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richardy-lobo-sapan/README.md

Hi, I'm Richard 👋

AI Engineer & Data Scientist based in Jakarta, Indonesia. I build intelligent systems using LLMs, machine learning, and data pipelines — with a focus on fintech and real-world analytics.

🗂 Projects

Project Description Stack Links
Aria — LLM Chatbot with Memory Conversational AI chatbot with persistent memory and streaming responses built on Groq + Llama 3.1 Python · Groq API · Streamlit Live Demo
DocChat — RAG System RAG system that lets you upload any PDF and ask questions about it with source citations Python · LangChain · ChromaDB · Gemini · Streamlit Live Demo
AI Agent with Tools AI agent that searches the web, does math, and chains multiple tools to answer complex multi-step questions Python · LangChain · LangGraph · Gemini · Tavily Live Demo
LLM API Production Production-ready LLM API with RAG, Langfuse observability, and Supabase persistent storage — deployed on Railway FastAPI · LangChain · Gemini · ChromaDB · Langfuse · Supabase · Railway Live API
Fintech Segmentation API Production REST API serving KMeans segmentation model on 278K fintech transactions. Dockerized with CI/CD pipeline. FastAPI · Docker · Railway · GitHub Actions Live API
Fintech Behavioral Segmentation Customer segmentation on fintech transaction data using clustering to identify behavioral patterns Python · Scikit-learn · Pandas —
Olist Analytics — dbt + BigQuery E-commerce data pipeline modeled into star schema with staging, intermediate, and mart layers dbt · BigQuery · SQL —
Face Recognition Real-time face recognition system using computer vision Python · OpenCV —
Stock Trading Robot LSTM deep learning model that predicts stock prices 10 days ahead and recommends Buy/Sell/Hold actions Python · LSTM · TensorFlow · Keras —

📚 Resources

Indonesian NLP Resources 🇮🇩 — Beginner's curated list of NLP resources for Bahasa Indonesia and Indonesia's regional languages

📈 Currently Building

  • Fintech LLM text-to-SQL analyst (Project 5)

🛠 Tech Stack

AI & LLM Python Scikit-learn TensorFlow Keras PyTorch OpenCV Groq API Anthropic API Llama 3.1 LSTM LangChain ChromaDB RAG Gemini API LangGraph AI Agents ReAct Tavily Langfuse Supabase

Data Engineering dbt BigQuery SQL Pandas NumPy

Backend & APIs FastAPI Uvicorn Pydantic REST API

DevOps & Cloud Docker Railway GitHub Actions CI/CD Google Cloud Streamlit Cloud

Tools Git GitHub Jupyter Streamlit

🌐 Connect

LinkedIn Portfolio GitHub

"Always learning, always building."

Pinned Loading

  1. awesome-nlp-id awesome-nlp-id Public

    A curated list of NLP resources for Bahasa Indonesia and Indonesia's regional languages

    Shell 1

  2. fintech-behavioral-segmentation fintech-behavioral-segmentation Public

    Customer segmentation on 278K fintech transactions using KMeans clustering to identify behavioral patterns — Gaming Casuals, Active Explorers, Established Regulars, Food-Focused Occasionals

    Jupyter Notebook

  3. olist-analytics-dbt olist-analytics-dbt Public

    E-commerce data pipeline built with dbt and BigQuery — staging, intermediate, and mart layers on Olist dataset

  4. llm-chatbot-memory llm-chatbot-memory Public

    Conversational AI chatbot with persistent memory and streaming responses built on Groq API and Llama 3.1

    Python

  5. ai-agent-tools ai-agent-tools Public

    AI agent that can search the web, do math, and query BigQuery data using LangChain tools and Google Gemini

    Python

  6. rag-document-chat rag-document-chat Public

    RAG system that lets you upload any PDF and ask questions about it — built with LangChain, ChromaDB, and Google Gemini

    Python