You can absolutely push your development cycle to the limit, the fastest programmer with a completely comprehensive suite of tests, sure. Go for it. You will still be fundamentally hamstrung by not-fit-for-purpose tooling (JIRA), overly bureaucratic release processes, and slow deployment mechanisms. Yes, be the most efficient developer you can, work in small increments and iterate effectively, but it's just as important to remove systematic issues that hinder you and your team.