Improve an existing React, Vue or Angular application without a disruptive rewrite. I help teams untangle slow, inconsistent or difficult-to-maintain interfaces. Starter engagement One agreed user flow or up to 3 screens. We identify the concrete problems, establish a baseline and prioritize changes that can be verified. Deliverables Implemented UI fixes or component refactoring, responsive and interaction improvements, relevant performance measurements, regression checks and handoff notes. The work may cover rendering bottlenecks, duplicated components, form behavior, layout issues or framework migration planning. Changes are delivered through your repository with a clear explanation. Before starting, we agree on scope, acceptance criteria, timeline and price. A full application rewrite, backend changes and third-party fees are outside the starter scope. No performance uplift is promised before measuring the application.