High-Quality Tech Niche Backlinks Needed

I'm seeking a professional to help with building niche-relevant Dofollow backlinks for my tech blog posts. These backlinks need to come from sites with a Domain Authority (DA) and Page Authority (PA) of 50 or above, with a spam score of less than 5%.

Ideal Skills Include:
- SEO expertise, specifically in backlinking
- Experience with tech niche
- Proficiency in using WordPress for Web 2.0 backlinks
- Understanding of blog post promotion

Backlink Types Required:
- Dofollow/Nofollow Backlinks
- Comments and Forum Backlinks
- Social Media Backlinks
- Directory Backlinks
- Image Backlinks
- Web 2.0 Backlinks
- Wiki Backlinks
- Social Bookmarking
- Web 2.0 Profile Backlinks
- Forum Profile Backlinks
- Article Directory Backlinks

Please provide pricing for individual backlinks as well as bundle packages.