Kaleem Q

Technical Lead (PHP)

Next Key Global Solutions • Full time

Jan 2021 - Present • 5 yrs 6 mos

• Architected and deployed autonomous AI agents and intelligent chatbots utilizing the Anthropic API and FastAPI with dynamic tool use and function calling, automating responses to over 70% of routine customer queries with real-time product data. • Designed and optimized a Retrieval-Augmented Generation (RAG) system using vector-based semantic search, improving response accuracy for knowledge-base queries and cutting average query resolution time by over 30%. • Led full-stack development and architecture of scalable multi-tenant web applications using PHP, Laravel, MySQL, and React.js, supporting 10,000+ active users across multiple client deployments. • Spearheaded system performance tuning and database optimization, reducing average query response times by up to 40% and maintaining 99.9% uptime across multi-tenant architectures. • Mentored a team of 5+ engineers, establishing code review standards and clean code practices that reduced production bugs by 25% and accelerated onboarding for new hires.