Large scale organisations handle each code change as strictly as an atoms nuclear mutation through PR's, code reviews and multi-staging environments. Specialisation enhances code quality as well as efficiency whilst maintaining high standards and reducing back pressure on lingering tech dept. Technical writers supporting documentations enables engineers to focus on what's important rather than add thoughts on sub-par code.

Therefore, using decentralised teams with experience hierarchy, code reviews & PR's, documentation and monthly audits ensure high quality code maintenance across all scopes. We can discuss more on this over a call