$100 / article is quite low, most developers will make this in an hour or two. Writing high quality technical content takes much longer, 10-20 hours per page, making it a series can get per page time lower.
Hey! Yes, we're starting with $100 and willing to increase it basis each person's writing samples and technical expertise! If you would be interested, I would be happy yo reach out to you over mail and hopefully turn it into a series, as well