Be aware that this might be short term thinking. What you gain in getting features done fast by mid level developers will probably cost you later in the form of technical debt. I'm not saying you can't write good and maintainable software in JS, but the features and practices other languages offer (strong and static typing, interfaces or traits, ownership reinforcements, monadic entities like list comprehensions) aren't there just to make things harder. They are usually worth the perceived extra complexity for bigger projects