* Which languages suits the problem as of 2025? (About all: performance, deployability, ecosystem.) * Which languages I know (or are willing to learn) - and so

* Which languages suits the problem as of 2025? (About all: performance, deployability, ecosystem.) * Which languages I know (or are willing to learn) - and so do my collaborators? All in all, it is if a language gets job done within constrains. Everything else id details.