With Scrum how can you ensure that small teams between 5 to 9 people can self-sufficiently handle all phases in software engineering life cycle from architecture to operations by themselves? You should encourage everyone in your Scrum team to become a generalist. You should only hire team members who are eager to learn and grow regardless their effective level of knowhow and experience. You should strictly avoid people who expect to be evaluated in a fixed set of roles and responsibilities. All above choices