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Theory will only take you so far”
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Theory will only take you so far”

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Vishnu868/README.md

Hi there! I'm Vishnu

GitHub Stats

🎮 CodeRealm — 100-Level Coding Adventure

A gamified coding platform where you solve real programming & DSA challenges, earn XP, unlock levels, and master your way from beginner to advanced.

Python • C++ • Java • JavaScript | 100 Levels | DSA • Algorithms • DP


About Me

  • Software engineer who builds AI-powered products, from idea to a working, deployed system
  • Final-year B.Tech (AI/ML) student at Amrita Vishwa Vidyapeetham, batch of 2027
  • AI Intern at Versatile Commerce LLP (May – Jul 2026), building AI automation systems
  • AI/ML Engineering Intern at f-ai (AAANS Services Pvt. Ltd.)
  • Working across LLM agents, RAG, multi-agent systems, OCR and voice AI, in both Telugu and English
  • Building an AI business infrastructure venture for Telugu-speaking businesses: voice agents, WhatsApp automation, CRM and workflow automation
  • Shipped full-stack products with React, Next.js, TypeScript and FastAPI, plus IoT and algorithm projects from my early years

Tech Stack

Programming Languages

Python TypeScript JavaScript SQL C C++ Dart

Machine Learning & AI

LLMs RAG LangGraph LangChain CrewAI Multi-Agent Systems Prompt Injection Defense FAISS LanceDB OCR YOLO Voice AI TensorFlow Keras OpenCV NumPy Matplotlib

Backend & Automation

FastAPI Node.js n8n Redis SQLite Firebase

Web & Mobile Technologies

React Next.js Vite Tailwind CSS Flutter HTML5 CSS3

IoT, Tools & Deployment

Arduino Git GitHub Vercel Railway

Featured Projects

🤖 AI Agents & Automation

Project Description
Mapis Multi-Agent Prompt Injection Shield: a stateful, multi-hop trust-scoring defense for LLM pipelines (B.Tech final-year project). LangGraph, FastAPI, SQLite/Redis, React dashboard
autostream-agent Stateful LangGraph agent with RAG, FAISS, intent routing, sequential lead qualification and validation, with FastAPI/WhatsApp integration
vera-bot FastAPI AI agent for contextual business conversations: async LLM composition, trigger routing, intent detection, auto-reply handling, suppression tracking and anti-repetition logic
cwt-ads-agent AI ad-creation pipeline (CrewAI, Apify, OpenRouter, ElevenLabs, Remotion) that researches competitor ads, extracts insights, and generates a 60s script, voiceover and rendered video
VastynAI Automated social media content pipeline built with n8n: drafts, renders and publishes to LinkedIn & Instagram with Slack approval
VoiceTwin AI voice identity and conversational agent for Telugu and English, built to run on CPU-only hardware (B.Tech final-year project). IndicF5, StyleTTS2, Seed-VC, faster-whisper, Qwen2.5, LanceDB, LangGraph

📄 Document AI & Data Pipelines

Project Description
financial-ai-platform Production-grade platform that extracts and validates structured data from Indian financial documents using ensemble OCR, LLM fallback and automated validation
Auto-generation of Materials Property Datasets from Literature ML pipeline that detects, extracts and refines tables from PDFs and images using OCR, deep learning and LLM post-processing
LEADGEN Full-stack India B2B lead generation tool that collects business data from Google Maps and JustDial, validates and scores leads, and exports structured Excel reports

🌐 Full-Stack Products

Project Description
CODEREALM (live) Browser-based coding adventure with 100 real programming missions, multi-language code execution, hidden tests, performance gates, XP, achievements and offline-first progress sync
student-career-nav (live) AI-powered career guidance platform that helps students discover career paths and build personalized roadmaps (TypeScript)
Task-Management (live) Google Sheets-backed mobile task manager with real-time sync, AI-powered weekly performance summaries and automated team scoring
custom-gifting-store Custom gifting e-commerce site with real-time 3D product previews, personalized printing and a corporate + lifestyle catalog
Brandingdelight (live) Mobile-first premium gifting store: 3,000+ products from 34 brands, Next.js 15, React 19, Supabase, Firebase Auth, Razorpay and an admin panel
chitrabhojanam-catering-website Responsive catering business website with dynamic menus, online booking, gallery and contact integration (React, Firebase)
PARO (live) E-commerce platform for PAROEARTH: Next.js, Prisma, Razorpay payments and webhooks, stock management and admin dashboard

🧠 Machine Learning, NLP & Computer Vision

Project Description
VoxWear Bidirectional gesture–speech assistant: MediaPipe + XGBoost gestures, Whisper STT, YOLOv8 scene awareness and an agentic LLM core, on a custom FPV day/night dataset
LCM-GUARD-Multilingual-Offensive-Language-Detection Offensive language detection for 8 Indian languages and code-mixed text with 4-modal feature fusion + SVM, benchmarked against mBERT and IndicBERT
Hybrid-Grammar-Correction-CFG-Transformer Explainable grammar correction combining DFA/FSA/CFG checks with a T5 Transformer, in a Streamlit UI
Multimodal-Emotion-Recognition-CNN-LSTM-Transformer EEG, physiological and eye-tracking emotion recognition with CNN/LSTM/GRU branches and Transformer fusion (PyTorch)
FPV-Hand-Gesture-Recognition Classical-CV first-person hand gesture recognition (HSV, Hu moments, HOG): SVM at 91.2% accuracy, 60 FPS
Bayesian-Churn-Prediction Bayesian logistic regression with Hamiltonian Monte Carlo (PyMC) for churn prediction with uncertainty estimates
Energy-Transition-Prediction-Time-Series-Forecasting ARIMA, SARIMA, LSTM and GARCH load forecasting (LSTM best at 4.3% MAPE), plus the EnergyTripAI Streamlit dashboard
Self-Adaptive-Zero-Trust-Security-Layer Isolation Forest risk scoring on encrypted-traffic metadata (UNSW-NB15) driving adaptive ALLOW / CHALLENGE / BLOCK enforcement
Urban-Accident-Risk-Analytics-Big-Data Kafka, HDFS, Hive and Spark MLlib/Streaming pipeline for real-time urban accident and congestion hotspot detection

🔬 Research, Medical & Bioinformatics

Project Description
FreqODES Reproduction of ODES (MICCAI 2025) on CHAOS T1 MRI, plus FFT/DWT frequency-domain image pruning for online active domain adaptation (course 22AIE437)
Protein-Protein-Interaction-ML-Prediction Deep learning study on predicting protein-protein interactions: interaction modeling, binding site prediction and binding affinity estimation
Cancer-Genome-Mutation-Detection Aho-Corasick and Boyer-Moore string matching for detecting cancer-causing mutations in DNA sequences, with mutation distribution visualization
Crop-Health-Assessment-and-Disease-Detection IoT + ML smart agriculture system for real-time plant disease detection using YOLOv5 + SFR, with a Flutter mobile app and ESP32-CAM

🎓 Algorithms, Systems & IoT

Project Description
Smart-Obstacle-Avoiding-Robot-3D-Simulation Autonomous 4-wheeled robot with obstacle detection, ADMM-based convex optimization for path planning, kinematic control, and Bluetooth/voice control
Dual-Axis-Sun-Tracker-Arduino Dual-axis Arduino solar panel tracker using LDRs and servos for maximum energy efficiency
Friend-Recommendation-System Graph-theory friend recommendation engine built with adjacency matrices and discrete math
Gradient-Descent-and-Ascent-Optimization Gradient Descent and Ascent with the Adagrad optimizer and 3D surface plots
DSA-algorithms-edmonds-karp-bidirectional-search Edmonds-Karp (max flow via BFS) and Bidirectional Search, with visual explanation and performance comparison
Proxy-Server-Project Proxy server with web caching, built with socket programming
Sorting-Algorithms-HackAssembly Bubble, Radix, Merge and Quick sort implemented and analysed in Hack Assembly
Canteen-Management-System-C Menu, billing and order handling system in C

GitHub Streak

GitHub Streak

Contribution Graph

Activity Graph

Current Focus

  • Applied AI Engineering: Shipping LLM-powered products: RAG, multi-agent workflows and AI automation that solve real business problems
  • AI Security: Building defenses for multi-agent LLM pipelines against prompt injection (Mapis)
  • Voice AI for Indian Languages: Telugu and English voice agents that run on modest hardware (VoiceTwin)
  • Document Intelligence: Production OCR and extraction pipelines for messy real-world documents
  • Full-Stack Products: AI-enabled web apps with FastAPI, Next.js, React and TypeScript
  • Business Automation: Voice agents, WhatsApp automation, CRM integration and n8n workflow automation for Telugu-speaking businesses

Let's Connect!

LinkedIn Gmail Portfolio


⭐ Star my repositories if you find them interesting!

Visitor Count

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  1. financial-ai-platform financial-ai-platform Public

    Production-grade AI platform for extracting and validating structured data from Indian financial documents using ensemble OCR, LLM fallback, and automated validation

    Python 1

  2. LCM-GUARD-Multilingual-Offensive-Language-Detection LCM-GUARD-Multilingual-Offensive-Language-Detection Public

    Offensive language detection for 8 Indian languages and code-mixed text using 4-modal fusion (word TF-IDF, char n-grams, context and cultural-lexicon features) + SVM, benchmarked against ML, DL, mB…

    Python 1

  3. VoxWear VoxWear Public

    Bidirectional gesture–speech communication assistant: MediaPipe + XGBoost gesture recognition, Whisper STT, YOLOv8 scene awareness and an agentic LLM core with memory, using a custom FPV day/night …

    Python 1 1

  4. FreqODES FreqODES Public

    Reproduction of ODES (MICCAI 2025) on CHAOS T1 MRI + FreqODES: FFT/DWT frequency-domain image pruning for online active domain adaptation (22AIE437 MIP project)

    HTML

  5. Mapis Mapis Public

    MAPIS – Multi-Agent Prompt Injection Shield. A stateful monitor that tracks session history and item provenance to stop indirect prompt injection spreading across LLM agent hops in LangGraph and Au…

    Python 1

  6. autostream-agent autostream-agent Public

    Stateful LangGraph AI agent with RAG, FAISS, intent routing, sequential lead qualification, validation, and FastAPI/WhatsApp integration.

    Python 3