Jest Job Vacancies

201 to 225 of 234 Jest Jobs

React.JS, Node.JS, Full Stack Engineer | Greenfield, Front Office Trading System | Up to £130,000 + Bonus | Hybrid, London

London Area, United Kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
to the overall architecture and design of the technology created/maintained by the delivery team. Develop Web Trading Applications using Node.js, ReactJS, Cypress, Jest, React Testing Library, Jenkins, AG Grid, React Hooks Develop solutions to a high standard that is maintainable, testable and meets the requirement’s acceptance criteria. More ❯
Posted:

React.JS, Node.JS, Full Stack Engineer | Greenfield, Front Office Trading System | Up to £130,000 + Bonus | Hybrid, London

london, south east england, United Kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
to the overall architecture and design of the technology created/maintained by the delivery team. Develop Web Trading Applications using Node.js, ReactJS, Cypress, Jest, React Testing Library, Jenkins, AG Grid, React Hooks Develop solutions to a high standard that is maintainable, testable and meets the requirement’s acceptance criteria. More ❯
Posted:

Senior PHP Developer

manchester, north west england, United Kingdom
Candour Solutions
to support in scaling their systems to deal with growing demand for their product(s). Their stack is PHP Laravel, AWS, Git, Jira, Jest and React, but this role will be focused completely on BED. Our client's product is data-driven, so DevOps and Infra experience to a More ❯
Posted:

Mobile Application Developer with Security Clearance

Gwynn Oak, Maryland, United States
KOAR Cloud Solutions
Quality Assurance: Develop unit tests and integration tests to ensure code quality and robustness. Implement automated testing for mobile applications with frameworks such as Jest, XCTest, or Flutter Test. CI/CD Pipeline Integration: Set up CI/CD pipelines using GitHub Actions, GitLab CI, or Bitrise to automate builds More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Frontend Developer

manchester, north west england, United Kingdom
ECOM
a strong emphasis on engineering best practices and is looking for individuals who share this mindset. The technology stack includes TypeScript, React, Redux, Next.js, Jest, Tailwind, GraphQL and WebPack, making it an ideal environment for frontend developers who enjoy working with cutting-edge technologies. Despite being a diverse organisation with More ❯
Posted:

Junior Automation Test Engineer

England, United Kingdom
Hybrid / WFH Options
Better Placed Ltd - A Sunday Times Top 10 Employer!
software and ML engineers are their dedicated tester. Experience and skills required: Any of the following would be useful: Python testing: pytest, JavaScript testing: Jest, Mocha, or Cypress Selenium Unit and integration testing, end to end testing Any AI-Specific Testing Tools Model testing: MLflow for tracking experiments A/ More ❯
Posted:

Senior Frontend Engineer

Bracknell, Berkshire, United Kingdom
Menlo Security, Inc
Deep understanding of TypeScript, including its type system and advanced features. Extensive experience with AngularJS Strong knowledge of modern frontend development practices, including testing (Jest), build tools (Webpack), and UI/UX principles. Experience designing and implementing scalable web application architectures. Familiarity with RESTful APIs and API design principles. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer

City, Edinburgh, United Kingdom
Ember
controlling chargers, calculating ETAs, monitoring traffic and keeping passengers informed. We rely on the following tools and technologies: React and Typescript for our frontend Jest for tests SwiftUI for our Driver iOS App Python for our backend code Postgres for data storage Redis for caching Kafka for stream processing AWS More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer Edinburgh, United Kingdom £50,000 - £100,000 per year

City, Edinburgh, United Kingdom
Ember Core Ltd
controlling chargers, calculating ETAs, monitoring traffic and keeping passengers informed. We rely on the following tools and technologies: React and Typescript for our frontend Jest for tests SwiftUI for our Driver iOS App Python for our backend code Postgres for data storage Redis for caching Kafka for stream processing AWS More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 100,000 Annual
Posted:

Frontend Engineer

Manchester, Lancashire, United Kingdom
InterQuest Solutions
emphasis on engineering best practices and is looking for individuals who share this mindset. Technology Stack: The technology stack includes TypeScript, React, Redux, Next.js, Jest, Tailwind, GraphQL and WebPack, making it an ideal environment for frontend developers who enjoy working with cutting-edge technologies. Guild Collaboration: Despite being a diverse More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Architect - Senior with Security Clearance

Washington, Washington DC, United States
Amentum
Git source version control o Jira project management o Static Application Security Testing (SAST, e.g. SonarQube, Gitlab SAST) o Unit and integration testing (e.g., jest, mocha, chai) • Database: o Postgres 15 o Liquibase configuration management o Yet Another Markup Language (YAML), JavaScript Object Notation (JSON) o Entity-Attribute-Value (EAV More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior JavaScript Angular Developer (f/m)

Madrid, Spain
T-Systems Iberia
Analyzing Time-to-Interactive (TTI), First Contentful Paint (FCP), and Largest Contentful Paint (LCP). Testing Frameworks Expertise in testing Angular applications: Jasmine/Jest for unit tests. Cypress/Playwright for E2E testing. Mocking HTTP services with Angular's TestBed. Observability & Monitoring Implementing error tracking and logging with tools More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior JavaScript Angular Developer (f/m)

Andalucía, Spain
T-Systems Iberia
Analyzing Time-to-Interactive (TTI), First Contentful Paint (FCP), and Largest Contentful Paint (LCP). Testing Frameworks Expertise in testing Angular applications: Jasmine/Jest for unit tests. Cypress/Playwright for E2E testing. Mocking HTTP services with Angular's TestBed. Observability & Monitoring Implementing error tracking and logging with tools More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior .NET Full Stack Developer

Haddenham, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Computer Futures
TeamCity and source control platforms such as GIT. Cloud and Testing: Enhance your skills with Cloudflare, AWS, Terraform, and testing frameworks like Xunit, Nunit, Jest, and Jasmine. API Design: Design, develop, and consume RESTful APIs. Agile Methodologies: Embrace Agile methodologies (Sprints, Scrum, Stand-Ups) to deliver high-quality, responsive solutions. … CSS3, IIS SQL Server and MySQL CI/CD tools (TeamCity) Source control platforms (GIT) RESTful API design and consumption Testing frameworks (Xunit, Nunit, Jest, Jasmine) Logging tools (Elasticsearch, Rollbar, Sentry) Nice to Have: Cloudflare, AWS, Terraform experience Join us and be part of a team that is shaping the More ❯
Employment Type: Permanent
Salary: GBP 60,000 - 90,000 Annual
Posted:

Senior .NET Full Stack Developer

Aylesbury, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Computer Futures
TeamCity and source control platforms such as GIT. Cloud and Testing: Enhance your skills with Cloudflare, AWS, Terraform, and testing frameworks like Xunit, Nunit, Jest, and Jasmine. API Design: Design, develop, and consume RESTful APIs. Agile Methodologies: Embrace Agile methodologies (Sprints, Scrum, Stand-Ups) to deliver high-quality, responsive solutions. … CSS3, IIS SQL Server and MySQL CI/CD tools (TeamCity) Source control platforms (GIT) RESTful API design and consumption Testing frameworks (Xunit, Nunit, Jest, Jasmine) Logging tools (Elasticsearch, Rollbar, Sentry) Nice to Have: Cloudflare, AWS, Terraform experience Join us and be part of a team that is shaping the More ❯
Employment Type: Permanent
Salary: £60000 - £90000/annum
Posted:

Senior Quality Assurance Engineer

united kingdom
Trust In SODA
platform stability across multiple devices and locales Drive quality in areas like onboarding, payments, logistics, and delivery status The Tech Stack you'll use: Jest, Testing Library, Cypress, Detox, Postman, GitHub Actions Required Skills & Experience 5+ years of QA experience in agile teams Strong automation and scripting skills Passion for More ❯
Posted:

Senior React Native Engineer (Superapp)

London, United Kingdom
Hybrid / WFH Options
Lendable
initiatives that help us scale our UK and US-based products as we continue to grow. Tech stack Mobile Apps: Typescript, React Native, GraphQL, Jest, React Testing Library, Maestro, MobX Web: Typescript, React, NextJS, SCSS, Jest, React Testing Library, Cypress, Redux Backend: Kotlin, PHP 7/8 (Symfony), AWS, Postgres More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Engineer - JavaScript

greater manchester, north west england, United Kingdom
SR2 | Socially Responsible Recruitment | Certified B Corporation™
with other team members to contribute to technical planning You will be experienced in automated testing and have worked with tools such as Cypress, Jest, etc. You will be able to identify issues, debug, and effectively fix problems in production You will be working with the up-to-date technologies … CI/CD pipelines Will have worked on large scale SaaS platforms Tech Stack: Essential: React, Redux, Typescript, NoSQL databases (MongoDB), Elasticsearch, Cypress/Jest, CI/CD Tools. Desirable: Node.js, REST, GraphQL, AWS, Docker. Benefits: Flexible Working Health Plan Unlimited Holiday! Work from anywhere for a month Reduced hours More ❯
Posted:

SAP Sovereign Cloud Senior Quality Specialist - WebApp (Node.js & React)

London, United Kingdom
SAP SE
WebApp components developed with Node.js (backend) and React (frontend) . Contribute to UI, API, and integration testing using tools such as Playwright , Cypress , or Jest . Collaborate with development and operations teams to embed automated tests into CI/CD pipelines (e.g., GitHub Actions, Jenkins). Analyze test results, identify … practical experience. 6-8 years of hands-on experience in automated testing of full-stack WebApps , preferably in enterprise environments. Experience with Cypress , Playwright , Jest , Mocha , or Supertest . Familiarity with RESTful API testing and frontend component testing. Understanding of CI/CD pipelines , test integration, and version control (GitHub More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Lead

Basingstoke, England, United Kingdom
Zensar Technologies
We are seeking a highly skilled Technical Lead with expertise in Node.js Microservices, Express.js, TypeScript, Jest, Playwright, and frontend technologies like AngularJS, Angular 2+, and ReactJS. The ideal candidate will also have strong knowledge of MongoDB, Oracle, and Azure Cloud Services. This role requires 80% hands-on technical contribution and … integrations. Develop and maintain HLD and LLD diagrams. Perform detailed code reviews ensuring adherence to coding standards and best practices. Implement robust unit tests (Jest) and end-to-end tests (Playwright). Guide the team on design patterns, coding principles, and architecture decisions. Optimize database queries in MongoDB and Oracle … years as a Technical Lead. Expert-level experience in: Node.js Microservices, Express.js, TypeScript, AngularJS, Angular 2+, ReactJS (with TypeScript) Strong expertise in testing frameworks: Jest (unit) and Playwright (E2E). Strong knowledge of MongoDB and Oracle, including query optimization. Good understanding of Azure Cloud Services (Service Bus, Event Hubs, Storage More ❯
Posted:

Software Engineer with Security Clearance

Chantilly, Virginia, United States
NS2 Mission
and web protocols and technologies, including Tomcat, Node.js, Web Services, and SSL. Develop and maintain automated unit tests using tools such as JUnit, Jasmine, Jest, or Karma to ensure application reliability and performance. Utilize DevOps tools such as Git, Jenkins, and Nexus for seamless integration and deployment workflows. Work with … as Tomcat, Node.js, Web Services, and SSL. Hands-on experience developing JUnit and Jasmine tests to ensure software quality. Familiarity with testing platforms like Jest or Karma. Practical experience with DevOps tools such as Git, Jenkins, and Nexus for continuous integration. Strong knowledge of cloud technologies, specifically AWS, and containerization More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Web Developer in Oxford - Premier Group

Oxford, Oxfordshire, United Kingdom
Java Script Works
Web Development. Backend Skills: Laravel, PHP, MySQL, REST APIs Frontend Skills: JavaScript/TypeScript, Svelte or Vue, React, HTML, CSS Additional Skills: SOLID principles, Jest, Cloudflare, AWS, BrowserStack, Mobile development experience Ability to conduct code reviews and mentor developers Additional Details Minimum 3 years' experience within Web Development. Backend Skills … Laravel, PHP, MySQL, REST APIs Frontend Skills: JavaScript/TypeScript, Svelte or Vue, React, HTML, CSS Additional Skills: SOLID principles, Jest, Cloudflare, AWS, BrowserStack, Mobile development experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Application Tester with Security Clearance

Herndon, Virginia, United States
Kavaliro
and TypeScript. Demonstrated hands-on experience testing Node.js server applications. Demonstrated experience or proficiency in using advanced testing frameworks and tools such as: Frontend: Jest, React Testing Library, Cypress, or Playwright. Backend: Mocha, Chai, Supertest, Postman, or Newman. End-to-End (E2E): Cypress, Playwright, Selenium WebDriver or Katalon Studio. Demonstrated … advanced knowledge of containerization and testing in Dockerized environments. Demonstrated experience in accessibility testing tools (e.g., Axe, Lighthouse). Demonstrated experience with Elasticsearch Testing: Jest integration for Elasticsearch. Demonstrated experience with manual query validation.Location: Herndon, VA This position is onsite and there is no remote availability.Clearance Requirement: Candidates must have More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Full Stack Developer

Delft, Zuid-Holland, Netherlands
Hybrid / WFH Options
Momo Medical
that likes to work together, eat and drink and a DJ in the team. Our software stack consists of: Backend NodeJS, Typescript, Express, Cucumber, Jest, a little bit of AWS CDK Frontend React, Typescript, Jest Wie we zoeken You excel at communication and work effortlessly with multiple teams to rapid More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior React Developer

Belgium
ACENSI
and PROD , and maintain CI/CD pipelines using Azure DevOps • Write unit tests with the built-in React testing framework in combination with Jest to ensure code quality • Collaborate with the DIOR team using the Atlassian suite (Jira, Confluence, Bitbucket) for project management and version control • Apply translations in … in Dutch or French Preferred knowledge and experience : • In-depth knowledge of React Context API and functional components in TypeScript • In-depth knowledge of Jest and the React Testing framework • Working experience with React Native • Experience with Moment.js for working with timezones • Experience with the Atlassian suite (Jira, Confluence, Bitbucket More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:
Jest
10th Percentile
£50,000
25th Percentile
£56,250
Median
£67,500
75th Percentile
£93,778
90th Percentile
£133,041