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Jest Jobs in California (NOW HIRING)

Redolent, Inc.

Full-Stack Engineer

Sunnyvale, CA · On-site

Write unit test cases using Jest, Mocha, React Testing Library, and Cypress. * Ensure browser compatibility and responsive web design. * Experience with Git for version control. * Experience with ...

Perfict

Sr. Full Stack Engineer

Dublin, CA · On-site

Angular, Jest, Playwright • Backend: Java, Spring Boot, Oracle • APIs: REST, OpenAPI • AI: GitHub Copilot • Cloud: Azure (primary environment) • Database: Oracle (on‐prem, legacy‐heavy ...

Navisoft

Senior React Developer

Santa Clara, CA · On-site

$150 - $210/hr

Jest, React Testing Library * RESTful API integration Senior React Developer We are looking for a Senior React Developer with 5+ years of experience to join our team in Santa Clara. Responsibilities:

RBM Software Inc.

Software Engineer (Ref:1)

Pleasanton, CA · On-site

$161.64 - $171.64/hr

React, GitHub Actions, Jest, and Cypress. * Minimum Education: Bachelor's degree in Computer Information Systems or a related field. * Minimum experience: One (1) year. Employer will accept no ...

Owens Corning

Marketing Assistant

Corona, CA

$41K - $52K/yr

Owens Corning jest pracodawca oferujacym rowne szanse. Z wyjatkiem ograniczonych przypadkow, takich jak formalne programy praktyk zawodowych, Owens Corning nie zatrudnia osob ponizej 18. roku zycia.

Owens Corning

Marketing Assistant

Corona, CA · On-site

$41K - $52K/yr

Owens Corning jest pracodawcą oferującym równe szanse. Z wyjątkiem ograniczonych przypadków, takich jak formalne programy praktyk zawodowych, Owens Corning nie zatrudnia osób poniżej 18. roku ...

CYNET SYSTEMS

Front End Developer

San Leandro, CA · On-site

$60 - $65/hr

WebPack. * JEST. * Enzyme. * Jasmine. * Mocha. * Chai. * React Testing Library. Qualification And Education: * BS/BA degree or higher in science or technology. Benefits: Our Benefits Include:

New

Anagh Technologies, Inc.

Node

Mountain View, CA · On-site

$60.50 - $78/hr

Experience in Jest for unit testing application. * Experience working with container-based technologies such as Docker or Kubernetes. * Experience is BDD testing using Mockito. * Experience in ...

Qubeaxis

Full Stack Engineer

San Francisco, CA · On-site

$120 - $170/hr

Knowledge of testing frameworks (Jest, React Testing Library, Vitest, Supertest). Nice to Have * Exposure to GraphQL (Apollo, Relay) and real‑time features (WebSockets, Socket.io). Nice to Have

Anagh Technologies, Inc.

Node Developer

Sunnyvale, CA · On-site

$61 - $79/hr

Experience in Jest for unit testing application. * Experience working with container-based technologies such as Docker or Kubernetes. * Experience is BDD testing using Mockito. * Experience in ...

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Jest information

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How much do jest jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for jest in California is $45.35, according to ZipRecruiter salary data. Most workers in this role earn between $34.42 and $58.61 per hour, depending on experience, location, and employer.

What is Jest?

Jest is a popular open-source JavaScript testing framework developed by Meta (formerly Facebook). It is primarily used for testing React applications, but it also supports projects written in JavaScript, TypeScript, and Node.js. Jest provides a simple and comprehensive API for writing unit, integration, and snapshot tests. It comes with features like zero configuration, code coverage, mocking, and a fast, parallel test runner. Because of its ease of use and powerful features, Jest is widely adopted in the JavaScript community.

What is a Jest job?

A Jest job typically refers to working with Jest, a popular JavaScript testing framework used for unit and integration testing, primarily with React and Node.js applications. Roles involving Jest often include software engineers, QA engineers, or test automation specialists responsible for writing and maintaining test suites. These jobs require knowledge of JavaScript, testing best practices, and often CI/CD integration.

What are the key skills and qualifications needed to thrive as a Jest testing framework developer?

To thrive as a Jest Testing Framework Developer, you need strong JavaScript skills, experience with automated testing, and a solid grasp of software development principles. Familiarity with Jest, Node.js, continuous integration systems, and version control tools like Git is typically required. Attention to detail, problem-solving abilities, and effective communication are valuable soft skills in this role. These competencies ensure reliable code quality, efficient testing processes, and seamless collaboration within development teams.

How do software engineers typically integrate Jest into their daily workflow when working on large-scale projects?

Software engineers commonly use Jest as part of a continuous integration pipeline, writing and maintaining unit and integration tests alongside new code. In large-scale projects, it's standard to run Jest tests automatically on each pull request to ensure code quality and prevent regressions. Engineers often collaborate with team members by reviewing test coverage reports and pair-programming on complex test cases. Regular communication with QA and DevOps teams helps streamline test execution and resolve any environment-specific issues, making Jest an integral part of a robust quality assurance process.

What is the difference between Jest vs QA Tester?

AspectJestQA Tester
Primary RoleJavaScript testing framework for unit testsSoftware quality assurance and manual/automated testing
Required SkillsJavaScript, testing libraries, codingTesting methodologies, scripting, attention to detail
Work EnvironmentDevelopment teams, coding environmentsQuality assurance teams, testing labs
Common CertificationsNone required, but JavaScript knowledge essentialISTQB, CSTE, or similar testing certifications

Jest is a JavaScript testing framework primarily used by developers for unit testing code, while QA Testers focus on evaluating software quality through manual and automated testing. Jest is integrated into development workflows, whereas QA Testers work across multiple stages of the software lifecycle to ensure product quality. Both roles require testing skills but differ in focus and environment.

What are the most commonly searched types of Jest jobs in California?

The most popular types of Jest jobs in California are:

What are popular job titles related to Jest jobs in California?

For Jest jobs in California, the most frequently searched job titles are:

What job categories do people searching Jest jobs in California look for?

The top searched job categories for Jest jobs in California are:

Jest jobs near you
Infographic showing various Jest job openings in California as of August 2026, with employment types broken down into 85% Full Time, 6% Part Time, and 9% Contract. Highlights an 76% Physical, 4% Hybrid, and 20% Remote job distribution, with an average salary of $94,338 per year, or $45.4 per hour.

Full-Stack Developer (Java, React, JavaScript)

Redolent, Inc.

Sunnyvale, CA • On-site

Contractor

This job post has expired today. Applications are no longer accepted.

Job description

We are actively looking for a Full-Stack Developer (Java, React, JavaScript) @ Sunnyvale CA
Role: Full-Stack Developer (Java, React, JavaScript)
Duration: 12+ Months
Location:Sunnyvale CA
Rate: DOE
Job Description:
  • Develop applications using React/Redux, HTML, CSS, and other JavaScript libraries. Strong expertise in Webpack, Single Page Applications (SPA), Next.js, Node.js, ES6, and TypeScript. Proficiency in React Context, Hooks, and LESS/SASS for styling. Write unit test cases using Jest, Mocha, React Testing Library, and Cypress.
  • Required back-end experience as well.
  • Developing microservices.
  • Required strong exp in Java, Spring boot, API, Kafka
  • Ensure browser compatibility and responsive web design.
  • Experience with Git for version control.
  • Experience with Material UI and AG Grid is a plus. Skills Required: React.js, Redux, React Hooks, React Context TypeScript, ES6, Jest, React Testing Library, Mocha, Cypress, and other testing libraries HTML, CSS, LESS, SCSS, browser compatibility, RWD (Responsive Web Design), SPA (Single Page Application).

Please let me know if you are available and interested.
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About Redolent

Sourced by ZipRecruiter

Redolent, a dynamic and rapidly expanding company committed to excellence in software solutions, where success is fueled by a combination of technical expertise and efficient management practices. Our solutions create a measurable delta in our clients’ productivity and profitability, contributing to their growth and success.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

San Jose, CA, US

Year founded

2008

Social media

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