Web UI/UX & Front-End Expertise

My web application is already deep in the development phase, yet its visual polish and user flow still need a decisive push. I now want to refine every screen, optimise each interaction and translate approved mock-ups into clean, responsive code that slots seamlessly into the current build... (Budget: ₹1500 - ₹12500 INR, Jobs: CSS, CSS3, Frontend Development, HTML5, JavaScript, UI / User Interface, UX / User Experience, Website Design)