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 ❯
London, England, United Kingdom Hybrid / WFH Options
Satalia (NPComplete)
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 ❯
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 ❯
Saint Neots, England, United Kingdom Hybrid / WFH Options
Pico Technology
ensure best UI/UX and web development practices (including use of Figma). Writing clean, maintainable, and efficient code that adheres to industry standards Conducting thorough testing using Vitest/Jest or similar testing libraries to ensure software quality and performance Translating business requirements into robust technical solutions Optimising website performance for speed, SEO, and accessibility, including AI search 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 ❯
state management Strong history of working with React and libraries like Material-UI (MUI), React Query/TanStack Query, and React Hook Form (preferred) Experience with testing frameworks like Vitest and Playwright Proficiency with GitHub for source-control Ability to write clean, maintainable, and well-tested code. Experience integrating RESTful APIs Strong problem-solving skills and attention to detail Excellent More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
OMEGA, Inc
state management Strong history of working with React and libraries like Material-UI (MUI), React Query/TanStack Query, and React Hook Form (preferred) Experience with testing frameworks like Vitest and Playwright Proficiency with GitHub for source-control Ability to write clean, maintainable, and well-tested code. Experience integrating RESTful APIs Strong problem-solving skills and attention to detail Excellent More ❯
that positively impact the department and company Collaborate with backend engineers on API specifications and integration Experience Have strong technical skills with: React, TypeScript, CSS, React Testing Library/Vitest, Playwright. Implemented performant, responsive front-end applications in agile Product teams. Have substantial experience working closely with product designers during discovery and implementation phases of projects. Have a strong understanding 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 ❯
Newbridge, Midlothian, Scotland, United Kingdom Hybrid / WFH Options
Exposed Solutions
tools like Context API Strong experience with Optimisation (useMemo, useCallback) Knowledge of React Query Understanding of component-based architecture and clean code structure (e.g. Atomic Design) Testing experience with Vitest , React Testing Library , and optionally Cypress Familiarity with Git and version control best practices Experience with form management (Formik) Familiar with Tailwind or other style libraries Exposure to Next.js or 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
Citigroup Inc
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Edelman
practices in collaboration with the team. Our Front-End Stack: Languages : TypeScript, JavaScript Frameworks & Libraries : React, Shadcn UI, Radix UI Styling : Tailwind CSS Tooling : Vite, Yarn, GitHub Actions Testing : Vitest, Playwright Deployment : AWS ECS & CloudFront, Vercel What We're Looking For: 7+ years of front-end development experience , including significant experience with React and modern TypeScript. Proven experience in designing More ❯
architectural discussions and uphold high technical standards. Promote a culture of quality, testing, and continuous improvement within your team. Technologies We rely heavily on: React & Typescript Playwright Sentry Jest , Vitest , & React Testing Library AWS Ideal Candidate 5+ years of frontend development experience in production environments. Proficiency in JavaScript/TypeScript, HTML, and CSS. Deep understanding of ReactJS & Redux. Experience with … WebRTC, Sentry, Jest/Vitest, and cross-browser testing. Ability to prioritize effectively and work well in ambiguous, startup-like environments. Desirable Skills Experience developing high-load frontend applications and maintaining component libraries. Knowledge of functional programming and cross-browser compatibility. Enjoyment of working in early-stage startups. Benefits Quarterly international team offsites. Remote and flexible work policies. Five weeks More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
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. #J-18808-Ljbffr More ❯
passion and drive, particularly ensuring your team is happy and motivated. Skills Typescript React Git Jest NPM Documentation Following and evolving patterns Beneficial: AWS S3, Cloudfront, Lambda AWS CLI vitest rollup vite Key Responsibilities: What You'll Do: Taking responsibility for the architecture and technical delivery of the products and solutions in your team. Managing a (currently home-based) agile More ❯
passion and drive, particularly ensuring your team is happy and motivated. Skills Typescript React Git Jest NPM Documentation Following and evolving patterns Beneficial: AWS S3, Cloudfront, Lambda AWS CLI vitest rollup vite Key Responsibilities: What You'll Do: Taking responsibility for the architecture and technical delivery of the products and solutions in your team. Managing a (currently home-based) agile More ❯
React, and GraphQL MongoDB Atlas AWS-based infrastructure using ECS, Lambda, and CloudWatch CI/CD pipelines with GitHub Actions, Terraform, and IaC Testing via Cypress (E2E), Jest/Vitest (unit) Observability with tools like Sentry, Datadog, or New Relic You won’t be starting from scratch, the platform is already live and scaling, but there is real scope to More ❯
React, and GraphQL MongoDB Atlas AWS-based infrastructure using ECS, Lambda, and CloudWatch CI/CD pipelines with GitHub Actions, Terraform, and IaC Testing via Cypress (E2E), Jest/Vitest (unit) Observability with tools like Sentry, Datadog, or New Relic You won’t be starting from scratch, the platform is already live and scaling, but there is real scope to More ❯
Elstree, England, United Kingdom Hybrid / WFH Options
elasticStage
in developing RESTful APIs and working with microservices architecture. Experience with databases such as MySQL, PostgreSQL, and NoSQL solutions. Strong experience in writing unit and integration tests (PHP Unit, Vitest, Cypress). Understanding of UI/UX principles to collaborate on the user interface. Excellent communication and teamwork skills. Degree in Computer Science, Software Engineering, or a related field, or More ❯
Elstree, England, United Kingdom Hybrid / WFH Options
elasticStage Ltd
frameworks (Vue, React), preferably Vue3 and have a good understanding of modern frontend and backend technologies. Experience in writing frontend and backend unit and integration tests (eg.: PHP Unit, Vitest, Cypress). Attention to detail and a commitment to producing high-quality, maintainable code. Excellent communication and teamwork skills. Degree in Computer Science, Software Engineering, or a related field, or More ❯