There really is no silver bullet. If you really want to cover most cases, you have to - Be generalist to cover all general concepts as you outlined - Be a "pr

There really is no silver bullet. If you really want to cover most cases, you have to - Be generalist to cover all general concepts as you outlined - Be a "programmer". That is knowledgeable in specific frameworks and languages - Be data structure and algorithms guy. Most technical interviews involve them even if they are not needed in job.