1 to 25 of 69 Jest Jobs

Sr Software Engineer I

Hiring Organisation
American Express
Location
London, United Kingdom
Salary
£ 80 K
Strong knowledge of frontend and backend testing methodologies, including unit testing, integration testing, end-to-end testing, and API testing using tools such as Jest, React Testing Library, Playwright, Cypress, Go testing, and Postman. Experience implementing observability and operational excellence using OpenTelemetry, Prometheus, Grafana, Google Cloud Monitoring, Cloud Logging ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/annum
accessibility, security, and user experience Experience working in regulated environments such as Insurance, Financial Services, Banking, or FinTech Experience with automated testing frameworks including Jest, Cypress, or Playwright Familiarity with Git-based workflows and CI/CD pipelines Desirable Skills Experience delivering solutions within the Insurance sector Exposure to policy ...

Senior React Developer - SC Cleared

Hiring Organisation
NSD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Modern JavaScript (ES6+), HTML5 and CSS3. State management libraries such as Redux or Context API. REST APIs and asynchronous programming. Testing frameworks such as Jest and React Testing Library. Git and collaborative development workflows. Agile/Scrum delivery environments. CI/CD pipelines and modern software engineering practices. Desirable experience ...

Fullstack Frontend Developer

Hiring Organisation
Opus Recruitment Solutions
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£0 - £400/annum
Knowledge of state management tools such as Redux or Zustand Strong focus on performance, accessibility, and user experience Experience with testing frameworks such as Jest, Cypress, or Playwright Familiarity with Git and CI/CD practices Desirable Skills Experience with Next.js Exposure to AI-powered features or API integrations Knowledge ...

Software Developer (Node.js & AWS)

Hiring Organisation
Stealth IT Consulting
Location
United Kingdom
Employment Type
Permanent
Salary
GBP Annual
using Git and collaborative development workflows. Strong understanding of software engineering best practices, including SOLID principles and design patterns. Experience writing automated tests using Jest, Mocha, or similar frameworks. ...

Mid to Snr Fullstack Developer

Hiring Organisation
Avanti
Location
Oxford, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
production Good DevOps and CI/CD knowledge Docker experience Commercial cloud experience with AWS, Azure or GCP Strong automated testing experience, including Jest/Mocha and ideally Cypress, BrowserStack or similar Excellent JavaScript fundamentals Strong communication and problem-solving skills Experience with TypeScript, SaaS/startups, generative AI APIs ...

Full Stack Engineering Lead, Vice President

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 100 K
/Spring Cloud/Spring Data JPA/Spring Boot Microservices.Should have troubleshooting skills using debuggers, logs, etc.Strong understanding of test-driven development using Jest, Cypress, Java script, Junit, Mockito. Experience with Public clouds like AWS, GCP will be added advantage.Experience with OpenShift, Docker and Kubernetes.Understanding of build and deployment ...

Full Stack Developer

Hiring Organisation
ARC IT Recruitment
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
work with a variety of technologies. You'll 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 Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive ...

Fullstack Java Developer

Hiring Organisation
Atos
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 70 K
microservice-based architecture and design systems.Must have experience using continuous delivery toolsets and following Test-Driven Development (TDD) practices with test automation frameworks (e.g., Jest), experience with Git and CI/CD, experience with Mulesoft is essential.Anypoint Studio, Anypoint Exchange, API Manager, Runtime Manager.Experienced in developing integrations using Mule ...

React Product Engineer

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
production Good DevOps and CI/CD knowledge Docker experience Commercial cloud experience with AWS, Azure or GCP Strong automated testing experience, including Jest/Mocha and ideally Cypress, BrowserStack or similar Excellent JavaScript fundamentals Strong communication and problem-solving skills Experience with TypeScript, SaaS/startups, generative AI APIs ...

React Product Engineer

Hiring Organisation
Avanti Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
production Good DevOps and CI/CD knowledge Docker experience Commercial cloud experience with AWS, Azure or GCP Strong automated testing experience, including Jest/Mocha and ideally Cypress, BrowserStack or similar Excellent JavaScript fundamentals Strong communication and problem-solving skills Experience with TypeScript, SaaS/startups, generative AI APIs ...

Back End Software Developer

Hiring Organisation
Venesky Brown
Location
United Kingdom
particular in Sprint Boot) and JS would be advantageous - Knowledge of multiple JS frameworks and tools (e.g. React, Angular, Vue, NodeJS, Redux, Typescript, Webpack, Jest) - Working experience with MySQL compatible DBs (MySQL, RDS, Aurora, MariaDB) - Experience with Docker/Bash/Shell Scripting If you would like to hear more ...

Sr Software Engineer

Hiring Organisation
Wellington Management
Location
London, United Kingdom
Salary
£ 100 K
other relevant enterprise technologies (e.g., Java, .Net)7+ years of demonstrated experience designing and developing complex web services using REST, TypeScript, JavaScript/NodeJS, Jest, Java, Python or related technologies5+ years of demonstrated experience designing and developing web applications using HTML5, CSS and modern UI frameworks such as React ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North 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 ...

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 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 Node.js Developer (AWS, HAPI)

Hiring Organisation
Sanderson Recruitment
Location
United Kingdom
Employment Type
Contract
Contract Rate
Up to £562.96 per day + Inside IR-35
activities Help define and refine acceptance criteria Follow secure development practices Required Skills Development Node.js HAPI REST APIs OpenAPI Databases PostgreSQL MongoDB Redis Testing Jest Vitest DevOps & Cloud AWS Docker Git GitHub GitHub Actions Delivery Jira Azure DevOps Agile delivery environments Security OWASP awareness Vulnerability scanning Secure development practices Desirable ...

Full Stack Developer Full Stack Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 60 K
React, Node.js, Next.js, Nest.js and TypeScript.Experience with PostgreSQL and REST APIs.Exposure to Microsoft Azure and CI/CD pipelines.Knowledge of testing frameworks such as Jest, Playwright, Cypress or React Testing Library.A collaborative approach with excellent communication skills.Experience mentoring developers or leading technical initiatives.Nice to haveGraphQL.NET or SQL ServerStorybook or design ...

Full Stack Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
Nest.js and TypeScript. Experience with PostgreSQL and REST APIs. Exposure to Microsoft Azure and CI/CD pipelines. Knowledge of testing frameworks such as Jest, Playwright, Cypress or React Testing Library. A collaborative approach with excellent communication skills. Experience mentoring developers or leading technical initiatives. Nice to have GraphQL .NET ...

Full-Stack Engineer

Hiring Organisation
Wheely
Location
London, United Kingdom
Salary
£ 80 K
managers such as npm/pnpm).Experience with automated testing, such as end-to-end tests (Playwright, Selenium), UI/Component tests (e.g. using Jest), or snapshot tests.STEM (technical) degree.Our current stack: Go microservices, shrinking Ruby monolith, Node.js, TypeScript, React, React Query, Vite, MongoDB, PostgreSQL, RabbitMQ, GRPC, Thrift, Redis ...

Principal Software Engineer

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

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Salford, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing and automation/Testing frameworks (e.g. Mocha, Jest, Cypress) Experience working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training ...

Senior Frontend Developer

Hiring Organisation
Epicor Software Corporation
Location
Bracknell, Berkshire, United Kingdom
Salary
£ 80 K
behaviourExperience designing and building maintainable frontend applications at scaleExperience integrating frontend applications with RESTful APIsGood understanding of frontend testing practices and tools such as Jest and React Testing LibrarySecurity-conscious approach to frontend development, including awareness of dependency risks, package integrity, and secure coding practices.A continual learning mindset and interest ...

Java Software Engineer - Liverpool 1 dpw - up to £70,000

Hiring Organisation
Exalto Consulting
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£65000 - £70000/annum £70,000 + Benefits
accessibility (WCAG), and responsive design principles. Solid experience across the testing landscape, including unit, integration, and end-to-end testing using tools such as Jest, Detox, Cypress, Playwright, Selenium, JUnit, and Mockito — with a strong commitment to test-driven development. Solid understanding of CI/CD pipelines, version control ...