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As your product gets bigger so does your team, adding a new member to the team can be challenging. Let them know that you are there in an active way and let them know they matter. Make sure they can technically start work as fast as possible: If your new member’s environment cannot be all set up and ready in 5 hours, something is not right, and you might want to think about the environment setup process. Create a user guide and technical documentation to help developers understand how the project is built.