Redux, MobX, etc.) Experience with GraphQL/REST APIs Experience with testing tools such as Vitest, Jest, Playwright Understanding of CI/CD practices and deployment pipelines Nice to have: Experience with design systems and component libraries Experience with Headless CMS platforms Knowledge of responsive design More ❯
Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end tests, as well as establishing best practices for test coverage and continuous integration pipelines. Significant More ❯
