I think if you lean towards system programming at Google, go with Go. If you want to do web dev, either Rails or Node.js would suffice. If you want to do both b

I think if you lean towards system programming at Google, go with Go. If you want to do web dev, either Rails or Node.js would suffice. If you want to do both backend and frontend, familiarity in javascript, go with Node.js. Rails libraries are more mature, but most new interesting libraries seem to be in javascript.