I worked on a small team with 2 or 3 backend Elixir devs as the sole JavaScript / TypeScript front …

I worked on a small team with 2 or 3 backend Elixir devs as the sole JavaScript / TypeScript front end, React Native app, micro services running in node, browser automation developer. It was easiest for me to write a backend service in JavaScript and expose an interface for them to integrate with rather than wait for them to get around to building it. The services were usually small under a couple thousand lines of code and if they wanted to, they could translate the service to Elixir since the business logic was usually hardened and solved. One service might scrape data, store it in S3 buckets, and then process it when requested storing / caching the results in a Postgres database. Here is the important part: the automated browser agents I built were core to the company's business model. Even today nobody can accomplish in any other language than JavaScript what I was doing because it requires injecting JavaScript into third party websites with the headless browser. Even if the surface area was small, the company was 100% dependent on JavaScript. …