51 to 72 of 72 Remote/Hybrid Jest Jobs

Senior UI Software Engineer

Location
Aylesbury, England, United Kingdom
Proven experience of the Angular UI framework. Worked in an Agile (Scrum) engineering environment. Cross-platform and cross-browser development experience. Experience using the Jest unit test framework. Experience using the Cypress browser testing framework Company Benefits And Perks We believe that the best solutions are developed by teams ...

IAM Product Engineer

Location
Greater London, England, United Kingdom
spec-driven planning and automated log analysis to CI/CD validation. Our Stack NodeJS, React, Typescript, Mongo, GitHub, Kubernetes, AWS, Vercel, Circle CI, Jest Interviewing Process We appreciate your time, your interest in the company and dedication during the interviewing process. We'll do our best to move quickly ...

Senior AI Quality Engineer

Location
Greater London, England, United Kingdom
regulated environments Our tech stack Frontend: TypeScript, React, React Native Backend: PHP (Symfony), Kotlin, AWS, Postgres, RabbitMQ, Docker, Kubernetes Testing: PHPUnit, Behat, JUnit, Kotest, Jest, Maestro, K6 Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, Grafana Why join? See your work matter: Our products are used by millions ...

Senior AI Quality Engineer

Hiring Organisation
Lendable
Location
London, United Kingdom
Salary
£ 80 K
institutional) or other regulated environmentsOur tech stackFrontend: TypeScript, React, React NativeBackend: PHP (Symfony), Kotlin, AWS, Postgres, RabbitMQ, Docker, KubernetesTesting: PHPUnit, Behat, JUnit, Kotest, Jest, Maestro, K6Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, GrafanaWhy join See your work matter: Our products are used by millions of customers ...

Frontend Developer (Vue.js & React)

Location
Greater London, England, United Kingdom
Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience building interactive interfaces and modern UIs Competitive salary based on experience Latest development equipment and tools ...

Frontend Engineer

Location
Reading, England, United Kingdom
quality UI components Translating designs into responsive and accessible interfaces Integrating with backend services via REST APIs Writing automated tests using tools such as Jest and React Testing Library Deploying frontend applications into production Monitoring frontend performance and quality Contributing through code reviews and pair programming Working closely with Product ...

React Native Engineer

Hiring Organisation
Consortia
Location
London, United Kingdom
Salary
£ 80 K
/Kanban).Bonus Points:Experience with Redux, GraphQL, or other state management libraries.Background working with SaaS or FinTech applications.Familiarity with mobile testing frameworks like Jest or Detox.Experience with cloud services and mobile deployment pipelines.Location: Hybrid (2 days per week onsite in London ...

React Native Engineer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
.Bonus Points: Experience with Redux, GraphQL, or other state management libraries. Background working with SaaS or FinTech applications. Familiarity with mobile testing frameworks like Jest or Detox. Experience with cloud services and mobile deployment pipelines. Location: Hybrid (2 days per week onsite in London ...

Staff Product Security Engineer

Location
Greater London, England, United Kingdom
test 5th stage - Meet with our VP of Engineering Additional information Doxy.me tech stack Frontend: React, TypeScript, Playwright, WebRTC, Next.js, Nx.dev Backend: Nodejs, TypeScript, Jest, NestJS, Nx.dev Cloud: AWS 3rd party: Vonage, Segment, Twilio, Stripe Our team: technologists, academics, researchers, and innovators from all over the world. English ...

Senior Software Engineer I (Frontend) New London, UK

Location
Greater London, England, United Kingdom
understanding customer needs and the real‐world impact of their work. Is passionate about quality, with hands‐on experience in TDD and tools like Jest and React Testing Library. Values clean, maintainable code and enjoys discussing different ideas and approaches. Has experience mentoring and supporting other engineers, contributing ...

Senior Software Engineer I (Frontend)

Hiring Organisation
Rightmove
Location
London, United Kingdom
Salary
£ 80 K
team, understanding customer needs and the real‐world impact of their work.Is passionate about quality, with hands‐on experience in TDD and tools like Jest and React Testing Library.Values clean, maintainable code and enjoys discussing different ideas and approaches.Has experience mentoring and supporting other engineers, contributing to an environment where ...

Software Engineer - Materials Management

Hiring Organisation
Biovia
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 80 K
high-performance RESTful APIs for large-scale SaaS environmentsTesting Excellence: Passionate about quality, with experience using automated backend testing frameworks (e.g., JUnit, Mocha/Jest)Mindset: A strong sense of ownership, an agile mindset, and excellent English communication skillsExperience working with RDF databases/graph databases and querying with SPARQLA ...

Senior Frontend Engineer

Hiring Organisation
Version 1
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
Native is beneficial. Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management. Experience in Unit Testing with Jest Continuous Integration experience (Docker) A passion for coding and keeping up to date with new technologies frameworks and techniques Extensive experience in an Agile environment ...

Senior Frontend Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Work From Home
Native is beneficial. Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management. Experience in Unit Testing with Jest Continuous Integration experience (Docker) A passion for coding and keeping up to date with new technologies frameworks and techniques Extensive experience in an Agile environment ...

Senior Frontend Engineer

Location
Cambridge, England, United Kingdom
libraries such as Styled Components. An advocate and implementer of industry best practices in frontend engineering including automated testing, using frameworks such as Jest and React Testing Library. What will help you thrive in the Frontend Team Our product is technically demanding - built for domain experts who rely ...

Senior Frontend Developer

Location
Winnersh, England, United Kingdom
i18next, or comparable internationalization frameworks Understanding of language detection, translation management, interpolation, pluralization, and locale-aware UI behaviour Testing Strong testing practices using Vitest, Jest, or an equivalent test runner Experience with Testing Library and user-focused component testing Experience mocking APIs and network requests using MSW or comparable tooling ...

React Developer

Hiring Organisation
Templeton and Partners
Location
London, United Kingdom
Salary
£ 60 K
provide constructive, objective feedback. Excels in front-end development using ReactJS, JavaScript, and/or TypeScript. Is experienced in writing tests with libraries like Jest, Cypress, or similar. Understands how to create and maintain reliable, reusable libraries. Thrives on tackling complex technical challenges with creativity and precision. (Bonus) Has experience ...

Senior Quality Engineer

Location
Greater London, England, United Kingdom
stage - Technical Interview 4th stage - Executive Leadership Interview Additional information Doxy.me tech stack Frontend: React, TypeScript, Playwright, WebRTC, Next.js, Nx.dev Backend: Nodejs, TypeScript, Jest, NestJS, Nx.dev Cloud: AWS 3rd party: Vonage, Pubnub, Segment, Twilio, Stripe Our product: Doxy.me: The simple, free, and secure telemedicine solution currently used by over ...

Front End Developer

Location
Greater London, England, United Kingdom
designs and requirements into high-quality interfaces. Develop reusable components using modern UI component libraries. Write and maintain unit tests using tools such as Jest or Jasmine. Work within Agile development teams and contribute to sprint planning, refinement and delivery. Ensure applications meet WCAG accessibility standards. Use Git for version … TypeScript/JavaScript (ES6+). HTML5 and CSS3, including responsive design. REST API integration. State management experience, ideally Redux or NgRx. Unit testing with Jest, Jasmine or equivalent. Git. Strong understanding of WCAG and accessible web development. Experience with modern UI/component libraries. Experience working within Agile development teams. ...

Senior Software Developer

Location
Otley, England, United Kingdom
Job title: Senior Software Developer Department: Technology Team: Software Reporting to: VP, Clinical & Academic Technologies People Manager? No Location: Hybrid (ideally based in our Bottisham office for 2-3 days per week) Contract: Permanent Working ...

Senior Quality Engineer (mobile)

Location
Greater London, England, United Kingdom
Define and evolve a pragmatic test pyramid for React Native - deciding where E2E is worth the weight and where logic belongs in faster layers (Jest, React Testing Library, component tests). Make deliberate calls about coverage, reliability, and speed trade-offs across the app. Set the bar for what "ready … testing experience, with a point of view on test data and environment strategy. OUR TECH STACK Mobile: TypeScript, React Native, Expo, EAS, GraphQL, Relay, Jest, React Testing Library, Maestro. Backend: Kotlin, PHP 8 (Symfony), AWS, Postgres, RabbitMQ, Docker, Kubernetes. Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, Grafana. ...

Senior Software Engineer – Platform Frontend Team

Location
Greater London, England, United Kingdom
authentication, and reporting/persistence APIs; guide configuration and deployment best practices across environments. Uphold engineering standards — code style and quality gates, localisation requirements, Jest unit coverage, Typedoc documentation, and CI‐ready builds via Webpack/Docker. Provide technical leadership: mentor engineers through reviews, pairing, and architectural collaboration, while investing … knowledge of DICOM/DICOMWeb workflows, imaging metadata, multi-series coordination, and medical data privacy considerations. Tooling fluency: Webpack 5, npm scripts, Dockerised deployments, Jest testing, ESLint/Prettier automation, and scalable state management patterns. Secure OAuth/OpenID (Keycloak) implementations, robust API integration, resilient error handling, and localisation pipelines. ...