For those working in tech companies as analysts, did you submit a cover letter when applying?

Assuming you didn't receive a data science job by promotion or by connection, or better yet if you're hiring, do you believe a cover letter is important in job applications?

I've noticed that most companies use services like greenhouse to manage applications. A lot of them have a field for a cover letter which isn't required. I've personally previously been in companies where what truly mattered were skill tests or resumes and they were just fluff which was skimmed by. …

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