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happinesschibuzor/README.md

Hi, I'm Happiness Chibuzor 👋

AI Engineer

I build intelligent systems using machine learning, NLP, and modern AI frameworks. My work spans voice AI agents, chatbots, and automation pipelines, applying transformer based models and agentic architectures to solve real business problems.


🛠️ Tech I Work With

AI / ML / NLP Python LangChain LangGraph Transformers BERT NLP Machine Learning LLM Engineering

Memory & Data Short Term & Long Term Memory Systems Vector Databases (Pinecone) SQLite

Applied AI Systems Voice AI (Vapi, Synthflow, Retell AI) Conversational AI (Botpress, Intercom) Speech Recognition

Responsible AI AI Ethics

Automation & Integration Make.com Zapier n8n GoHighLevel CRM & API Integration


🚀 Featured Projects

Project Description
NLP Text Classification Text classification pipeline built with transformer based NLP models
BERT Powered Chatbot Conversational chatbot built on a fine tuned BERT model
Chatbot with Long Term Memory Chatbot architecture using LangChain and LangGraph to maintain memory across sessions
Voice AI Booking Agent Demo Voice agent that handles inbound calls, qualifies leads, and books appointments automatically

(Links will be added as each repo goes live)


💼 Areas I've Worked In

  • Machine learning and NLP: text classification, transformer based models
  • Building AI workflows and agents with LangChain and LangGraph
  • Chatbots with memory, multilingual support, and calendar integration
  • Voice AI agents for call handling, lead qualification, and appointment booking
  • Workflow automation connecting CRMs, forms, and communication tools

📫 Let's Connect


Based in Lagos, Nigeria. Open to remote roles and freelance projects worldwide.

Pinned Loading

  1. ai-chatbot-long-memory ai-chatbot-long-memory Public

    An AI chatbot with conversational memory built using LangChain and LangGraph.

    Jupyter Notebook

  2. bert-faq-chatbot bert-faq-chatbot Public

    A BERT-powered FAQ chatbot built with Hugging Face Transformers.

    Jupyter Notebook

  3. langgraph-ai-agent langgraph-ai-agent Public

    Jupyter Notebook

  4. pinecone-semantic-search pinecone-semantic-search Public

    Jupyter Notebook

  5. rag-chatbot-langchain rag-chatbot-langchain Public

    A Retrieval-Augmented Generation (RAG) chatbot built with LangChain and ChromaDB.

    Jupyter Notebook

  6. voice-ai-lead-follow-up voice-ai-lead-follow-up Public

    Built an AI voice agent for Takeoff Media to follow up with leads, confirm application details, and schedule follow-up calls. The agent explains the process, sets expectations, and delivers natural…