1 to 25 of 47 Jest Jobs

Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 32,000 - 45,000 Annual
practical experience developing interfaces that comply with WCAG 2.2 standards. Quality Assurance: Experience writing unit and integration tests using modern automated testing frameworks (eg, Jest, Cypress, or Playwright). Agile Collaboration: Experience working effectively within multidisciplinary agile teams (such as Scrum or Kanban) and using collaboration tooling like Jira ...

Senior Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
Quality & Automation: Hands-on experience integrating Front End code into CI/CD pipelines (eg, Jenkins, GitHub Actions) and writing comprehensive automated tests (eg, Jest, Cypress, Playwright). Agile Mindset: A strong track record of operating effectively in blended, multidisciplinary agile environments, adapting smoothly to legislative or policy-driven changes. ...

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 ...

Senior Software Engineer - Identity & Authentication

Hiring Organisation
17918
Location
Charing Cross, West End, United Kingdom
Terraform) Experience with containerised workloads (Docker) Strong Git practices and CI/CD experience (GitHub Actions or similar) Experience writing unit and integration tests (Jest) Nice to Have React experience for frontend development preferred for any new UI work Experience with identity, authentication, or MFA systems Familiarity with Kong ...

UI Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £570 per day
Nice to Have Event-driven architecture experience (Kafka, async patterns) Observability tools (Prometheus, Grafana, ELK) Frontend security (OAuth2, JWT) Automated testing frameworks (Cypress, Playwright, Jest) Design systems and tooling (Storybook, Figma) Experience in financial services, fintech, or payments environments Reasonable Adjustments: Respect and equality are core values to us. ...

Senior .Net Full Stack Developer

Hiring Organisation
Creative Recruitment
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
e.g. TeamCity) Strong experience using Git for version control Experience working with RESTful APIs (design and integration) Familiarity with testing frameworks (e.g. xUnit, NUnit, Jest, Jasmine) Experience with logging and monitoring tools (e.g. Elasticsearch, Sentry, Rollbar) Awareness of cloud technologies (AWS, Terraform, Cloudflare – desirable) About You Passionate about technology ...

Cloud Engineer

Hiring Organisation
Anson McCade
Location
Nottingham, England, United Kingdom
such as Lambda, DynamoDB, IAM, S3, SQS, SNS. Experience with CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc.). Strong testing approach using Jest or similar frameworks. Good understanding of cloud security fundamentals (IAM, least privilege, secure design). Experience working in Agile, cross-functional engineering teams. AWS certification ...

Full Stack Developer

Hiring Organisation
TALENT INTERNATIONAL UK LTD
Location
United Kingdom
Salary
£550.00 per day
frameworks such as Express). Package Management: Proficiency with NPM . Testing: Strong commitment to Test Driven Development (TDD) and common test frameworks (e.g., Jest, Mocha, Chai). Databases: Experience with both Relational and NoSQL data stores (e.g., PostgreSQL, MySQL, MongoDB, DynamoDB). CI/CD and DevOps: Hands ...

Full Stack Developer

Hiring Organisation
17918
Location
London, United Kingdom
frameworks such as Express). Package Management: Proficiency with NPM . Testing: Strong commitment to Test Driven Development (TDD) and common test frameworks (e.g., Jest, Mocha, Chai). Databases: Experience with both Relational and NoSQL data stores (e.g., PostgreSQL, MySQL, MongoDB, DynamoDB). CI/CD and DevOps: Hands ...

Kotlin/JVM Software Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
like React Native, AngularJS, Angular2, VueJS, SocketIO, Backbone, KnockoutJS, Svelte, and Bootstrap. Software testing tools – A good working knowledge in testing code using Mocha, Jest, Unit-tests, TDD, Karma, VCS, and Selenium (base). ...

Senior Java/Angular/React Full Stack Software Engineer

Hiring Organisation
Elsevier
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
familiar with how to design and develop for cloud environments (i.e. docker, Kubernetes, AWS) Have experience of test-driven development and mocking libraries (Jest, Mockito) Some exposure to Devops (terraform) Work in a Way That Works for You We promote a healthy work/life balance across the organisation. ...

Senior Full Stack Software Engineer (Java / React )

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 experience with test-driven development and mocking libraries (Jest, Mockito) Have experience with creating and updating technical documentation using collaborative tools (Jira and Confluence) Real-world experience of Agile practices and execution (Scrum, Kanban ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
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 ...

Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Hiring Organisation
17918
Location
Charing Cross, West End, United Kingdom
problem-solving skills. Proactive communicator with owned assignments. Ability to manage time effectively and meet realistic deadlines. Experience with testing frameworks such as Jest or RTL. Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/ ...

SC Cleared Freelance Frontend Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 650 Daily
/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/CD, Git Experience integrating APIs (AI exposure a bonus) Responsibilities Build high-quality frontend applications Develop reusable UI components Collaborate across ...

SC Cleared Freelance Frontend Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
City Of London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/CD, Git Experience integrating APIs (AI exposure a bonus) Responsibilities Build high-quality frontend applications Develop reusable UI components Collaborate across ...

Software Developer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
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 ...

Senior Digital Engineer (Java)

Hiring Organisation
Love2Shop
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
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 ...

Full Stack Software Engineer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
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 ...

SC Cleared Node.js Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £560 per day + Inside IR-35
vulnerability management Collaborating with stakeholders and communicating technical concepts clearly Tech stack includes: Node.js, HAPI (web framework) API development (REST, OpenAPI) PostgreSQL, MongoDB, Redis Jest and Lab for testing Git for source control Cloud platforms (AWS, Azure) Docker, Kubernetes, ECS CI/CD tools (Azure DevOps, Jenkins, GitHub Actions) Jira ...

QA Engineer

Hiring Organisation
E-Solutions
Location
City of London, London, United Kingdom
EventBridge Amazon Kinesis Data Streams API Gateway DynamoDB and S3 Experience testing event-driven and serverless architectures Test Automation & Tools Experience with: Automation frameworks (Jest framework, Java/Springboot, or similar) API testing tools (Postman, REST clients) Ability to: Create automated test suites Validate JSON-based inputs/outputs ...

Senior Frontend Engineer - Retail Digital Platform

Hiring Organisation
Sanderson Recruitment
Location
West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST API and/or GraphQL integration experience Testing experience using tools such as Jest, React Testing Library, Cypress or Playwright Experience working with Git-based version control and CI/CD pipelines Strong knowledge of frontend performance optimisation ...

Full-Stack Developer - AI-Assisted Development

Hiring Organisation
Spectrum It Recruitment Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
similar server-side JavaScript/TypeScript environments REST APIs, ideally with Express, Nest.js or similar MongoDB and/or relational databases Unit testing with Jest or similar Working in a CI environment Clear communication and the ability to work well in a collaborative development team Useful experience AI-assisted development ...

Senior Front-End Developer - 12 months - Contract

Hiring Organisation
Jobleads-UK
Location
Leeds, England, United Kingdom
Experience in building accessible compliant user interfaces (WCAG). 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 ...

Full Stack Developer

Hiring Organisation
Thomas Ren Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 Annual
scoping and development through to deployment and ongoing maintenance Develop and maintain E-commerce ticketing platform Technologies/skills: Front End: React, JavaScript (Webpack, Jest), Next.js, HTML, CSS, Vite Back End: Node.js, SQL, PostgreSQL, Supabase, Python Development: Git, GitHub, Agile, Vercel; experience integrating third party APIs and platforms (eg Klaviyo ...