When building massive web applications, the key to maintainability is establishing strictly enforced boundaries between your data fetching logic, global state, and presentation components. In this post, we break down how to structure Next.js App Router projects into domain-driven slices rather than monolithic feature blocks. The result is a codebase that is easier to onboard to, faster to compile, and more resilient to redesigns.
Architecture
React
Next.js
Scalable Frontend Architecture Patterns
Oct 12, 2025