Need Backlinks for my Software Development related website to increase only DA

Need Backlinks for my Software Development related website to increase only DA

Hello,
I have my website, which I want to make DA high, right now DA is 15 I want more than 50+, my website is niche software development. And I just want to increase the DA of my website.
NOTE: I only want backlinks related to my niche.

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Requirements

only niche related backlinks are required for my website (my niche is Software Development)

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Skills Required

backlinks linkbuilding ofpageseo seo