26 to 49 of 49 Jest Jobs in the UK

Remote AI Developer - Dutch Speaking

Hiring Organisation
Valsoft Corporation
Location
Derby, Derbyshire, UK
APIs, authentication, third-party integrations) • Working knowledge of databases (PostgreSQL, MySQL, or MongoDB), including schema design and querying • Familiarity with testing practices and frameworks (Jest, Playwright, or Cypress) • Comfortable with Git, pull requests, code reviews, and collaborative development workflows • Solid understanding of web fundamentals: authentication, caching, security, and performance • Interest ...

Remote AI Developer - Dutch Speaking

Hiring Organisation
Valsoft Corporation
Location
Londonderry, Co. Londonderry, UK
APIs, authentication, third-party integrations) • Working knowledge of databases (PostgreSQL, MySQL, or MongoDB), including schema design and querying • Familiarity with testing practices and frameworks (Jest, Playwright, or Cypress) • Comfortable with Git, pull requests, code reviews, and collaborative development workflows • Solid understanding of web fundamentals: authentication, caching, security, and performance • Interest ...

Remote AI Developer - Dutch Speaking

Hiring Organisation
Valsoft Corporation
Location
Stoke-on-Trent, Staffordshire, UK
APIs, authentication, third-party integrations) • Working knowledge of databases (PostgreSQL, MySQL, or MongoDB), including schema design and querying • Familiarity with testing practices and frameworks (Jest, Playwright, or Cypress) • Comfortable with Git, pull requests, code reviews, and collaborative development workflows • Solid understanding of web fundamentals: authentication, caching, security, and performance • Interest ...

Senior Frontend Developer - React

Hiring Organisation
Capco
Location
Borough of Tameside, United Kingdom
Employment Type
Full Time
processors like SASS/LESS Familiarity with modern build and tooling ecosystems such as Vite, Webpack or similar Experience with frontend testing using Jest, React Testing Library, Cypress or Playwright A passion for UI performance, quality, and delivering clean code Bonus Points For Exposure to Vue, Angular, or Next.js ...

Principal Frontend Developer - React

Hiring Organisation
Capco
Location
Borough of Tameside, United Kingdom
Employment Type
Full Time
SASS, Material UI, Bootstrap Familiarity with OAuth2, JWT, OpenID Connect, and secure frontend design principles Experience with Redux, Webpack, and modern testing frameworks like Jest, Mocha, or Enzyme Track record of delivering applications via CI/CD pipelines and containerised environments (Docker/Kubernetes) Bonus Points For Experience mentoring ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
London, UK
OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Senior Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes ...

Software Team Lead

Hiring Organisation
Roke
Location
Gloucester, England, United Kingdom
bring (or Required Skills/Qualifications): Back‐end: Java (Spring Boot) and/or Go. Front‐end: React or Vue.js. Testing: JUnit/Jest/Cypress (or equivalent). Tooling: GitLab/Git, Docker, Kubernetes, Helm, GitLab CI/Argo CD/Jenkins, Jira/Confluence. Experience leading agile teams ...

Software Team Lead

Hiring Organisation
Roke
Location
Manchester Area, United Kingdom
bring (or Required Skills/Qualifications): Back‐end: Java (Spring Boot) and/or Go. Front‐end: React or Vue.js. Testing: JUnit/Jest/Cypress (or equivalent). Tooling: GitLab/Git, Docker, Kubernetes, Helm, GitLab CI/Argo CD/Jenkins, Jira/Confluence. Experience leading agile teams ...

React.js UI Developer

Hiring Organisation
HCLTech
Location
United Kingdom, UK
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

React.js UI Developer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

Software Engineer

Hiring Organisation
Elsevier
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
open to discussing and honing approaches for our team to improve our working practices Have some experience of test-driven development and mocking libraries (Jest, Mockito) Be familiar with collaborative documentation tools (Jira and Confluence) Have some real knowledge of Agile practices and execution (Scrum, Kanban) Wanting to learn ...

Java Software Engineer

Hiring Organisation
Elsevier
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
open to discussing and honing approaches for our team to improve our working practices Have some experience with test-driven development and mocking libraries (Jest, Mockito) Be familiar with collaborative documentation tools (Jira and Confluence) Have some real knowledge of Agile practices and execution (Scrum, Kanban) Wanting to learn ...

Remote Staff Frontend Engineer

Hiring Organisation
Codat
Location
Aberdeen, UK
deployment processes Experience with containerization and orchestration technologies like Docker and Kubernetes (K8s) Extensive experience with testing frameworks for both frontend and backend (e.g., Jest/Vitest, React Testing Library, Cypress) Strong awareness of security best practices A degree in Computer Science or a similar field is preferred What level ...

Remote Staff Frontend Engineer

Hiring Organisation
Codat
Location
Swansea, UK
deployment processes Experience with containerization and orchestration technologies like Docker and Kubernetes (K8s) Extensive experience with testing frameworks for both frontend and backend (e.g., Jest/Vitest, React Testing Library, Cypress) Strong awareness of security best practices A degree in Computer Science or a similar field is preferred What level ...

Remote Staff Frontend Engineer

Hiring Organisation
Codat
Location
Warrington, Cheshire, UK
deployment processes Experience with containerization and orchestration technologies like Docker and Kubernetes (K8s) Extensive experience with testing frameworks for both frontend and backend (e.g., Jest/Vitest, React Testing Library, Cypress) Strong awareness of security best practices A degree in Computer Science or a similar field is preferred What level ...

React Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£50,000
responsive design and cross-browser compatibility Experience with state management tools (e.g. Redux, React Query) is beneficial Familiarity with testing tools such as Jest, Vitest, or React Testing Library is a plus A collaborative mindset with strong attention to detail and a proactive approach to problem-solving Why join ...

Applications Developer

Hiring Organisation
Pets at Home
Location
Wilmslow, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
What were looking for: Experience in mobile development Strong skills in React Native, TypeScript, Redux, React Navigation and Firebase Experience with testing frameworks (e.g. Jest, React Testing Library, Maestro) Solid understanding of mobile development principles (state management, APIs, performance) A collaborative mindset with strong communication and problem-solving skills Passion ...

Senior Software Engineer - hx Renew / Pricing

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£10,000 - £120,000 per annum
development experience , ideally within insurance pricing. Experience with C# .Net would be beneficial RESTful APIs and JSON. Automated testing frameworks such as NUnit, Selenium, Jest, Jasmine, Mocha or similar. CI/CD pipelines, DevOps practices and configuration management tools. Delivering scalable, maintainable enterprise software. Working within Agile development environments. Excellent ...

Senior Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
React & React Native, TypeScript, MobX, Redux, Stylus and SASS, Jenkins (we deploy to production as soon as we finish a feature), Behat, Playwright, PHPUnit, Jest, Selenium, Maestro and Detox. How you'll have an impact Manage and mentor your Engineering Managers to ensure that they and their teams are high ...

Frontend Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They’re Looking For Deep expertise with React and modern TypeScript/JavaScript Strong ...

Senior Java Developer

Hiring Organisation
Henderson Scott
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
Up to £300.00 per day
Senior Java + React Developer Location: Glasgow Work Schedule: 3 days per week onsite (Hybrid) Rate: £300 per day outside IR35 Industry: Banking & Financial Services Contract Duration: 20th July 2026 - January 2027 Join a leading ...

Remote Senior Frontend Engineer - London - Plexus Resource Solutions Ltd

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
proficiency in React, Next.js, and TypeScript. You should have experience with CSS Modules, styled-components, or similar tools. Familiarity with testing frameworks such as Jest, CI... Technologies Architect Blockchain CI/CD CSS ESLint Jest React TypeScript styled-components JavaScript Frontend More We are pleased to offer a competitive salary ...