We need an game 2D developer for mobile (Cocos2d ) similar to Metal Slug

We are a Marketerinc company ,and we work in many fields as marketing and Mobile applications so for that we want to hire a developer for a freelance task and after to full time job to join our team,the task headlines are :
1.develope a mobile game 2D (Cocos2d mobile)
2.good at design
3.game have to work on ios and android
4.game similar to metal slug

for any question feel free to ask.