26 to 50 of 68 Jest Jobs in the UK

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 ❯

2.0 for designing workflowsFamiliarity with CI/CD pipelines (e.g., Jenkins, GitLab CI) and containerization (e.g., Docker, Kubernetes)Knowledge of unit testing and integration testing frameworks (e.g., JUnit, Mockito, Jest, React Testing Library)You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and More ❯

for designing workflows Familiarity with CI/CD pipelines (e.g., Jenkins, GitLab CI) and containerization (e.g., Docker, Kubernetes) Knowledge of unit testing and integration testing frameworks (e.g., JUnit, Mockito, Jest, React Testing Library) You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and 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 ❯

Knowledge of performance tuning techniques including lazy loading, code splitting, and asset optimisation. Experience consuming secure REST APIs from the browser. Familiarity with front-end testing frameworks such as Jest, React Testing Library, Playwright or Cypress. Solid understanding of modern front-end tooling (e.g., npm/yarn, Vite/Webpack, ESLint/Prettier). Strong communication and collaboration skills across 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 ❯

best practices: memoization, virtualization, code-splitting, lazy loading, minimizing re-renders; use React Profiler and browser devtools Secure frontend practices (XSS/CSRF mitigation, CSP, input sanitization) Testing with Jest and React Testing Library Understanding of modern build tooling (Vite/Webpack), bundling, and asset delivery Here's what we're looking for: Technical Skills Solid engineering experience across frontend 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 ❯

UX, User-centred design, accessibility (WCAG/WAI) and usability Wireframes, prototypes and high-fidelity mock-ups Figma or similar e.g. Sketch, Adobe XD Testing frameworks (e.g. Cypress, Mocha, Jest), and broader testing tools such as Selenium, Playwright, Docker, Postman. GitHub or similar Essential functions of the job Development, Design, Architecture Ensure product managers and stakeholders requirements are met through More ❯

create database schemas that represent and support business processes Technologies - Familiarity with TypeScript, Cordova, Native development for Android and/or iOS, RAIL Performance, PWA, SSR, Node, Cypress and Jest Full Stack - Full-stack experience (double bonus points if Ruby or Elixir) This list is not exhaustive and there may be other activities you are required to deliver. What we More ❯

teams you will deliver elegant and robust solutions to solve complex problems for our customers and colleagues. The Web Platform is a set of opinionated tools , TypeScript, NX, Playwright, Jest, GitHub Actions) used by anyone building web apps at M&S. We focus on productivity metrics, developer satisfaction, and lead time to change, to make sure every engineer at M More ❯

the role Technology We're pragmatic about our technology choices. These are some of the things we use at the moment: Python PostgreSQL, BigQuery, MySQL TypeScript, React, styled-components Jest, React Testing Library, Cypress, pytest AWS, GCP ECS Fargate, Docker, Terraform, GitHub Actions How we expect you to work We expect you to work in these ways, as well as More ❯

Step Functions, Apigee) Proficiency in Java (Springboot), AngularJS, Jenkins, Node 10, Groovy, Bash, Typescript. Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube Knowledge of Karate, Gherkin, Cypress, Jest Understanding of DevOps practices. Ability to design and implement secure systems. Experience with automation and integration tools. Knowledge of service support and fault resolution Experience of working in Agile teams. More ❯

a microservices-based architecture They work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive, collaborative, and adaptable Approachable and More ❯

to a microservices-based architecture They work with a variety of technologies. Youll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node.js, Jest, Cypress Ruby (non-Rails environment) nice to have AWS: EC2, ECS, Lambda, S3, SQS Serverless.com Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive, collaborative, and adaptable Approachable More ❯

improved developer experience Ensure code quality through linting tools eg ESLint Prettier and enforce consistent coding standards Write and maintain unit integration and endtoend tests using libraries such as Jest React Testing Library Detox or Cypress Follow security best practices to protect user data and prevent vulnerabilities Implement accessibility standards WCAG to ensure inclusive user experiences Monitor and resolve performance More ❯

discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) Practical cloud native experience Experience with BDD frameworks and repository management Preferred qualifications, capabilities, and skills Experience with Playwright, Cypress, Jest, JUnit, Pytest, JMeter, BlazeMeter, Karate, PactFlow, Cucumber, BDD/TDD, and similar Experience with Unit, Component, Contract, Integration, Acceptance, End-to-End, Mutation, Resiliency, and Performance testing Experience with Jenkins More ❯

Node.js PHP (Laravel and Symfony) Front-end frameworks: Vue.js and React.js APIs: GraphQL and REST Databases: MSSQL, MySQL and PostgreSQL Git and version control best practices Testing frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performance tuning Education 2:1+ degree in Software Engineering More ❯