this post was submitted on 25 Aug 2023
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Programming
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I’ll throw my 2¢ in on TypeScript → JavaScript. The typings accelerate development significantly (if the developer doesn’t fight them and make everything
any), and you can write to modem JS when you have older runtimes.But more you can do full stack from cloud infra (Infrastructure-As-Code with something like AWS-CDK or CDKtf) to deploy and orchestrate front-end to back-end.
Yeah but the ecosystem drags it about as far down as you can go.
Backend development for large applications relies on stability, the JS ecosystem has anything except stability.This is okay for FE development where you naturally have a lot of churn.
It's a reasonable expectation that a backend built today should be maintenance free and stable over the next 5-10 years if no more features or bugfixes are required. And is buildable, as is, anywhere in that timeframe with minimal or zero additional work.
Additionally, strong backends in the same ecosystem are similar, they use similar technologies, similar configs, similar patterns, and similar conventions. This is not the case for JS/TS backends, there is incredible churn that hurts their long term stability and the low-maintenance requirements of strong enterprise, and even more importantly small businesses backends.
Mature ecosystems provide this by default this is why C#/Java is so popular for these long-standing, massive, enterprise systems. Because they are stable, they have well established conventions, and are consistent across codebases and enterprises.
This is a perspective most devs in the ecosystem lack, given that half of all developers have < 5 years of experience and the vast majority of that is weighted into the JS ecosystem. It takes working with systems written in python, TS, JS, C#, Java....etc to gain the critical insight necessary to evaluate what is actually important in backend development.
Edit: to be clear this isn't just shitting on JavaScript because that's what people do, I work with it everyday, TS is by far my favorite language. 2/3 of my career is with JS/TS. This is recognizing actual problems that are not singularly solvable with the ecosystem that pulls down its liability for backend development. There are languages and ecosystems are much better for your back end it's not that scary to learn a new language (many of my co-workers would disagree it's not scary 😒)
On your point about junior devs working on backend. I think part of that is that asynchronous programming is just hard. You have to have a brain for it. Some stuff you can get away with (front-end, for example, if you miss an event after an animation it’s not the end of the world), but for serious back-end systems you have to know how to handle async no matter what language you’re in.