If you can find a developer from “eastern countries” - great, pay that person that wage. However, you’ll most likely be hiring a developer from outside of your country, possibly even overseas, which is why you need to be respective of their hourly pay and pay them accordingly.
My previous comment does not stand as I misunderstood and believed you were simply asking to adapt it from a prior plugin which would be much easier than making a brand new plugin.
Yes, I strongly urge you to consider using a pre-existing plugin as you won’t find a developer who will craft you a well-built and brand new plugin for less than $1000.
Good luck.