What recruiters should know
Jest appears in 1,351 job postings over the 90 days ending June 2026 (Skillenai, demand up 11% in last 4 weeks). Used by 7,262 respondents in State of JS 2024 — the most of any testing tool. Critical 2026 intelligence: Vitest has grown 400%+ since 2023 and is the recommended choice for new Vite-based projects. Jest remains the default for existing React/CRA/Next.js codebases.
In plain terms
JavaScript testing framework focusing on simplicity and support for large applications
Industry demand
Overall level
very high
Trend
stable dominant
Top hiring sectors
- SaaS & Web Development
- E-commerce
- FinTech
- Media & Entertainment
- Enterprise Software
Proficiency ladder
What each level looks like in the work — behavioural markers, not job titles.
At this level, a developer can…
- Basic tests
- Matchers
- Test setup
- Mocking basics