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 ❯
Frontend Engineer with proficiency in React, React Native, Next.js Strong understanding of JavaScript, TypeScript, HTML, and CSS Familiarity with RESTful APIs and GraphQL Experience with testing tools such as Vitest, React Testing Library, and Playwright Knowledge of Continuous Integration and Delivery techniques Experience with Cloud Platforms, ideally AWS Advocate of automation at all levels, including unit and performance testing Code More ❯
Bromsgrove, Worcestershire, West Midlands, United Kingdom Hybrid / WFH Options
Reed Technology
and Azure Solid understanding of frontend frameworks (React preferred), state management , and component-based architecture Experience with SQL , Git , Postman , JSON/XML , and automated testing frameworks (e.g., Jest, Vitest) Familiarity with CI/CD tools , source control , and agile development methodologies Bonus: Experience with Umbraco , SharePoint , or AI/ML integration Strong problem-solving skills, attention to detail, and More ❯
Washington, Washington DC, United States Hybrid / WFH Options
The Arena
design, migrations, stored procedures, query optimization - DevOps: Docker, GitHub Actions/GitLab Pipelines, semantic versioning, feature flags, AWS or equivalent Experience writing tests (unit and integration), using tools like Vitest or Jest. Familiarity with secure software development in government or DoD environments. Strong communication skills with the ability to bridge mission context and technical execution. Preferred Experience: Experience working in More ❯
Skipton, North Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Skipton Building Society
environment. Strong front-end skills with?TypeScript?(JavaScript knowledge also valued) Familiarity with?REST APIs Solid understanding version controlsuch as Git. Experience with testing React applications using JEST or vitest Team-oriented mindset with strong communication skills Self-motivated and proactive in your approach to learning and delivery Would be great, but not essential if you also had: Experience working More ❯
Skipton, North Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Skipton Building Society
Native Proficiency in TypeScript (JavaScript also valued) Experience consuming REST APIs in mobile apps Solid understanding version controlsuch as Git Solid experience with testing React applications using JEST and vitest Strong collaboration and communication skills A proactive, self-directed approach to engineering challenges Would be great, but not essential if you also had: Experience in native mobile development for either More ❯
a production environment. Strong front-end skills withTypeScript(JavaScript knowledge also valued) Familiarity withREST APIs Solid understanding version controlsuch as Git. Experience with testing React applications using JEST or vitest Team-oriented mindset with strong communication skills Self-motivated and proactive in your approach to learning and delivery Would be great, but not essential if you also had: Experience working More ❯
Grimsby, South Humberside, North East, United Kingdom Hybrid / WFH Options
ZENOVO LTD
software issues, including network-level troubleshooting. Collaborate closely with cross-functional teams including firmware, support, and production. Champion strong testing practices across the stack using tools like Jest and Vitest . What We're Looking For Expert-level experience in backend development with TypeScript . Solid understanding of AWS cloud infrastructure and infrastructure-as-code (IaC), ideally using Terraform . More ❯
Hessle, North Humberside, United Kingdom Hybrid / WFH Options
Sewell Group
and back-end components Proficient in use of HTML5, CSS/SCSS, and modern JavaScript/TypeScript standards Experience writing and maintaining unit tests for both Vue (e.g., using Vitest, Jest) and C# (.NET using xUnit, NUnit or MSTest) Possess a positive approach to problem solving, with a process driven method to approach design solutions and a keen eye for More ❯
Motion. Performance Optimization: Monitor and optimize application performance using Sentry and PostHog, ensuring smooth user experiences across different devices and network conditions. Testing and Quality: Write comprehensive tests using Vitest and React Testing Library, maintaining high code quality standards. API Integration: Work closely with our Laravel backend team to integrate REST APIs effectively, ensuring seamless data flow between frontend and More ❯
Grimsby, South Humberside, North East, United Kingdom Hybrid / WFH Options
ZENOVO LTD
across our app ecosystem. Guide and mentor junior developers, providing technical direction and support. Support and advocate for test automation across the mobile stack using tools like Jest and Vitest . What We're Looking For Expert-level experience building cross-platform mobile apps with React Native and TypeScript . Solid understanding of Git , version control, and CI/CD 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 ❯
Liverpool, Lancashire, United Kingdom Hybrid / WFH Options
Homerun B.V
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 ❯
strong understanding of React Experienced with NextJS, preferably app router You consider unit testing a key part of software delivery You have used testing libraries such as Jest or Vitest and React Testing Library A drive to collaborate with the team and share your opinions to push our technology forwards Skills that are a nice to have TailwindCSS Experience building More ❯
with Vue 3 Supporting and maintaining open source software Implementing BDD (Behavior-Driven Development) practices Nice-to-haves Experience with Laravel, or Symfony Experience using Docker Familiarity with Vite, ViTest, ESLint Familiarity with PHPUnit and PHP Codesniffer and PHPStan Understanding of web security best practices Company benefits Long-term career development and progression Remote and flexible working hours Access to More ❯
Skipton, Yorkshire, United Kingdom Hybrid / WFH Options
SBS Skipton Building Society
_ga - Expires after 2 years (first-party cookie) _ga_nnnnnnnnnn - Expires after 2 years (first-party cookie) Hours: 35 hours per week, Hybrid working - 2 days a week in the office Closing Date: Thu, 31 Jul 2025 We're looking More ❯
You'll be working on a range of exciting projects, including websites and digital experiences for startups and household names alike. As part of a cross-functional team, you'll be developing from the ground up, implementing UI and functionality More ❯
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 ❯