This article looks specifically at the process of designing levels for a platformer. The process is a guideline and covers the steps from the initial idea to the final playable level. Let's learn to design levels for a platformer!
The article does not focus on scheduling. However, you do need to keep scheduling in mind when designing levels. The size of a level and the amount of resources it contains depend on the number of people working on it, and the time available to complete it.