Absolutely - and a lot of what USDS, 18f and PIF do is bring technical people into gov't not only to design and code software, but to make sure the right solution gets implemented, and help policy makers understand how effective technology gets built.
implementing the right solutions is very subjective. There are many approaches to solving a single problem.Lets take the energy example where we have different solutions in renewables, hyro and nuclear amongst others . Now it seems that the people working on renewables dont talk to people from hydro nor with those working on nuclear. IMHO might be better for the global community where people working on a single problem communicated amongst themselves and policy makers to self select what works best.
Not disagreeing with you, but I don't see any programs that would actually help people do that on a global basis. The US Digital Service idea is great - I wouldn't want anyone to be under the impression that it isn't "big enough".