Software projects can be a black box, but they don't need to be. I can evaluate code you have, or that you may be interested in acquiring or investing in. I can estimate 'technical debt', guide refactoring to resolve it, and employ stricter architecture to accelerate robust development. Depending on the deployment infrastructure, I can profile your application's resource usage, determine and accelerate bottlenecks. I can tell you how it uses open source software, if it is scalable, among other criteria of concern to you.