"In software development, lack of experience can be a really big issue" can you explain this one to me? I hope that someone who calls themselves a senior developer with 20 years experience will know a lot about different technologies. On the other hand if you are a co-founder who needs to code, design, network and do many many other things, software development has nothing to do with it. Your demo will not be using the right technologies. Companies grow and new developers get hired. Code gets re-written and technologies you use, will be changed.