Configure cloudflare block rules to mitigate ddos attack

I am in need of a skilled freelancer who can configure cloudflare block rules to mitigate DDoS attacks. The expected traffic volume and frequency of the attacks are moderate and occasional. I would like to block certain regions and IPs to prioritize my website's security. Currently, I am using the free version of Cloudflare, so experience with this plan is necessary. Ideal skills for this job include expertise in DDoS mitigation, cloudflare block rules, and IP blocking techniques in addition to finding pattern in the traffic. The freelancer should also be knowledgeable in website security best practices and have experience in handling DDoS attacks.