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Designed and launched scalable web applications using React and Tailwind CSS, focusing on responsive design, performance, and smooth user experience. Architected backend services with FastAPI and Python, delivering secure APIs, modular microservices, and high reliability at scale. Implemented a RAG-based chatbot that combined hybrid retrieval with LLMs, ensuring accurate, contextual, and citation-backed responses. Constructed document analysis pipelines using OCR, semantic chunking, and metadata processing to enable intelligent search and automated insights.

Developed a robust web automation and crawling solution using Selenium, along with a GUI automation system for Zoom leveraging PyAutoGUI. Engineered a stream detection and download system utilizing FFmpeg, enabling both full and live stream downloads with 98% success in retrieving requested audio content. Implemented real-time speaker diarization using PyAnnote's Speaker-Diarization-3.1 and embedding models. Integrated OpenAI’s GPT-4 with the Faster Whisper model for live transcription, improving transcription smoothness through enhanced speech processing.

Developed 50+ web scraping solutions, providing 200M+ student data records from university websites. Implemented an automated web crawling bot on Outlook, leading successful email campaigns with 200k+ contacts. Built a profile analysis system leveraging the open-source Mistral-4B model, performing category classification on 500k+ students with 95% accuracy. Conducted 10+ security-focused code reviews for a SaaS platform, identifying vulnerabilities and ensuring adherence to best security practices in production environments.

Developed and optimized scalable backend systems using Python frameworks such as Django and Flask, improving system efficiency and reducing response times by 25%. Established RESTful and GraphQL APIs, integrating third-party services and microservices architectures to enhance application interoperability and data flow. Built dynamic responsive frontend components using React, improving user experience and performance by implementing state management with Redux and optimized rendering using memoized components.