Permanent Jest Job Vacancies

51 to 75 of 162 Permanent Jest Jobs

UI Front End Developer with Security Clearance

Ashburn, Virginia, United States
Unissant
microservices design patterns. Experience in working with Git operations such as branching and merging. Preferred: Experience in querying using SQL. Experience in developing unit testing using frameworks such as Jest, ng-mocks. Familiarity with backend development Spring Boot restful services and microservice (Spring cloud) Familiar with automation testing tools Cypress, Selenium, JMeter Job Skills: Must have strong HTML5, JSON, CSS More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Frontend Developer - React.js - Warwickshire - Permanent

Leamington Spa, Warwickshire, England, United Kingdom
Crimson
Strong focus on performance, accessibility (WCAG), and user experience, leveraging tools like Material-UI and Tailwind CSS. Familiar with TypeScript, modern build tools (Webpack, Babel, Vite), and testing frameworks (Jest, React Testing Library, Cypress). Active contributor in Agile environments, participating in design reviews, sprint planning, and code quality initiatives. Strong problem-solving and collaboration skills, with an interest in More ❯
Employment Type: Full-Time
Salary: £55,000 - £65,000 per annum
Posted:

Frontend Developer - React.js - Warwickshire - Permanent

Leamington Spa, Warwickshire, West Midlands, United Kingdom
Hybrid / WFH Options
Crimson
Strong focus on performance, accessibility (WCAG), and user experience, leveraging tools like Material-UI and Tailwind CSS. Familiar with TypeScript, modern build tools (Webpack, Babel, Vite), and testing frameworks (Jest, React Testing Library, Cypress). Active contributor in Agile environments, participating in design reviews, sprint planning, and code quality initiatives. Strong problem-solving and collaboration skills, with an interest in More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Senior UI Developer (React & Angular)

Belfast, Northern Ireland, United Kingdom
Ampstek
/widgets and implement component-driven architecture and design principles. Exposure to unit testing or testing automation frameworks for front-end validation. Advanced experience with testing frameworks such as Jest, React Testing Library, Cypress, or Enzyme for unit, integration, and end-to-end testing. Strong understanding of web accessibility standards (WCAG) and experience in building inclusive and accessible applications. Experience More ❯
Posted:

Senior UI Developer (React & Angular)

newtownabbey, antrim, united kingdom
Ampstek
/widgets and implement component-driven architecture and design principles. Exposure to unit testing or testing automation frameworks for front-end validation. Advanced experience with testing frameworks such as Jest, React Testing Library, Cypress, or Enzyme for unit, integration, and end-to-end testing. Strong understanding of web accessibility standards (WCAG) and experience in building inclusive and accessible applications. Experience More ❯
Posted:

Senior UI Developer (React & Angular)

lisburn, antrim, united kingdom
Ampstek
/widgets and implement component-driven architecture and design principles. Exposure to unit testing or testing automation frameworks for front-end validation. Advanced experience with testing frameworks such as Jest, React Testing Library, Cypress, or Enzyme for unit, integration, and end-to-end testing. Strong understanding of web accessibility standards (WCAG) and experience in building inclusive and accessible applications. Experience More ❯
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:

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: £75,000 - £85,000 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:

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: £75,000 - £85,000 per annum
Posted:

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: £75,000 - £85,000 per annum
Posted:

Principal Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Computer Futures
and stakeholder engagement Mentor engineers and champion technical excellence Innovate across full-stack solutions with real-world impact Your Tech Arsenal Frontend: React.js (Hooks, Context API), TypeScript, Redux, Cypress, Jest Backend: Java 11+, Spring Boot, RESTful APIs, Microservices, PostgreSQL, Kafka Cloud & DevOps: AWS (EKS, MSK, Opensearch), CI/CD (Jenkins), Monitoring (CloudWatch, Kibana) Why You'll Love It Here Remote More ❯
Employment Type: Full-Time
Salary: £60,000 - £95,000 per annum
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

London, United Kingdom
Hybrid / WFH Options
Computer Futures
systems. ??? Your Tech Toolkit You'll be working with a modern, enterprise-grade tech stack designed for scale, resilience, and agility. Frontend: React.js (Hooks, Context API) TypeScript Redux Cypress, Jest Backend: Java 11+ Spring Boot RESTful APIs Microservices PostgreSQL Kafka Cloud & DevOps: AWS (EKS, MSK, Opensearch) CI/CD with Jenkins Monitoring with CloudWatch, Kibana ?? Why You'll Love Working More ❯
Employment Type: Permanent
Posted:

Principal Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Computer Futures
systems. Your Tech Toolkit You'll be working with a modern, enterprise-grade tech stack designed for scale, resilience, and agility. Frontend: React.js (Hooks, Context API) TypeScript Redux Cypress, Jest Backend: Java 11+ Spring Boot RESTful APIs Microservices PostgreSQL Kafka Cloud & DevOps: AWS (EKS, MSK, Opensearch) CI/CD with Jenkins Monitoring with CloudWatch, Kibana Why You'll Love Working More ❯
Employment Type: Full-Time
Salary: £70,000 - £100,000 per annum
Posted:

Senior Software Engineer - Pensions, ISA and Investments

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
experience with AWS, full stack TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with integration and onboarding 3rd party vendors, meeting with vendor engineering contacts, defining integration patterns, abstracting More ❯
Employment Type: Permanent, Part Time
Salary: £80,000
Posted:

Software Developer with Security Clearance

Chantilly, Virginia, United States
The Shattuck Group, LLC
Web related protocols and technologies such as Tomcat, Nodejs, Web Services, or SS -Demonstrated hands-on experience developing JUnit and Jasmine tests -Demonstrated experience with testing platforms such as Jest or Karma -Demonstrated hands-on experience working with DevOps tools such as Git, Jenkins, or Nexus More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Full Stack React Developer with Security Clearance

Reston, Virginia, United States
TekStream Solutions, LLC
ES6+ JavaScript/TypeScript • Strong knowledge of React (components, state, props, hooks, context) • Experience with state management libraries such as Zustand or Redux • Hands-on experience with testing frameworks (Jest, React Testing Library) • Basic understanding of Docker and container orchestration (Kubernetes) • Familiarity with AWS services (especially S3) • Ability to communicate technical progress effectively to stakeholders • Willingness to address software and More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

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: £75,000 - £85,000 per annum
Posted:

Senior Front-End Developer - React

Seaton Delaval, Whitley Bay, Tyne and Wear, England, United Kingdom
Reed
React. Collaborate with designers, back-end developers, and stakeholders to deliver user-centric products Integrate APIs and manage CI/CD pipelines Write robust unit tests using tools like Jest Contribute to architectural decisions and technical strategy Support continuous improvement and innovation across the development lifecycle Essential Skills: Expert-level proficiency in HTML, CSS, JavaScript Strong experience with React. Familiarity More ❯
Employment Type: Full-Time
Salary: £55,000 - £62,000 per annum, Inc benefits
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:

Full Stack Developer with Security Clearance

Charlottesville, Virginia, United States
Eiden Systems Consulting
ES6+ JavaScript/TypeScript • Strong knowledge of React (components, state, props, hooks, context) • Experience with state management libraries such as Zustand or Redux • Hands-on experience with testing frameworks (Jest, React Testing Library) • Basic understanding of Docker and container orchestration (Kubernetes) • Familiarity with AWS services (especially S3) • Ability to communicate technical progress effectively to stakeholders • Willingness to address software and More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

.NET/React Developer with Security Clearance

Arlington, Virginia, United States
CACI
JIRA Active Secret clearance Desired: Certifications in Azure, AWS, GCP, or other technologies Comfortable with designing user interfaces using CSS/Bootstrap Experience with React testing frameworks such as Jest or React Testing Library Experience working with other front-end frameworks such as Angular This position is contingent on funding and may not be filled immediately. However, this position is More ❯
Employment Type: Permanent
Salary: USD 218,100 Annual
Posted:

Software Engineer - Pensions, ISA & Investments

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
experience with AWS, full stack TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning More ❯
Employment Type: Permanent, Part Time, Work From Home
Salary: £65,000
Posted:

UI Software Engineer with Security Clearance

Annapolis Junction, Maryland, United States
Peraton
or international aviation standards (e.g., ICAO). Experience working with UX designers and other software engineers in a team setting Experience with front-end testing tools, such as Cypress, Jest, and Selenium Experience with AWS development, including EC2, API Gateway, etc. Prior experience working with DevSecOps processes and tools Prior experience providing technical leadership to a team or mentoring to More ❯
Employment Type: Permanent
Salary: USD 106,000 Annual
Posted:
Jest
10th Percentile
£47,500
25th Percentile
£55,000
Median
£65,000
75th Percentile
£83,750
90th Percentile
£92,250