What recruiters should know
REST API design and development is a universal skill appearing in virtually all backend, full-stack, and integration engineering roles. REST remains the dominant API paradigm in 2026 (though GraphQL and gRPC have grown). The global API management market is valued at $5.42B (2024), growing to $32.77B by 2032 at 25% CAGR. REST API skills are a screening baseline for essentially all backend roles.
In plain terms
Architectural style for designing networked applications using HTTP
Industry demand
Overall level
very high
Trend
stable dominant
Top hiring sectors
- All Software-producing Industries
- Financial Services
- Healthcare
- E-commerce
- Enterprise Integration
Proficiency ladder
What each level looks like in the work — behavioural markers, not job titles.
At this level, a developer can…
- Basic GET/POST
- Simple endpoints
- JSON responses
- API testing