Ask HN: How to apply agile to a team of 5-7 without annoying the talented?

Hi HN, Our startup company is about to initiate a 6 month long development cycle for a mobile app project which will be published in Turkey next year. The team consist of back-end and front-end engineers as well as UI/UX designers with at least 2 years of experience. It is arguable that there is a supreme approach that our product will benefit most but we are eager to know our options and be able adapt ourselves. We've done some research on how to apply scrum to our process and although in many cases, the guidelines seem beneficial, some of us argued that a plan driven scrum or some merge of scrum and waterfall may suit us better. TDD is not an option. There are a few points we all agree which are: - A week is a sprint in which each developer and designer achieve at least one goal by the end of Friday, unit tested and pushed to master branch in the end. - Every member of the team at some point have to be given the chance to monitor the other without interfering with their wor