Kelvin Musk

Senior AI Software Engineer NovaSphere Technologies – San Diego, CA Dec 2021 – Oct 2025

• Architected AI-powered recommendation and personalization systems, driving a 20% increase in daily active user engagement.
• Engineered and implemented end-to-end ML pipelines for data ingestion, model training, evaluation, and production deployment, reducing model deployment time by 40%.
• Integrated LLMs into backend services to automate content generation and customer support workflows, resulting in a 35% reduction in support ticket response time.
• Implemented RAG-based systems with evaluation metrics and guardrails to ensure accuracy, safety, and reliability, cutting the zero-result query rate from 12% to 4%.
• Built scalable, low-latency service APIs using Python, FastAPI, and Node.js principles, handling 10k+ requests per second.
• Optimized model inference and backend performance, reducing response latency by 40%+.
• Collaborated with cross-functional teams in an agile environment, taking full ownership of deliverables