1 to 25 of 48 Permanent Jest Jobs in the UK

Jira, BitBucket, Bamboo from Atlassian). Understanding of agile development methodologies (Scrum, Kanban). Excellent problem-solving, analytical, and debugging skills. Unit testing and automation tools such as JUnit, Jest, Cypress and Playwright. Strong communication and interpersonal skills, with the ability to collaborate effectively in a team environment. Preferred Skills and Qualifications: Prior experience building Enterprise SaaS platforms and products. More ❯

and version control workflows Understanding of software engineering best practices and clean code principles Nice to have Familiarity with Next.js and SSR/SSG Experience with testing frameworks like Jest, React Testing Library or Cypress Awareness of CI/CD tools and pipelines Basic understanding of backend technologies such as Node.js You'll be part of a modern engineering setup More ❯

/Auth systems (OAuth2/OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible More ❯

/Auth systems (OAuth2/OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible More ❯

APIs and token-based authentication (e.g., JWT). Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices, and performance testing frameworks like Jest and React Testing Library. Experience with performance and memory tuning using relevant tools. What we offer Join us and you'll find a different way of doing things. We call More ❯

and adaptability matter. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Vercel/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud basics : AWS, Docker, K8s (exposure preferred) Desirable Familiarity with RDBMS/NoSQL for data modeling awareness Interview Process More ❯

Building Cross-platform interfaces (Web, Phone, Tablet). Experience with modern build tools (Webpack, Vite, or similar) and version control (Git). Desired: Experience with TypeScript. Exposure to Cypress, Jest, or other testing frameworks. Experience in design systems or component library architecture. Interest in motion design, or animation frameworks (e.g., Framer Motion). Benefits: Competitive Base Salary Flexible working hours More ❯

growth and innovation. Contribute to DevOps practices including CI/CD pipelines and infrastructure automation. Required Skills TypeScript/Node.js REST APIs (Express, Nest.js, or similar frameworks) Unit testing (Jest or equivalent) Cloud computing (GCP preferred; AWS or Azure experience also valuable) Infrastructure as Code (Terraform or similar) Docker and Compose Continuous Integration tools and environments Experience in a Continuous More ❯

Service Bus Desirable Skills Knowledge of LDDF framework , MOD digital services, or Defence data standards Infrastructure as Code - Terraform or Ansible Experience with MODCloud, AWS, or Azure Testing frameworks: Jest, Mocha, Supertest Familiarity with JSP 440 , NCSC Secure Coding Guidelines , or Defence Digital standards Security Clearance Active SC clearance is mandatory . Candidates eligible for DV clearance will be prioritised More ❯

Eligible Qualifications You will have an extensive background in front-end development with significant experience working with React Experience in Redux or Zustand Experience in React Query Experienced with Jest for Unit Testing Experience in Node.js Experience with TypeScript desirable Experience with Nest.js or Express.js desirable Experience with Svelte desirable Should be able to demonstrate a strong core front-end More ❯

experience with AWS, full stack TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with integration and onboarding 3rd party vendors, meeting with vendor engineering contacts, defining integration patterns, abstracting More ❯

/UX, accessibility (WCAG/WAI), and usability standards Wireframing, prototyping, and high-fidelity mock-ups Use of Figma, Sketch or Adobe XD Testing tools such as Cypress, Mocha, Jest, Selenium, Playwright, Docker, Postman Experience in Agile and/or Waterfall environments What's on offer: Work with modern frameworks including both Vue.js and Nuxt.js, with migration planned Defined progression More ❯

React on the front end. Hands-on experience with cloud environments and Infrastructure-as-Code, alongside foundational CI/CD knowledge. Experience working with automated testing tools such as Jest, Cypress or Backstop. Understanding of RESTful APIs, microservices, documentation, versioning and mocking. Experience contributing to code reviews and working within Agile delivery environments. This is a full-time, permanent role More ❯

Hands-on experience with DevOps practices (CI/CD pipelines, Docker, GitHub Actions). Familiarity with frontend tooling such as Vite, ESLint, CSS-in-JS, and testing frameworks like Jest or Cypress. Excellent communication and collaboration skills. Strong leadership skills and the ability to guide teams through technical decisions. A passion for quality, performance, and security. Highly Desirable: Experience with More ❯

cloud services (AWS S3), caching (Redis), and CI/CD pipelines (e.g. GitHub Actions). Exposure to third-party integrations or payment gateways. Understanding of testing frameworks such as Jest or Cypress. Behavioural Attributes: Demonstrates respect and concern for others. Encourages open communication and collaboration. Maintains a positive, can-do approach when tackling challenges. Upholds our clients core values: Quality More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

coding practices and cloud-native architectures Frontend & Scripting Good experience with AngularJS Hands-on expertise in: Node 10, Groovy, Bash, TypeScript Testing Frameworks Working knowledge of: Karate, Gherkin, Cypress, Jest Additional Requirements Strong understanding of automation, integration, and cloud-native testing. Experience supporting service operations and resolving production issues. Proven background working in Agile/Scrum environments. Ability to design More ❯

clearly to stakeholders What We’re Looking For Strong technical background in TypeScript, React, Node.js, and Next.js Familiarity with GraphQL, Postgres, and Redis Experience using testing frameworks such as Jest and Cypress Solid understanding of CI/CD, DevOps , and cloud hosting (AWS, Docker, Pulumi, Heroku) Confident delivering features quickly and reliably, with a strong eye for quality Skilled at More ❯

TypeScript preferred) and web fundamentals such as HTML5, CSS3, JavaScript/TypeScript. Strong understanding of accessibility, performance optimization, and API consumption. Experience with front-end testing using tools like Jest, React Testing Library, Playwright, or Cypress. Ability to collaborate effectively with designers, PMs, and back-end developers. Desirable skills include exposure to Blazor, experience with design systems like Storybook, and More ❯

SSR) and static site generation (SSG) Strong understanding of internationalisation (i18n) and localisation practices Experience with component library development and design system implementation Knowledge of frontend testing strategies (Cypress, Jest, React Testing Library, Storybook) Previous experience with CI/CD pipelines for frontend applications (Jenkins, GitHub Actions) Understanding of web performance optimisation and core web vitals Strong problem-solving skills More ❯

systems, advanced note formatting, and seamless integrations—all built with React and TypeScript and secured with end-to-end encryption. Tech Stack and Tools: • JavaScript, TypeScript, React, ES6, Playwright, Jest, Grafana • All Standard Notes codebases are open source: Encryption presents unique challenges to front-end development. Features like search and syncing are designed to function entirely within a secure and More ❯

JavaScript frameworks Strong experience of HTML, CSS, SASS Experience of working with UX/UI designs Ideally exposure to Figma & Adobe Suite Experience of working with testing tools like: Jest & Cypress Exposure to mentoring and supporting team development would also be beneficial The company are working in a Hybrid model, which would require you to travel to their off office More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact More ❯