The way to become a writer is to write, just as the way to become a programmer is to code. The more you do it, the better you get at it. Developers have a poor reputation for being able to write well and this is how to overcome it.
And there's no better place to start than here. For reasons I haven't yet been able to fathom, the readers of Dev.to posts are among the nicest you can hope to have. Even where criticism is given it's usually wrapped up in encouragement. I've only recently started to post and I'm amazed by the positive reactions I get. Although my articles tend to be somewhat longer than the average I haven't yet had a single TL;DR. So yes, keep it up.
I was amazed at the positive reactions I've received as well! Dev.to is one of the best online communities I've come across
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