Permanent Jest Jobs in London

1 to 25 of 48 Permanent Jest Jobs in London

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:

Frontend Developer - (M/F/D)

City of London, London, United Kingdom
Hybrid / WFH 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 ❯
Posted:

Frontend Developer - (M/F/D)

London Area, United Kingdom
Hybrid / WFH 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 ❯
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:

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 ❯
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:

Senior Software Engineer - Unified Client Experience (UCX)

London, United Kingdom
Hybrid / WFH 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:

Software Engineering Manager - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid / WFH 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 Software Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Matched Group
equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Senior Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Matched Group
equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Senior Full Stack Software Engineer

City Of London, England, United Kingdom
Hybrid / WFH Options
Matched
equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Posted:

Senior Full Stack Software Developer

City Of London, England, United Kingdom
Hybrid / WFH Options
Matched
equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Posted:

Senior Full Stack Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Matched Group
equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Principal Software Engineer - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
Kotlin (Android) JavaScript/HTML/CSS RDBMS (Oracle, Sybase)/NoSQL (Document DB) AWS/Docker/Kubernetes CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Testing frameworks : Jest, Cypress, XCTest, Espresso Observability tools : Prometheus, Grafana Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Full Stack Engineer

London Area, United Kingdom
Hybrid / WFH Options
Bounteous
GraphQL, and WebSockets - Experience with Git, CI/CD pipelines, and cloud platforms (GCP) Nice to Have: - Experience with Docker and container orchestration (e.g., Kubernetes) - Familiarity with testing frameworks (Jest, Mocha, Cypress) - Knowledge of performance optimization and security best practices - Contributions to open-source projects or a strong GitHub portfolio Regards Anita More ❯
Posted:

Full Stack Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Bounteous
GraphQL, and WebSockets - Experience with Git, CI/CD pipelines, and cloud platforms (GCP) Nice to Have: - Experience with Docker and container orchestration (e.g., Kubernetes) - Familiarity with testing frameworks (Jest, Mocha, Cypress) - Knowledge of performance optimization and security best practices - Contributions to open-source projects or a strong GitHub portfolio Regards Anita More ❯
Posted:

Senior Full Stack Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Matched Group
equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Junior Developer

London Area, United Kingdom
Hybrid / WFH Options
develop
Tech Stack Frontend Next.js (App Router, React Server Components) React + Zustand shadcn/ui + TailwindCSS Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance More ❯
Posted:

Junior Developer

City of London, London, United Kingdom
Hybrid / WFH Options
develop
Tech Stack Frontend Next.js (App Router, React Server Components) React + Zustand shadcn/ui + TailwindCSS Zod (for validation) Backend NestJS + TypeORM Redis + Bull/BullMQ Jest (for testing) Architecture & Infrastructure 100% TypeScript codebase pnpm monorepo Docker + Kubernetes SQL databases 🎯 Key Responsibilities Design, build, and maintain scalable full-stack features using TypeScript Develop intuitive, high-performance More ❯
Posted:

Senior Software Engineer, Frontend

City of London, London, United Kingdom
Hybrid / WFH Options
Travelex
fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with More ❯
Posted:

Senior Software Engineer, Frontend

London Area, United Kingdom
Hybrid / WFH Options
Travelex
fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience with More ❯
Posted:

Lead Software Engineer - Full Stack (FinTech)

London Area, United Kingdom
Twelve
such as: | **Backend & Core Services** | Python, NodeJS, TypeScript | | **Frontend** | React, TypeScript, styled-components | | **Data & Persistence** | PostgreSQL, MySQL, BigQuery | | **Cloud & DevOps** | AWS, GCP, Docker, Terraform, GitHub Actions/CircleCI | | **Testing** | Jest, React Testing Library, Cypress, pytest | Compensation: Highly competitive salary and equity package, corresponding with experience and impact. Work Model: A truly flexible hybrid environment that balances deep focus work (remote More ❯
Posted:

Lead Software Engineer - Full Stack (FinTech)

City of London, London, United Kingdom
Twelve
such as: | **Backend & Core Services** | Python, NodeJS, TypeScript | | **Frontend** | React, TypeScript, styled-components | | **Data & Persistence** | PostgreSQL, MySQL, BigQuery | | **Cloud & DevOps** | AWS, GCP, Docker, Terraform, GitHub Actions/CircleCI | | **Testing** | Jest, React Testing Library, Cypress, pytest | Compensation: Highly competitive salary and equity package, corresponding with experience and impact. Work Model: A truly flexible hybrid environment that balances deep focus work (remote More ❯
Posted:

Front-end Product Engineer (Mid 1)

Greater London, England, United Kingdom
Hybrid / WFH Options
The Connectr Group
applications in a commercial environment with React.js. • Solid understanding of JavaScript (ES6+), HTML5, and CSS3. • Testing mindset with exposure to unit testing and end-to-end testing frameworks (ideally Jest & Playwright). • Commitment to accessibility and inclusive design. • Good understanding of responsive design and cross-browser compatibility. • Experience with build tools and version control (Vite & Git). • Experience working in More ❯
Posted:
Jest
London
10th Percentile
£57,375
25th Percentile
£61,250
Median
£82,500
75th Percentile
£93,750
90th Percentile
£118,750