hello, i am interested, long time away from freelancer, now back to do some real professional work, but you can check my profile, I've completed all jobs with good ratings.
regarding your task, you just said to convert your custom script into wp plugins, that's okay but need more details on this, obviously you know that. My bid $200.00 it just initial proposal, we can settle it to proper amount , after i can see your details spec.
thanks
hope to hear from you soon insha Allah.