Student Projects � DSWallah AI Engineering Portfolio

AI Agent

Multi-Tool AI Agent

An AI agent that can search the web, query databases, send emails and interact with external APIs � all through natural language.

PythonLangChainGeminiFastAPIPostgreSQLDocker

+-------------+ � User Input � +-------------+ ? +-------------+ � LLM Router � ? Gemini / GPT-4 +-------------+ ? +------------------------------+ � Tool Executor � � +------+ +------+ +------+ � � � Web � � SQL � �Email � � � �Search� �Query � � Send � � � +------+ +------+ +------+ � +------------------------------+

RAG System

Legal Document Q&A

Upload any legal contract and ask questions in plain English. Uses hybrid retrieval (vector + keyword) for accurate answers with source citations.

PythonpgvectorOpenAIFastAPIStreamlitRedis

+------------------------------+ � Document Upload � � (PDF / DOCX / TXT) � +------------------------------+ ? +------------------------------+ � Chunking + Embedding � � text-embedding-004 / Hugging� +------------------------------+ ? +------------------------------+ � pgvector + Redis Cache � � Hybrid: Semantic + BM25 � +------------------------------+ ? +------------------------------+ � LLM + Context + Sources � � Gemini / GPT-4 � +------------------------------+

AI Chatbot

Multi-Model Course Mentor

A RAG-powered chatbot that answers course questions using a knowledge base, with multi-model fallback and lead capture integration.

Node.jsOpenRouterGeminiRAGGoogle Sheets

+-------------+ � User Query � +-------------+ ? +-------------+ � RAG Search � ? Knowledge Base +-------------+ ? +------------------------------+ � Multi-Model Chain � � Gemini ? Llama ? Qwen � +------------------------------+ ? +------------------------------+ � Response + Lead Capture � � WhatsApp / Google Sheets � +------------------------------+

ML Pipeline

Customer Churn Prediction

End-to-end ML pipeline: data preprocessing, feature engineering, model training with MLflow tracking, FastAPI serving, and monitoring dashboard.

Pythonscikit-learnMLflowFastAPIGrafanaDocker

+----------+ +----------+ � Raw Data �--?� Clean + � � (MySQL) � � Feature � +----------+ � Engg � +----------+ ? +-----------------+ � Model Training � � MLflow Tracker � +-----------------+ ? +-----------------+ � FastAPI Server � � + Grafana Mon. � +-----------------+

Cloud Deploy

Production AI App on AWS

Full deployment: Docker containerization, CI/CD with GitHub Actions, AWS ECS/ECS deployment, monitoring with CloudWatch and custom dashboards.

DockerAWSGitHub ActionsFastAPICloudWatchTerraform

+----------+ +----------+ � Git Push �--?� GitHub � � (main) � � Actions � +----------+ +----------+ ? +-----------------+ � Docker Build + � � Push to ECR � +-----------------+ ? +-----------------+ � Deploy to ECS � � + CloudWatch � +-----------------+

? Computer Vision

Real-Time Object Detection

Live webcam object detection with YOLOv8, optimized with TensorRT, deployed as a FastAPI service with real-time WebSocket streaming.

PythonYOLOv8TensorRTFastAPIWebSocketDocker

+----------+ � Webcam / � � Video In � +----------+ ? +----------+ +----------+ � YOLOv8 �--?� TensorRT � � Detector � � Optimized� +----------+ +----------+ ? ? +--------------------------+ � FastAPI + WebSocket � � Real-time streaming � +--------------------------+

What DSWallah Students Build

AI Agents � RAG Systems � Chatbots � MLOps � Cloud

Ready to Build Projects Like These?