WP customization and cleanup

Need experienced wp guru to make code and design modifications to WP site with plugins. Work needed would be optimizing code by installing plugins, changing button font sizes and colors, renaming some tabs, modifying forms and general clean. Selected programmer will need to work continuously on project until completed. Must be super fast and get it right first time around. Estimated at 15 hours and I need it done in 10. More details will be provided in PM. Programmer needs to be available during Canadian business time. (GMT-5)