Writing a readable, maintainable and future-proof code is a distinct skill, widely different from writing code per se. One-time contractors with fixed result-ba

Writing a readable, maintainable and future-proof code is a distinct skill, widely different from writing code per se. One-time contractors with fixed result-based pay are tend to ship "just working" code, thus most of closed-source commercial one-developer code is an utter garbage. Looking into open-source projects may give a totally different perspective, because OSS authors are actually care what other will say.