1 to 25 of 52 Jest Jobs

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. ...

UI Architect

Hiring Organisation
Sanderson
Location
London, UK
Employment Type
Full-time
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 ...

Junior Software Engineer - Java / JVM / Kotlin

Hiring Organisation
Talent-Relay Limited
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £200 to £225 per day Junior role - Long term contract - working i
technologies such as JavaScript, TypeScript, HTML, CSS, or Python. Front-end frameworks such as React, Angular, Vue, or Svelte. Testing frameworks and practices, including Jest, Mocha, Selenium, and Test-Driven Development (TDD). Knowledge of statistics or data analysis techniques. Junior Software Engineer - JVM - Kotlin - Java - React ...

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 ...

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 ...

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 ...

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 ...

Software Developer

Hiring Organisation
Matched Group
Location
London, UK
Employment Type
Full-time
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 ...

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, UK
Employment Type
Full-time
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 ...

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
London, UK
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 ...

QA Engineer

Hiring Organisation
E-Solutions
Location
City of London, Greater London, UK
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 ...

QA Engineer

Hiring Organisation
E-Solutions
Location
London Area, 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 ...

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 ...

Full-Stack Developer - AI-Assisted Development

Hiring Organisation
Spectrum IT Recruitment
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
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 ...

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, UK
Employment Type
Full-time
maintain E-commerce ticketing platform, including API connectivity with third-party suppliers Must have skills and competencies: Proficiency in Front end: React, JavaScript (Webpack, Jest), Next.js, HTML, CSS, Vite Proficiency in Back end: Node.js, SQL, PostgreSQL, Supabase, Python Proficiency in Development: Git, GitHub, Agile, Vercel; experience integrating third-party APIs ...

Full Stack Developer

Hiring Organisation
Thomas Ren Associates
Location
South West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
maintain E-commerce ticketing platform, including API connectivity with third-party suppliers Must have skills and competencies: Proficiency in Front end: React, JavaScript (Webpack, Jest), Next.js, HTML, CSS, Vite Proficiency in Back end: Node.js, SQL, PostgreSQL, Supabase, Python Proficiency in Development: Git, GitHub, Agile, Vercel; experience integrating third-party APIs ...

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 ...