# Patterns
All Patterns notes →01 — Team Topologies
Stream-Aligned, Platform, Enabling, and Complicated-Subsystem teams — the four fundamental team types and the interaction modes between them.
patterns organizational-patterns book maang-prep
02 — Conway's Law
Inverse Conway Maneuver, Team APIs, and Cognitive Load — why a system's architecture mirrors its org chart, and how to design the org chart on purpose instead of by accident.
patterns organizational-patterns book maang-prep
03 — Engineering Leadership Patterns
RFC Process, ADRs, Design Reviews, Technical Governance, and Architecture Council — the decision-making scaffolding that lets an organization make architecture calls without every one becoming a meeting.
patterns organizational-patterns book maang-prep