The best co-development relationships do not feel like a handoff. They feel like one team with a shared problem, a shared vocabulary, and a clear definition of done.
Direct collaboration changes the work
When developers can speak directly with the people closest to a decision, feedback becomes more useful and iteration gets faster. Context survives the conversation.
Build trust before velocity
A partner earns autonomy by communicating early and delivering consistently. Once that trust exists, teams can move with more confidence because everyone understands the intent behind the work.