PhantomCodeAI is an AI-powered interview practice and assistance application for software engineers and technical candidates. It supports coding, SQL, system design, behavioral, and HR interview preparation with live audio transcription, screenshot capture, resume-aware responses, step-by-step explanations, complexity analysis, multilingual support, and post-session review. PhantomCodeAI is available for Windows and macOS and is designed for mock practice and employer-permitted assistance workflows.