Jest is a popular open-source JavaScript testing framework used to write fast, reliable unit and integration tests for web applications. It is most commonly used with React, Next.js, Node.js, and TypeScript projects. Jest provides built-in mocking, snapshot testing, and parallel test execution, making it a standard choice for maintaining code quality and preventing regressions in modern frontend and backend apps.

You can find experienced Jest developers in JavaScript and React open-source communities on GitHub, as well as in frontend and test-automation focused engineering networks. Many teams also source Jest expertise through senior frontend, full-stack, and QA automation communities.

Freelance marketplaces and specialized JavaScript agencies are also common hiring channels. Or you can save yourself the time and hire directly from us. ReactSquad provides vetted Jest-proficient engineers within 48 hours, ready to strengthen your testing pipeline.

Jest developers typically have strong frontend or full-stack engineering backgrounds, which places them in a competitive compensation range. In the US, experienced JavaScript and test-automation engineers typically earn $110,000 to $145,000+ annually, depending on seniority and location. Freelance rates generally range from $70 to $150 per hour, based on experience and project complexity.

ReactSquad offers startup-friendly senior rates starting at $75 per hour.

As you progress in your hiring process, remember that Jest becomes the safety net for every release you ship. With ReactSquad, you work with engineers who have built and maintained production-grade Jest suites, stabilized flaky tests, and embedded automated checks into real CI pipelines. We help you replace last-minute manual testing with fast, reliable automated coverage that lets your team ship with confidence.