iPhone app develoepr for coding the UI part

I am looking for someone on part-time monthly salary basis iPhone app development job. We are looking for a talented iOS Application Developer who will be responsible for the development of a photo app. The ideal candidate is a fast learner and has ample experience launching iOS apps across all Apple mobile devices. It is a photo filtering app largely leveraging the “Core Image” library for iOS. The app can add a preset filter to an image adjust your photos using standard photo editing tools (curves, contrast, saturation, cropping, etc.). In addition to that the app will have a fully functioning shop that allows the user to download purchased filter and effects pack, general UI and animations, and of course bug testing. Candidate needs to collaborate with cross-functional teams to define, design, and ship new features. Unit-testing code for robustness, including edge cases, usability, and general reliability. Working on bug fixing and improving application performance. Continuously discover, evaluate, and implement new technologies to increase development efficiency.