I would definitely agree that you best option is to pick a stack that is popular enough to have a bit of traction but one where knowledgeable practitioners are rare enough that a company would consider finding someone who knows that stack compensate for the perceived downsides of a remote worker. I would probably replace Erlang with Elixir/Phoenix on that list, you are likely to find more open positions and the latter will imply web work that is more amenable to a remote coder.