That's what other languages are for. Logic handling IO goes in Node.js, and everything else can go in native modules, child node processes, or other services th

That's what other languages are for. Logic handling IO goes in Node.js, and everything else can go in native modules, child node processes, or other services that fulfill requests. If you can design an application where this kind of separation won't overcomplicate everything, Node.js is probably pleasant to deal with.