DataAnnotation hires a Frontend Developer in Alabama to build responsive web interfaces for AI data annotation systems. This role centers on developing interactive UIs that streamline data labeling for machine learning models. You will code pixel-perfect components using modern frameworks, optimize rendering for large datasets, and integrate real-time feedback loops. Daily tasks include collaborating with backend teams on API integrations and iterating designs based on user analytics from annotation sessions. Expect to lead frontend enhancements for a key project scaling annotation throughput by 40%. Candidates need a bachelor's in computer science or equivalent. Require 3+ years in frontend development. Proficiency in React, TypeScript, and CSS-in-JS essential.