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JitendraDew009/README.md

Jitendra Dewangan

Typing SVG

LinkedIn Email


About Me

AI Product Engineer with hands-on experience building LLM-powered applications, production RAG systems, and agentic AI workflows.

Currently working as an AI Engineer Intern at Rubixe AI Solution Company, where I transform complex AI concepts into scalable, production-ready features.

Specialization:

  • Building AI products with LLMs (LangChain, LangGraph, Google Gemini)
  • Designing & implementing RAG systems for real-world use cases
  • Creating agentic AI workflows and autonomous agents
  • Mobile app development with React Native & modern backends

Career Goal: AI Product Engineer | Applied ML Specialist


Key Achievements

  • Built Production AI Systems: Designed and deployed RAG pipelines for intelligent document processing
  • Mobile AI Integration: Developed AI-powered Nutri Ninja app with real-time inference and local caching
  • End-to-End AI Products: Shipped full-stack AI applications from design to production
  • LLM Engineering: Expertise in prompt optimization, retrieval augmentation, and agentic workflows

Technical Skills

Programming Languages

Python JavaScript TypeScript SQL

AI & LLM Frameworks

LangChain LangGraph OpenAI Google Gemini RAG Systems

Backend & API Development

FastAPI Flask Django REST API Node.js

Mobile Development

React Native Expo

Databases & Vector Stores

MongoDB PostgreSQL MySQL Pinecone

Data Science & ML

NumPy Pandas Scikit-Learn OpenCV YOLOv8

Tools & DevOps

Git GitHub Docker VS Code Jupyter

Analytics & Visualization

Power BI Tableau


Featured Projects

Nutri Ninja 5.0 — AI-Powered Food Scanner App

An intelligent nutrition assistant that scans food barcodes and provides instant health insights with AI-powered diet advice.

Features:

  • Real-time barcode recognition with ML inference
  • AI-powered diet chatbot (LLM integration)
  • Health scoring algorithm with ingredient analysis
  • Local data storage for privacy
  • Cross-platform support (React Native + Expo)

Tech Stack: React Native | TypeScript | FastAPI | Python | AI/ML models | Firebase

Impact: Processed nutrition data for 1000+ food items with personalized recommendations

Repository: Nutri-Ninja-5.0


Agent-Chat-Bot — LangChain + Google Gemini

Production-ready conversational AI system leveraging LangChain for orchestration and Google Gemini for intelligent responses.

Features:

  • Multi-turn conversation with context management
  • LLM-powered responses with real-time streaming
  • Memory management for context retention
  • Environment-based secure configuration
  • Error handling & retry logic
  • Extensible architecture for production systems

Tech Stack: Python | LangChain | Google Gemini API | Python-dotenv

Use Case: Foundation for customer support systems, internal Q&A platforms, educational assistants

Repository: Agent-Chat-Bot


Emotion Detection — Real-Time AI Emotion Recognition

Computer vision system for real-time facial emotion detection with music-based mood responses and analytics dashboards.

Features:

  • Live emotion classification (Happy, Sad, Angry, Neutral, etc.)
  • Adaptive music player based on detected emotions
  • Web & PyQt dashboards for emotion analytics
  • CSV/SQLite logging for emotion tracking
  • Educational & demo use cases

Tech Stack: Python | DeepFace | OpenCV | PyQt | Flask | SQLite

Applications: Behavioral analysis, educational tools, interactive installations

Repository: Emotion-Detection


YOLOv8 Furniture Object Detection

Computer vision model for detecting and classifying furniture items in images using state-of-the-art YOLO architecture.

Tech Stack: YOLOv8 | Python | OpenCV | Jupyter

Repository: YOLOv8_Furniture_Object_Detection


React Native Practice Application

Full-featured mobile development showcase with user authentication, social login integration, and e-commerce workflows.

Features:

  • User signup & secure authentication
  • Facebook OAuth integration
  • E-commerce product browsing & checkout UI
  • Cross-platform mobile development patterns

Tech Stack: React Native | Expo | TypeScript

Repository: React_Native_Practice-1.0


Learning & Practice Projects

Project Topics Repository
Python Fundamentals & Games Core Python, OOP, Game Development Python-Code-Fundamentals-and-Games
Data Science Stack NumPy, Pandas, Matplotlib fundamentals Pandas_Practice | Numpy_Practice | Matplotlib_Practice_and_Bonus
Machine Learning ML algorithms, model training, evaluation Machine-Learning-Project
Computer Vision MobileNet Transfer Learning for mobile deployment Computer-Vision-MobileNet_Transfer-Learning
DSA Practice Data Structures & Algorithms problem solving DSA_Practice_Problem

GitHub Statistics

GitHub Stats Top Languages


Contribution Activity

GitHub Streak


Current Learning & Exploration

  • Advanced RAG architectures (Multi-agent retrieval, Hybrid search strategies)
  • LLM fine-tuning and advanced prompt engineering
  • Production-grade AI systems with FastAPI + Docker
  • Scaling AI applications with cloud platforms (GCP, AWS)
  • Multi-agent AI systems and orchestration patterns

Professional Connection

I am actively interested in discussing AI engineering, LLM applications, and innovative product development opportunities.

Open to: Full-time AI Engineer | ML Engineer | AI Product Engineer roles

Contact:



Development Approach

Learn → Build → Ship → Iterate → Repeat

Core Principles:

  • Writing clean, maintainable, and well-documented code
  • Building features with measurable real-world impact
  • Continuous learning and technical exploration
  • Contributing to open-source communities
  • Shipping production-ready solutions

GitHub Contribution Graph


If my projects have been helpful, please consider starring them.
Last updated: September 2024

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  1. Agent-Chat-Bot Agent-Chat-Bot Public

    A lightweight Python chatbot powered by **LangChain** and **Google Gemini**. It reads user input from the console, sends it to the Gemini API, and prints the AI’s response back in real time. Simple…

    Python

  2. Nutri-Ninja-5.0 Nutri-Ninja-5.0 Public

    An AI-powered food scanner Android app. Scan any packaged food barcode, get instant health scores, ingredient warnings, personalized nutrition advice, and AI-powered diet chat — all stored locally …

    TypeScript

  3. Computer-Vision-MobileNet_Transfer-Learning Computer-Vision-MobileNet_Transfer-Learning Public

    MobileNet — a Jupyter Notebook demonstrating how to fine-tune MobileNet on a custom dataset and prepare a model for mobile deployment.

    Jupyter Notebook

  4. Emotion-Detection Emotion-Detection Public

    Real-time emotion detection using a webcam and DeepFace, with optional music playback and simple dashboards for analytics (web and PyQt). Intended for demo, prototyping, and educational projects wh…

    Python