1 to 25 of 30 Jest Jobs in the North of England

CSS3, and modern frontend frameworks. DevOps: Familiarity with CI/CD tools (GitHub, Jenkins, Harness), Docker, Kubernetes, and cloud platforms (GCP preferred). Automation: Experience with automated testing frameworks (Jest, Cypress, Pact, etc.). ABOUT WORKING FOR US Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we More ❯

and GraphQL APIs Working knowledge of SQL and NoSQL databases (PostgreSQL, MongoDB, DynamoDB) Exposure to Infrastructure as Code tools (Terraform or CloudFormation) is beneficial Experience with testing frameworks like Jest or Cypress Comfortable working with CI/CD pipelines and automated deployments Awareness of security best practices and performance optimisation Collaborative mindset and ability to work effectively in agile teams More ❯

CSS3, Spring Boot and relational databases) Proficiency in working with RESTful APIs. Strong experience of test first development and unit testing with modern testing frameworks and tools such as Jest, Enzyme, React Testing Library, Pact, Cypress and Playwright. Familiarity with CI/CD and build pipelines, using tools such as Github, Harness, Jenkins, Docker, ELK, Grafana and Dynatrace. Take ownership More ❯

speed and scalability Build reusable code and libraries for future use Your Profile Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework (e.g., Jest) Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices Experience with SQL (MS SQL preferred), cloud technology and messaging tools. Experience with standard DevOps tools: Jira More ❯

Use modern testing practices and frameworks integrated with CI/CD pipelines. Strong experience of test first development and unit testing with modern testing frameworks and tools such as Jest, Enzyme, React Testing Library, Pact, Cypress and Playwright. DevOps: Familiarity with CI/CD and build pipelines, using tools such as Github , Harness, Jenkins, Docker, ELK, Grafana and Dynatrace. Take More ❯

all levels of the organisation. Nice to have: Experience in a gaming company. Knowledge of server-side rendering and backend technologies (e.g., Node.js). Familiarity with testing frameworks (e.g., Jest, Playwright) and test-driven development (TDD) practices. Experience with Agile/Scrum development methodologies. We warmly invite applications in English. Diversity & Inclusion at Sportserve At Sportserve, we are deeply committed More ❯

effectively visualizing complex data, such as Recharts or Apex. Performance Optimization: Proven ability to optimize web application performance for speed and responsiveness. Testing Frameworks: Experience with testing frameworks (e.g., Jest, React Testing Library, Cypress) to ensure code quality and reliability. Highly Desirable: Experience working with Customer Data Platforms (CDPs) or similar data-intensive applications. Although not essential, experience working with More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

design Experience with Git-based workflows and tools like Azure DevOps Bonus Points For Exposure to Azure cloud services (App Services, Functions, etc.) Familiarity with unit testing tools like Jest or NUnit Understanding of CI/CD pipelines and DevOps processes Awareness of accessibility and user-centered design principles Interest in mentoring junior devs or helping others grow What We More ❯

automation, CI & deployment tooling such as Git & Actions 2-4 years experience with frameworks and languages: React, Typescript, State Management (Zustand/Redux) You are already Unit Testing with Jest or React-Testing-LIbrary You are aware of the impact of performance & accessibility and understand techniques for improving load and render times. You will have as much passion in HOW More ❯

experiences. Excellent communication skills and a collaborative mindset. Experience mentoring or guiding junior developers (formally or informally). Bonus Points For: Knowledge of TypeScript Familiarity with testing frameworks (e.g., Jest, React Testing Library) Experience with performance optimization and accessibility If this role sounds of interest, click 'apply now' and a member of our team will be in touch. More ❯

with microservices architecture and containerization (e.g., Docker, Kubernetes). Knowledge of state management libraries (e.g., Redux, MobX). Familiarity with Agile/Scrum methodologies. Exposure to testing frameworks (e.g., Jest, NUnit) and test-driven development (TDD) What We Offer: A dynamic and inclusive work environment. Opportunities for professional growth and career advancement. Competitive salary and comprehensive benefits package. Flexible work More ❯

modern front-end frameworks and templating languages. Experience in building accessible compliant user interfaces. Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based More ❯

modern front-end frameworks and templating languages. Experience in building accessible compliant user interfaces. Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based More ❯

modern front-end frameworks and templating languages. Experience in building accessible compliant user interfaces. Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based More ❯

JavaScript Microservices Development JavaScript/Typescript& JavaScript frameworks/tools: Node Microservices development through Containers or AWS Lambdas Development IDE (e.g., Visual Studio Code, WebStorm) Unit testing framework, e.g., Jest API Testing DevOps IaC, specifically Terraform AWS e.g. EC2/ECS/Fargate Monitoring and alerting tooling e.g. Grafana/Kibana/Mpulse/Rigor Containerisation e.g. Docker Whats in More ❯

iterative delivery is key. Tech Stack Snapshot: HTML5, CSS/SCSS, Tailwind JavaScript (ES6+), React, Next.js Frontend tooling – Webpack, Gulp, linters Headless CMS experience (ContentStack or similar) UI Testing – Jest or related frameworks Version control, CI/CD exposure Strong appreciation for accessibility and cross-browser compatibility You’ll Thrive With Our Client If You... Are experienced in frontend development More ❯

such as JSON Web Token, OAuth etc Familiarity with modern front-end build pipelines and tools Experience with popular front-end development tools such as Yarn, Webpack, Vitjs, StoryBook, Jest, Eslint, Prettier, Husky, etc. Ability to understand business requirements and translate them into technical requirements Experience with code versioning tools such as Git Experience with DevOps practices and Agile Practices More ❯

receive constructive feedback to ensure code quality. Maintain the app code quality through SDK and dependency updates Contribute to the resolution of support requests Expand the unit test suite (Jest) and integration test suite (Detox) Essential 2+ years React/React Native experience Firm grasp of the JavaScript/Typescript language including ES syntax features up to ES2020 (Array.flat, Object.fromEntries … third-party dependencies and debugging dependency conflicts Familiarity with Redux and its terminology Experience with developing an application against JSON APIs Strong familiarity with testing using an appropriate framework (Jest, Mocha, Detox, Selenium) Experience in working collaboratively as part of a team: version control, Pull Requests, scrum/kanban etc Desired Experience with development of iOS applications on MacOS Experience More ❯

engineering principles, including data structures, algorithms, and software design Solid understanding of web application architecture, including APIs, HTTP requests, databases, caching, and related concepts Used testing frameworks such as Jest to write and maintain unit tests for your code, and browser automation tools such as Cypress or Playwright for test automation Preferred Qualifications Bachelor's or Master's degree in More ❯