This. Hopefully you've selected a component or mvc web framework that enables clear separation of roles, to minimize integration bottlenecks. As for processes

This. Hopefully you've selected a component or mvc web framework that enables clear separation of roles, to minimize integration bottlenecks. As for processes, Scrum methodologies such as the daily stand up meeting and weekly defined iterations would probably be beneficial. But take that with a grain of salt, since some teams simply don't work well with such fixed parameters. Give it a try, but don't stick to it out of obligation. Stick to it if it works.