Mobile/desktop:<p>ionic, electron hybrid native/web apps start. Eventually native when unified-platform dev technical debt exceeds benefit.<p>Web preferred:<p>FE: Vue, TypeScript, Ava, jsverify, brunch<p>Surprisingly, brunch scales really well despite being less popular.<p>BE: Phoenix (Elixir/Erlang), Postgres, Redis, CouchBase, Neo4j, ElasticSearch, excheck<p>DevOps/SRE: C, Go and Ruby<p>Really interested in flexible constraint-oriented FE like Layx which allows for specifying layout as a system of equations. It's closer to many desktop auto-layout UI constraints, but programmic instead of pointy-clicky property editors.<p><a href="https://github.com/layxlang/layx" rel="nofollow">https://github.com/layxlang/layx</a>