make a plugin for Osclass

Hello, i have to project make a website in the world of cars parts, with Osclass, a open-source classified website. i need design on this universe and i seek a webdesigner for do template for this site. some infos about what i have/want : - i want a design light but different from osclass template already present. - some modifications on the code source of this site because i need some features not present on the original code (like add search function for additional fields) - integrate on interface some functions already presen by plugins. i appreciate if you already have a portfolio where i can check your old works. if you make good job and can work both designer/coder, i can have some additionals tasks for you. thanks for have read me.