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mandar-1dev/README.md
waving hand Hi, I am Mandar Suryavanshi Typing SVG

🧠 About Me

role: Second-year B.Tech CS (Data Science) student
focus: AI Agents · RAG & Vector Search · Full-Stack Systems · Distributed Backends
currently: Contributing to open source — GSSoC, Nexus SoC, Open Source Connect India
learning: System design, microservices, and scalable architecture
  • 🤖 Building AI agents & multi-agent systems that plan, retrieve, and reason
  • 🧩 Exploring RAG pipelines, embeddings, and vector databases from first principles
  • ⚙️ Writing backend services in FastAPI, Go, and Node.js
  • 🔓 Merging real pull requests as an open-source contributor

🚀 Featured Projects

✈️ Airport Digital Twin

An airport operations simulator modeling scheduling, gate assignment, and passenger flow as a tick-based state machine, with predictive and anomaly analytics on top.

Python Streamlit SQLite Scikit-learn Pandas Plotly

🤖 AI Multi-Agent OS

An orchestrator that decomposes complex goals into subtasks and dispatches them across 9 specialist agents, with RAG-backed context, long-term memory, and a live execution dashboard.

FastAPI LangGraph ChromaDB Gemini React/TS Docker

💳 PayFlow

A distributed payment-processing platform built around Go microservices and event-driven transaction workflows — idempotency, retries, dead-letter queues, and the outbox pattern.

Go Kafka PostgreSQL Redis React/TS Docker

🏦 CoreBank

A banking simulation platform focused on transaction integrity, account ledgers, and fund transfers via direct database access — no ORM shortcuts.

Go MySQL REST APIs HTML/CSS/JS

🧾 AI Finance Controller

An AI-assisted financial reconciliation system that compares gateway settlements against merchant ledger records — deterministic matching backed by an LLM second opinion.

Go Gemini REST APIs Testing

🎬 Cinema Seat Booking

A Redis-backed hold → confirm → release booking engine, proving exactly one booking wins under high-concurrency seat claims via atomic Redis ops and TTL-based expiry.

Go Redis net/http Docker

🎨 AI Sketch-to-Animation

An AI-powered computer-vision pipeline that turns hand-drawn sketches into animated results — OpenCV preprocessing feeding into Gemini Vision, served through a FastAPI backend and a React/TypeScript frontend.

FastAPI OpenCV Gemini Vision React/TS Docker

🛠️ Tech Stack


🌱 Open Source

Program Focus
🌟 GirlScript Summer of Code 2026 AI/ML open-source repositories
🌟 Nexus Spring of Code 2026 Backend & distributed systems
🌟 Open Source Connect India 2026 PRs, issues, fixes & documentation

⚡ Building intelligent systems that scale.

AI → Full Stack → Architecture → Scale → Impact 🚀

Pinned Loading

  1. Airport-Management Airport-Management Public

    This project demonstrates how different systems works aat the same time , it shows the concepy of system design .

    Python 1

  2. ai-multi-agent-os ai-multi-agent-os Public

    Multi-agent AI OS: orchestrator + 9 specialist agents, RAG, long-term memory, tool calling, and a live agent-execution dashboard.

    Python

  3. cinema-seat-booking cinema-seat-booking Public

    Go + Redis backend for race-free seat booking, using atomic holds with auto-expiring TTLs.

    Go

  4. finance-controller finance-controller Public

    AI-powered reconciliation agent that matches payment gateway settlements against ledger credits, quantifies real cash at risk, and explains every decision — built for the Razorpay AI Buildathon 2026.

    Go

  5. finbank-core finbank-core Public

    Full-stack banking core with MySQL, secure transactions, account management, audit trails, and admin operations.

    Java

  6. animation-creator animation-creator Public

    Turn rough sketches into AI-identified, illustrated, and animated scenes. FastAPI + React + OpenCV + Gemini Vision.

    Python