PrepMeBuddy
AI Interview Simulation & Dynamic Technical Coaching Platform
PrepMeBuddy is an AI-powered technical career acceleration engine that conducts real-time multimodal technical interviews. It combines low-latency speech synthesis, semantic code evaluation, and LLM reasoning to simulate rigorous Silicon Valley engineering interviews with live actionable feedback.
VERIFIED SYSTEM METRICS
The Challenge & Technical Problem
Software engineers preparing for senior technical interviews lack affordable, high-fidelity mock interview platforms that evaluate both verbal communication and live code execution with realistic interviewer personality traits.
The Engineering Solution
Built an ultra-responsive web platform utilizing streaming LLM agents, real-time code sandbox execution, speech-to-text semantic transcription, and automated rubric benchmarking across algorithm complexity, communication clarity, and problem decomposition.
Key Architecture Highlights
- 01Next.js 14 App Router with edge API streaming for sub-200ms token delivery
- 02Isolated WebWorker-based code sandbox for zero-server latency JS/Python evaluation
- 03Whisper API audio streaming pipeline with dynamic noise reduction
- 04Vector embeddings memory store for multi-turn contextual interviewer follow-ups