1. Research existing contrib modules for the desired functionality.
2. Set up the Drupal development environment (DDEV/Docker).
3. Generate module scaffolding using Drush.
4. Implement the required functionality, following Drupal coding standards.
5. Write unit, kernel, or functional tests.
6. Run tests and fix any errors.
7. Review code for security vulnerabilities and performance issues.
8. Commit the changes with pre-commit checks.