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STIWARTs/README.md

Hey, I'm Stiwart!

I'm endlessly curious about how things work, and the best way I've found to actually understand something is to build it. That's led me through 18+ hackathons, tech events, work with startups, and certifications across AI, cloud, and full-stack development — each one adding another layer to how I think about solving problems. Scroll down for the full story!


Summary

  • B.Tech, Computer Science — Shri Shankaracharya Technical Campus, Bhilai (2023–2027)
  • SDE Intern — RootVestors (December 2025 – June 2026)
  • Winner — NASA International Space Apps Challenge (2025 & 2024), UIDAI Data Hackathon 2026, Hack-a-Sol 4.0 2025, HackBIOS 2025 (2nd Position), HACKHAZARDS '25 (Top 100)
  • Participated in 18+ hackathons and innovation programs
  • Author of a peer-reviewed paper on zero-trust middleware for AI tool-use security

Achievements

NASA International Space Apps Challenge 2025 — Winner, Global Round Nominee

CleanAirSight, a real-time air quality monitoring and forecasting platform covering North America, developed for the NIT Raipur local event and nominated to represent the institute at the global round. Combines NASA TEMPO satellite data, ground sensor readings (OpenAQ, EPA AirNow), and weather data with an XGBoost-based ML pipeline delivering 6–72 hour AQI forecasts. Provides pollutant-level breakdowns (NO2, O3, HCHO, PM2.5, PM10) and personalized health recommendations for vulnerable populations, urban planners, and researchers. Repository

NASA International Space Apps Challenge 2024 — National Round Winner, Top 10 Nominee (India)

Neotarium, an interactive 3D orrery web application visualizing the Solar System and Near-Earth Objects, including asteroids, comets, and Potentially Hazardous Asteroids. Celestial body models were built in Blender and rendered with Three.js, with orbital paths, eccentricities, and inclinations mapped from NASA's public Keplerian element data and the CNEOS close-approach database. Repository

UIDAI Data Hackathon 2026 — Winner

A three-layer predictive gap-analysis engine for mandatory Aadhaar biometric updates, built against the standard six-person team cap. Combines cohort tracking, K-Means clustering for service-desert identification, and LSTM-based forecasting of demand-crunch periods across roughly five million records. A deep-learning extension adds autoencoder anomaly detection and SHAP-based explainability for district-level classification. Repository

Hack-a-Sol 4.0 — Web3 Track Winner

Adhikar, a decentralized land registry addressing tribal land rights, built in 24 hours for IIIT Naya Raipur. Replaces a single-admin approval model with a five-member Gram Sabha community council requiring five independent on-chain signatures before a land claim is written to the Ethereum blockchain. Combines a MERN stack with Solidity smart contracts (Hardhat, Sepolia testnet), AI-OCR document verification, and a Telegram bot for low-bandwidth public verification. Devfolio · Live site · Repository

HackBIOS 2K25 — Second Position

HealthScan, a privacy-first, browser-based health screening platform running multi-modal tests — voice, motor/tremor, eye and cognition, memory, cardiovascular, mental health, and vision/hearing — entirely on-device. Integrates with India's ABDM health-records infrastructure and Google Fit for activity and biometric data, enabling early screening without dedicated lab hardware. Repository

AI for Bharat Hackathon 2026 — Finalist, Student Track (Prototype Round)

AutoDev-AI, an AI-powered codebase onboarding platform generating animated architecture maps, AI setup guides, and guided walkthroughs to help new developers understand any project quickly, in their own language. Supports multi-language code explanations (Hindi, Tamil, Telugu, and more), a codebase Q&A assistant, and a learning-progress dashboard. Shortlisted for the final prototype round under "AI for Learning & Developer Productivity." Live site · Repository

HACKHAZARDS '25 (The NAMESPACE Community) — Top 100 of 2,100+ teams

Collie, an AI-powered fashion shopping platform built across a 210-hour hack window. Combines a Groq-based AI recommendation assistant, Firebase authentication, virtual try-on, and native crypto checkout via Web3Modal/Wagmi with Base Sepolia support for on-chain payments and NFT collectibles. Built on Next.js, TypeScript, Material UI, and MongoDB, with product/session data in Firestore. Devfolio · Live site · Repository

Navonmesh 3.0 — Participant

SSIPMT Raipur, November 2025. WastiFY, a smart waste-management platform built for Raipur Municipal Corporation under the Swachh Bharat Mission, combining a citizen-facing portal — GPS-tagged waste reporting, municipal verification, and a reward-points/leaderboard system — with a working hardware prototype demonstrating IoT bin sensors and camera/robotic-arm-based waste sorting.

MLH Gemini Build Hackathon (Prompt, Train, Party — Hack Days), Major League Hacking — 2026

Healix, an AI health and wellness companion using Google Gemini 1.5 Pro for AI food-photo nutrition scanning, epigenetic health-report analysis, habit and medication tracking, and a 24/7 AI wellness coach. Built on the Google Cloud stack — Firebase, Vertex AI, Cloud Functions, and Antigravity — for real-time, personalized health insights. Repository

Google Solution Challenge 2026 — Prototype

NGO Synergy, a crisis-response platform converting raw field reports — photos, PDFs, free text — into verified, prioritized incidents via Document AI OCR and Gemini-based structuring. Ranks needs by urgency and impact, then matches and dispatches volunteers based on skills, distance, and availability, with real-time mapping and a human-in-the-loop verification workflow. Repository

Flipkart GRiD 2026 — Project Submission

GitHappens, a two-stage ensemble combining a 10-seed LightGBM model with a Seq2Seq Transformer for citywide traffic-demand forecasting at (geohash, 15-minute slot) granularity. Uses Bayesian-smoothed target encodings and heavy regularization to handle sparse, single-occurrence training cells, scoring 91.76/100 on the public leaderboard. Repository

World's Largest Hackathon presented by Bolt — Participant

Dash & Draw, a real-time multiplayer drawing-and-guessing game inspired by Skribbl.io, built on the MERN stack with Socket.IO for live canvas sync. Supports lobby-based matchmaking, rotating drawer turns with word selection, real-time chat-based guessing, and live scoring across rounds. Repository · Live demo

HackIndia 2025 (Spark 4) — Participant

CryptoCrafters, a decentralized NFT marketplace built on Ethereum with Solidity smart contracts and Hardhat for development and deployment. Supports minting NFTs with IPFS-stored metadata, buying and selling via ETH, and MetaMask wallet integration, with a dashboard for tracking owned and listed NFTs. Repository

STATATHON 2025 — Participant (MoSPI × AICTE × Ministry of Education's Innovation Cell)

Problem Statement 2 — Data Dissemination: "Create an API gateway to run SQL queries on the Survey Datasets and retrieve the results in a user-friendly form like JSON."

Proposed solution: an API Gateway for MoSPI Microdata enabling instant, secure, query-based access, featuring:

  • Secure data retrieval with role-based access control
  • Instant query response via a dedicated query engine
  • Real-time analytics and interactive data visualization
  • Format-specific output with support for custom data input
  • Developer-friendly integration, architected around a Data Catalyst, API Gateway, Query Engine, and Visualization layer

AICTE Productization Fellowship (APF) 2025 — Participant

Submitted an Idea/PoC to the AICTE Innovation Repository (Innovation ID: IR2025-974664) under the "Other Emerging Areas Innovation for Start-up" sector — an indigenous Battle Royale game concept focused on India-hosted infrastructure, data privacy, and performance optimization for mid-range devices, developed with a small team through concept, MVP scoping, and a full production/monetization roadmap.

PSBs Hackathon Series 2026 (IDEA 2.0, Ai-CSPARC) — Participant

Awaaz — "Your Mother Tongue, Our Banking Language" — an end-to-end Speech-to-Reasoning-to-Speech (S2R2S) system built on the sovereign Sarvam AI stack, acting as a real-time digital interpreter and cognitive co-pilot for frontline bank staff:

  • Acoustic Intelligence — uses Saaras v3 streaming ASR to transcribe 22+ Indic languages, natively handling Indian code-mixed "Hinglish."
  • Context-Aware Translation — a Sarvam-105B LLM "Banking Brain" goes beyond literal translation, recognizing banking jargon, product names, and account types for accurate contextual meaning.
  • Agentic Process Guiding — identifies customer intent (e.g., a loan enquiry) in real time and dynamically guides staff through the required banking processes and checklists on-screen.
  • Empathetic Synthesis & Auditing — narrates the staff's response back to the customer via Bulbul v3 TTS in their native language, then auto-generates a structured bilingual summary for bank records.
  • Dual-track AI backend — combines system prompting for fast translation with Agentic RAG for real-time retrieval of factual bank policies, surfaced through a split-screen Linguistic Audit + Dynamic Guided Panel command center.
  • Built entirely on India's sovereign Sarvam AI infrastructure for full data residency and DPDP Act 2023 compliance.

Smart India Hackathon — Participant, 2024 and 2025

Cognizant Technoverse Hackathon 2026 — Certified Participant


Publications

A Zero-Trust Middleware Architecture for Securing Agentic Workflows against Tool Poisoning

IEEE E-Summit, March 2026

Identified and demonstrated eight novel metadata-based attack vectors — termed Adversarial Metadata Injection — within the Model Context Protocol (MCP) ecosystem. Proposed and implemented MCP Sentinel Gateway, a zero-trust middleware layer that sanitizes tool metadata before it reaches an LLM, preventing instruction hijacking and unauthorized data exfiltration in agentic tool-use pipelines.

Read the paper (Paper ID: IJSRMES2026S08)


Experience

SDE Intern — RootVestors

December 2025 – June 2026 (Remote)

Primary work is on Whiteboard, RootVestors' AI-powered educational whiteboard platform connecting teachers, students, and learning resources into an interactive classroom system. The platform runs on PostgreSQL and pgvector for curriculum and resource search, MongoDB for application data, and integrates Gemini for lesson generation, PhET simulations, and Sarvam AI for voice transcription and playback and many more..

Supporting tools and internal utilities built during the internship:

Project Description
TheValidator ComplianceGuard Enterprise — a hybrid AI-plus-rule-engine platform automating Indian MCA compliance filings, reducing per-form processing time from 30–60 minutes to under 10 seconds.
ps (Smart Board) Digital whiteboard prototype with AI-generated content, YouTube embedding, and PDF/voice attachments, built on the tldraw SDK.
YTSearch Ranks YouTube results for genuine educational animation content, filtering lecture/facecam videos via a parallel scoring pipeline combining keyword analysis, thumbnail face-detection, and transcript scoring.
PDF-TO-JSON Converts a scanned career-guidance PDF into structured JSON using PaddleOCR with column-aware parsing.
manim-mcp-server MCP server for generating Manim-based mathematical and scientific animations, used for lesson content generation.
remotion-skills Programmatic video generation using Remotion, evaluated for automated lesson video output.

Projects

Designs (vibe coded) — ShyenAI

Project Description
ShyenAI Mental-wellness application delivering personalized meditation guidance, built on TanStack Start and React 19.

Web3

Project Description
coffee-dapp A "buy me a coffee" decentralized application for on-chain tipping, deployed and verified on the Holesky testnet with a Hardhat and Solidity smart-contract backend.

Android — APPs

A collection of small Android applications built while learning Android Studio.

Project Description
BMICalculator Android app for calculating Body Mass Index.
InchesConverter Android unit-conversion app for inches.
TheHungryDeveloper Android app project built as part of the Android Studio learning series.

College Projects

Academic minor/major projects completed as part of the B.Tech coursework at SSTC, Bhilai.

The SSTC Students' App

An Android application consolidating fragmented student-facing services — profile access, class timetables, and university notifications — into a single, full-screen, distraction-free platform. Built in Android Studio (Java, XML) following an MVC architecture, with a WebView integration embedding the university portal, encrypted local storage for saved login credentials, offline caching for timetable access, and a settings overlay for user preferences. Validated through unit, integration, system, and user-acceptance testing with no major bugs reported. Repository

REVENAC (RVM-APK) — Smart Reverse Vending Machine Platform

A mobile-first recycling-incentive platform, built in React Native, that gamifies waste management through IoT-enabled Reverse Vending Machines (RVMs). Users deposit recyclables verified via QR code scanning and sensor-based waste classification, earning a token-based reward (5 tokens per bottle, 3 per can) redeemable through a rewards marketplace.

Key features:

  • Dual authentication system (User & Admin)
  • QR code scanning for deposit verification
  • Token-based reward system with gamified leaderboards and badges
  • Rewards marketplace with a redemption flow
  • Real-time analytics and impact tracking
  • Full Admin Panel across six management screens
  • Location-based RVM mapping with interactive maps

Repository (release)

Agentic Multipurpose Research Engine with RAG and Tool Orchestration

An AI system designed to go beyond conversational chat by combining an LLM with Retrieval-Augmented Generation, persistent memory, and multi-tool orchestration to automate research workflows — addressing the fragmented, manual, and time-intensive nature of traditional research processes.

Architecture:

  • RAG pipeline — documents are loaded, chunked, and embedded into a vector store; the most relevant chunks are retrieved via semantic search and passed to the LLM alongside the user's query as context.
  • Multi-agent orchestration via MCP — a host client coordinates multiple MCP servers (including a Manim server for generating mathematical animations, plus arithmetic and logic tool servers) exposing tools, resources, and prompts to the LLM.
  • Reasoning and memory — Gemini LLM handles advanced reasoning, with conversation history maintained for context-aware, multi-turn responses.

Future scope identified: voice-based interaction, real-time web data integration, graph-based memory (Neo4j), fully autonomous agents, and multimodal (image/video) support. manim-mcp-server · remote_expense_tracker_mcp_server · MultiagentSystem · mcp-client


Community Recognition

Recognized by the Google Cloud Security Community for active engagement — answering questions, sharing best practices, and contributing to the community throughout the year.


Technical Skills

Languages — Java, Python, JavaScript, TypeScript, C, C++, Solidity, R

Backend & Data — PostgreSQL, pgvector, MongoDB, SQLite, Node.js, Express, firebase, FastAPI, Redis, Vector DB

Frontend — React, Next.js, Tailwind CSS, Material UI, Redux

Cloud & DevOps — Google Cloud Platform, Azure, AWS, Docker, GitHub, CI/CD

AI & Machine Learning — Generative AI, Google Gemini, Vertex AI, Model Context Protocol (MCP), RAG, AI Agents, Agentic AI, LangChain, PyTorch, Scikit-learn, llm, claude code

Web3 — Solidity, Hardhat, Ethereum smart contracts

Embedded Systems — Arduino, ESP32, Raspberry pi, flight controllers (APM, Pixhawk, DJI), sensor integration


Certifications and Training

Cloud and Applied AI

  • Google Cybersecurity Specialization — Coursera, July 2024. Credential ID 72VLFG3VSG7B.
  • Google Cloud Computing & Generative AI — Google Developer Group, November 2024.
  • Generative AI: Prompt Design with Vertex AI, Gen AI Apps with Gemini and Streamlit — GDG On Campus, SSTC, July 2024.
  • Google Cloud Computing Foundations & Generative AI — GDG On Campus, SSTC, December 2023.
  • Google Cloud Arcade — Google Cloud Skills Boost.
  • Operating Systems — Cisco, October 2024.

Full Stack Web Development, Delta Batch — Apna College

Hands-on MERN-stack program covering the full lifecycle from frontend to deployment: React, Tailwind, Material UI, and Redux on the frontend; Node.js, Express, MongoDB, SQL, and authentication on the backend; and Docker, CI/CD, and RESTful APIs across the stack. Projects built during the program:

Project Description
ZERODHA Stock-trading platform clone with a live dashboard, holdings, positions, and order management.
Zoom Full-stack video-calling application with real-time chat, built on Node.js, Socket.io, and React.
ChatGPT Conversational chat client backed by the Gemini API.
CI-CD CI/CD pipeline demonstration for a MERN project using GitHub Actions, including a Dockerized Node app.
MERNSTACK Full project archive covering authentication, Redux, SQL integration, and Tailwind, including the Wanderlust (Airbnb clone) major project.

Vocational Training — Robotics and Drone Making

CSVTU, 2025

Robotics phase: built Bluetooth-controlled actuators and lighting systems, environmental monitoring with DHT22 and MQ2 sensors, ThingSpeak-based IoT data logging, WiFi-enabled automation interfaces, and multi-page LCD/OLED display systems on Arduino and ESP32 — strengthening embedded C/C++, wireless communication, and cloud IoT skills.

Drone phase: covered the complete workflow of designing, building, and operating multi-rotor drones, including flight-controller setup (APM, Pixhawk, DJI), transmitter–receiver configuration, BLDC motor and ESC tuning, structural assembly, power management, and flight-safety protocols.

Repository

Hackathons and Competitive Programs

  • PSBs Hackathon Series 2026 (IDEA 2.0, Ai-CSPARC) — Union Bank of India & Department of Financial Services, Ministry of Finance, Government of India, 2026.
  • STATATHON 2025 — Ministry of Statistics and Programme Implementation (MoSPI), AICTE, and MIC, 2025.
  • Paranox 2.0 — TechXNinjas, August–November 2025.
  • AICTE Productization Fellowship (APF) 2025 — All India Council for Technical Education, 2025.
  • UIDAI Data Hackathon 2026 — Unique Identification Authority of India, April 2026.
  • Solution Challenge 2026 — Google for Developers, April 2026.
  • AI For Bharat — Hack2skill, March 2026.
  • E-Summit 2026 — E-Cell SSTC, March 2026.
  • Cognizant Technoverse Hackathon 2026 — May 2026.
  • Hack Days: Prompt, Train, Party — Major League Hacking, February 2026.
  • Hero Campus Challenge, Season 10 — Unstop, February 2026.
  • Navonmesh 3.0 — Shri Shankaracharya Institute of Professional Management & Technology, November 2025.
  • HackASol '25 Track Winner — Hack-a-Sol, November 2025.
  • NASA Space Apps Challenge 2025 — October 2025.
  • HACKHAZARDS '25 — The NAMESPACE Community, May 2025.
  • HackIndia 2025 — HackIndia, April 2025.
  • World's Largest Hackathon presented by Bolt — June 2025.
  • Google for Education Certifications — August 2025.
  • NASA Space Apps Challenge 2024 — October 2024.

MORE

  • AI Fundamentals: Acquiring Data Level 1 — Accenture ASCEND
  • Digital Application Fundamentals in STEM — NASSCOM
  • UAV Navigation Bootcamp

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