Permanent Jest Jobs in England

1 to 25 of 99 Permanent Jest Jobs in England

Full Stack Engineer

Manchester, England, United Kingdom
Hybrid/Remote Options
Empresaria Group plc
code quality, performance, and security across the stack. Participate in agile ceremonies, code reviews, and continuous improvement initiatives. Essential Skills: Frontend: React.js, TypeScript, Redux, HTML5, CSS3, SASS Webpack, Babel, Jest, Cypress Backend: Java 8+, Spring Boot, Node.js (optional) REST APIs, JSON, OAuth 2.0 DevOps & Cloud: Azure (preferred), AWS (optional) Docker, Kubernetes, Terraform GitHub Actions, Azure DevOps Databases: PostgreSQL, Oracle, MongoDB More ❯
Posted:

Lead Software Engineer - Java, Spring Boot, Microservices

East London, London, United Kingdom
TPXImpact Holdings Plc
. CI/CD and Automation:Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing:Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices:Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication:Able to confidently communicate with internal and external More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Senior Software Engineer

Sheffield, Yorkshire, United Kingdom
Certara
collaborative team setting. Significant experience with version control systems such as Git. Strong expertise in writing and maintaining automated tests (e.g., unit, integration, or component tests using NUnit, xUnit, Jest, or Jasmine). Desirable Experience with both front end (e.g. React, TypeScript) and back end (.NET C#, ASP.NET) development, especially related to API consumption good practices such as schema validation More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Developer - (M/F/D)

London Area, United Kingdom
Hybrid/Remote Options
ITC Infotech
Angular, React. Hands on experience in working with TypeScript. Demonstratable experience in working with and designing REST APIs Knowledge and experience in working with NodeJS Experience with Unit testing (Jest, Vitest). Solid understanding and experience in HTML 5 and CSS 3. Hands-on experience in developing pixel perfect CSS driven, table-less HTML for all new projects, following development More ❯
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Frontend Developer - (M/F/D)

City of London, London, United Kingdom
Hybrid/Remote Options
ITC Infotech
Angular, React. Hands on experience in working with TypeScript. Demonstratable experience in working with and designing REST APIs Knowledge and experience in working with NodeJS Experience with Unit testing (Jest, Vitest). Solid understanding and experience in HTML 5 and CSS 3. Hands-on experience in developing pixel perfect CSS driven, table-less HTML for all new projects, following development More ❯
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Senior Software Full stack engineer

Northampton, Northamptonshire, England, United Kingdom
Travis Perkins
GraphQL. Design and implement Java/Spring Boot microservices within AWS Cloud environments, integrating APIs and data layers. Apply best practices in CI/CD, automated testing (JUnit, Mockito, Jest, Playwright) and cloud-native deployment using Docker, GitHub Actions, and Kubernetes. Contribute to architectural decisions and coding standards, ensuring system performance, scalability, and security through thoughtful design. Play a role More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Mid-Level Developer

Newcastle Upon Tyne, England, United Kingdom
Hybrid/Remote Options
ZeroLight
UI components. Familiarity with in CSS-in-JS solutions (e.g. styled-components) for creating themed and brand-aligned interfaces. Experience with modern JavaScript testing frameworks (e.g. Vitest, Playwright, or Jest). Experience with web application integrations, such as iframe-based architectures using the PostMessage API. Knowledge of internationalization (i18n) and localization (l18n) frameworks (e.g. FormatJS/react-intl). Practical More ❯
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Senior Front Developer (Digital)

Bexhill-On-Sea, East Sussex, South East, United Kingdom
Hybrid/Remote Options
Hastings Direct
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 ❯
Employment Type: Permanent, Work From Home
Posted:

Full Stack Engineer

City of London, London, United Kingdom
McCabe & Barton
in the team's agile practices Take part in continuous improvement of the development process Essential Technical Skills Language - JavaScript, NodeJS, Typescript Framework - NestJS/Express/Microservices Testing - Jest/Mocha/Cypress/React testing Library API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS More ❯
Posted:

Full Stack Engineer

London Area, United Kingdom
McCabe & Barton
in the team's agile practices Take part in continuous improvement of the development process Essential Technical Skills Language - JavaScript, NodeJS, Typescript Framework - NestJS/Express/Microservices Testing - Jest/Mocha/Cypress/React testing Library API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS More ❯
Posted:

Frontend React Developer

London Area, United Kingdom
Hybrid/Remote Options
Explore Group
Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding of scalable front‐end architecture, responsive More ❯
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Frontend React Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Explore Group
Proven experience with state‐management libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding of scalable front‐end architecture, responsive More ❯
Posted:

Software Engineer

Manchester, United Kingdom
Hybrid/Remote Options
Uniting Ambition
/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 ❯
Employment Type: Permanent
Salary: £45000 - £60000/annum
Posted:

Software Engineer

Manchester, Lancashire, England, United Kingdom
Hybrid/Remote Options
Uniting Ambition
/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 ❯
Employment Type: Full-Time
Salary: £45,000 - £60,000 per annum
Posted:

Software Engineer

North West, England, United Kingdom
Hybrid/Remote Options
Uniting Ambition
/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 ❯
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Mid-Senior Frontend Developer

Newton-le-Willows, Merseyside, England, United Kingdom
Hybrid/Remote Options
Oscar Technology
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 ❯
Employment Type: Full-Time
Salary: £45,000 - £55,000 per annum
Posted:

UI MSAL Developer

London Area, United Kingdom
Tata Consultancy Services
Typescript, CSS, SCSS, SCSS modules. Hands on experience in Git. Strong Skills in React, Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to More ❯
Posted:

UI MSAL Developer

City of London, London, United Kingdom
Tata Consultancy Services
Typescript, CSS, SCSS, SCSS modules. Hands on experience in Git. Strong Skills in React, Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to More ❯
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Senior Software Engineer - Unified Client Experience (UCX)

London, United Kingdom
Hybrid/Remote Options
Hargreaves Lansdown
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 ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Mid Level Software Developer

Southampton, Hampshire, South East, United Kingdom
Hybrid/Remote Options
Spectrum It Recruitment Limited
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 ❯
Employment Type: Permanent
Salary: £50,000
Posted:

Full Stack Engineer

Milton Keynes, England, United Kingdom
Addition+
experience in system design at scale, simplifying complex architectures. Understanding of CI/CD and DevOps principles (Azure DevOps experience ideal). Strong background in testing frameworks such as Jest, Playwright or Cypress. Collaborative leadership style with a passion for mentoring and continuous improvement. Experience working with micro frontends or Nx, and partnering closely with design teams. What’s in More ❯
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Software Engineering Manager - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid/Remote Options
Hargreaves Lansdown
innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud-native architecture : AWS, Docker, Kubernetes Observability tools Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Frontend Developer

London Area, United Kingdom
Osmii
and its implementation in frontend applications. Excellent proficiency in JavaScript (ES6+), HTML5, and CSS3. Experience with state management libraries (e.g., Redux, Context API). Familiarity with testing frameworks (e.g., Jest, React Testing Library). Understanding of RESTful APIs and asynchronous programming. Experience working with version control systems (e.g., Git). Ability to work independently and as part of a collaborative More ❯
Posted:

Senior Frontend Developer

City of London, London, United Kingdom
Osmii
and its implementation in frontend applications. Excellent proficiency in JavaScript (ES6+), HTML5, and CSS3. Experience with state management libraries (e.g., Redux, Context API). Familiarity with testing frameworks (e.g., Jest, React Testing Library). Understanding of RESTful APIs and asynchronous programming. Experience working with version control systems (e.g., Git). Ability to work independently and as part of a collaborative More ❯
Posted:

Senior Frontend Developer

Milton Keynes, England, United Kingdom
Pathfinder - IT Recruitment
/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 Next.js, with migration planned Defined progression More ❯
Posted:
Jest
England
10th Percentile
£43,250
25th Percentile
£51,250
Median
£65,000
75th Percentile
£86,250
90th Percentile
£93,750