Hi, im an indie developer and I'm surely able to fix most common problems you might have, to give you a good sense of the time its gonna take me to fix the proyect i will need to see first how bad is the situation and then i would accurately tell you how much time ill need. I am a programming student so any problem i might have a hard time with i would check it with my proffesors and it will be done in the best of ways, i will comment any problem with what i did to fix it.