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Hi πŸ‘‹, I'm Ayyappan M

AI Developer | Python Developer | FastAPI | Building AI Chatbots & Web Applications


πŸš€ About Me

  • πŸŽ“ BSc Computer Science graduate (2026) β€” Kaveri Arts and Science College, Periyar University, Salem
  • πŸ€– Passionate about building LLM-powered applications and AI systems
  • βš™οΈ Experienced in FastAPI backend development and REST API integration
  • 🧠 Strong foundations in prompt engineering, vector embeddings, and data analysis
  • 🌱 Currently exploring LoRA fine-tuning and advanced AI/ML techniques
  • πŸ“ Based in Salem, Tamil Nadu | Open to Remote & Relocation

🧠 What I Work On

  • Building AI-powered conversational systems with custom memory
  • Developing full-stack web applications with FastAPI backends
  • Creating data pipelines and automated billing systems
  • Integrating LLM APIs (Groq, OpenAI) for production applications

πŸ› οΈ Tech Stack

Languages:

Python SQL JavaScript HTML5 CSS3

Frameworks & Tools:

FastAPI Pandas NumPy MongoDB Google Cloud

AI/ML:

Groq API Jupyter Kaggle


πŸ“Œ Projects

πŸ”Ή AI Chatbot with Custom Memory

Full-stack AI conversational chatbot with custom memory system delivering context-aware responses across multi-turn dialogues.

  • πŸš€ Implemented Groq API + FastAPI backend achieving sub-500ms response latency
  • 🧠 Built Chain of Thought (CoT) prompting system with 98% response relevance
  • πŸ’Ύ Custom memory using vector embeddings + cosine similarity β€” 85% reduction in context loss
  • 🌐 Interactive HTML/CSS/JavaScript frontend with 100% cross-browser compatibility Tech: Python FastAPI Groq API Vector Embeddings HTML/CSS/JavaScript Postman

πŸ”Ή AI-Based Multi-Item Order & Billing System

AI-powered full-stack order processing and automated billing system with Google Sheets integration.

  • πŸ“Š Real-time order validation using gspread API β€” automated quantity, pricing, tax calculations
  • πŸ€– Groq API-powered receipt generation with 98% professional formatting accuracy
  • πŸ” Secure API key management using Kaggle Secrets
  • βœ… Zero errors in grand total computation across all test cases Tech: Python Google Sheets API Groq API gspread Kaggle Notebooks JSON

πŸ’Ό Experience

Full Stack Development Intern β€” R Tech Solution, Perambalur (May 2025 – June 2025)

  • Developed and tested full-stack web applications using HTML, CSS, JavaScript
  • Applied frontend–backend integration, database handling, and version control

πŸ“œ Certifications

  • πŸ† Data Analytics (Grade A+) β€” IBM SkillsBuild / ICT Academy (Dec 2025)
  • 🐍 Python for Data Science and AI β€” Coursera (May 2025)
  • 🏒 TCS iON Certification β€” Tata Consultancy Services (Jan 2025)
  • 🐍 Python Certification β€” Guvi (Sep 2024)
  • πŸƒ MongoDB Basics for Students β€” MongoDB (Aug 2025)
  • ☁️ Digital Marketing β€” Reliance Foundation (June 2025)

πŸ“« Connect With Me

LinkedIn GitHub Email


⭐️ Focused on building intelligent systems that solve real-world problems with AI and Python.

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