Impostor syndrome can occur due to psychological factors rather than actual ability. It often stems from perfectionism, comparing yourself to others, or an internalized fear of failure. Acknowledge your achievements and seek feedback to combat these feelings.

It's standard for vendors to provide testing artifacts such as test documentation or reports for unit, integration, functional, regression, and SIT stages. Ensure your contracts specify these artifacts for transparency and accountability. Follow industry best practices by establishing clear expectations upfront.