CodeNotes

May 29, 2026 · R&D Management

Quickly Master a New Codebase in Your First Week at a New Company

The article outlines a step‑by‑step approach for new developers to efficiently understand business requirements, explore the interface layer, sketch system diagrams, seek knowledgeable teammates, and submit a small PR within the first two weeks, turning a confusing codebase into a comprehensible system.