Web developer needed to optimize and debug a music streaming website

I am looking for a developer with the following talent: Full-Stack Web Developer specializing in JavaScript and back-end web architecture, website runs complex interactive systems like user queues, payment gateways, and streaming media playlists. Front-End Developer who is highly experienced in HTML/CSS and advanced JavaScript frameworks (like React or Angular) to fix playback errors, UI glitches, or playlist bugs. Back-End Developer to troubleshoot server-side errors, database issues, or broken subscription pathways.