Frontend Systems
Modern React product builds
Interactive UIs, editor-heavy interfaces, and app dashboards spanning Vite, React, Next.js, and TypeScript.
Projects: mdfmt, StadiumFlow, todo, memepage
// APURVE KARANWAL
> EXECUTE_WORK_VIEW ⚡
> EXECUTE_WORK_VIEW ⚡
// SYSTEM_STATUS
STATUS: NOMINAL
UPTIME: 74:12:05
LIVE_TIME: --:--:--
DATE: -- --- --
LOCATION: ASIA/DELHI
HIGHLY CLASSIFIED DATA
(Or try: ↑ ↑ ↓ ↓ ← → ← → B A)
// Mapped from shipped work across mdfmt, PulseAI, StadiumFlow, Playto-Pay, memepage, PNGProtect, Sentia, and embedded builds on GitHub.
STACK SIGNAL
Most work here centers on API design, service architecture, async job processing, containerized development, and practical deployment workflows using Node.js, Bun, Redis, BullMQ, Docker, FastAPI, and databases across both SQL and NoSQL stacks.
Frontend Systems
Interactive UIs, editor-heavy interfaces, and app dashboards spanning Vite, React, Next.js, and TypeScript.
Projects: mdfmt, StadiumFlow, todo, memepage
Backend Engineering
REST backends built with Python and Node ecosystems, from secure password managers to payout engines and media platforms.
Projects: Playto-Pay, Securo, Cha-Ching, memepage
AI + Vision
LLM flows, OCR tooling, posture/video analysis, invisible watermarking, and image-processing pipelines grounded in practical apps.
Projects: PulseAI, PNGProtect, pyOCR, Sentia
Security + Systems
Work across encrypted credential storage, watermark verification, hardware automation, and system-level experiments that sharpen reliability and security thinking.
Projects: CipherVault, PNGProtect, SMART_IRRIGATION, Home-Automation
LIVE GITHUB SIGNAL
Live contribution activity from @ApurveKaranwal, surfaced here as a direct signal of consistency, iteration, and public engineering output.
// Actively contributing to public repositories, improving codebases, and fostering collaboration within the development community.
**Contribution:** Improve error handling, add Node.js check, auto .html extension, wrap in main()
> View PR**Contribution:** docs: fix spelling typos and documentation errors
> View PR**Contribution:**docs: correct typos and grammar in READMEs and documentation
> View PR// **PNGProtect is an image protection system that uses algorithmic pixel manipulation and checksum-based integrity techniques to safeguard PNG assets. The application is implemented with a scalable web architecture for efficient and secure image processing.
// **Built Memepage, a fully hand-coded meme sharing platform where users can upload and browse memes, with integrated Web3 functionality. Developed using React, Express, Multer, and Cloudinary to handle image uploads, storage, and delivery efficiently.
// **AI-Powered Medical OCR**: A Python tool using Tesseract, OpenCV, and BeautifulSoup to parse blood test reports (PDF/images), extracting data for health applications.
// **Built mdfmt (README Studio), an open-source WYSIWYG Markdown editor that converts rich-text input into clean, GitHub-flavored Markdown in real time. Developed with React, TipTap, and Turndown.
// **An expense tracking application built with FastAPI and SQLite, designed to keep your daily finances organised, efficient, and easy to manage.
// **An AI chatbot that answers questions from PDFs using RAG, powered by LangChain, Groq LLaMA 3.1, and FAISS. Built with Streamlit, HuggingFace, and PyPDF for seamless PDF processing and intelligent retrieval.
// **Wearable Emergency IoT**: Device with real-time GPS tracking and instant **email/mobile alerts** powered by **NodeMCU**.
// **Secure Password Manager**: Python application utilizing **Fernet encryption** for secure generation, storage, and retrieval of credentials.
// **ASCII Art Generator**: A Python command-line utility for converting standard text input into various **stylized, creative ASCII art** displays.
// Smart IoT-based system for remote **monitoring and control** of household appliances, designed to increase convenience and energy efficiency.
// Full-stack application for managing daily expenses. Features include **category-based tracking**, data export, and simple visualization.
// Compact IoT device monitoring real-time pandemic data (Worldometer & Thingspeak) using NodeMCU and OLED display.
//**Automated Farming System**: IoT solution using **NodeMCU** and soil moisture sensors. Regulates water usage and sends remote status updates.
//A fast and secure password manager backend built with FastAPI and SQLite, featuring auto password generation and safe storage.
// Virtual Try-On Utility**: Python-based tool for creating realistic virtual T-shirt mockups by overlaying custom designs onto model images.
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// Selected academic and foundational work that shaped problem solving, implementation discipline, and software fundamentals.
Gained a strong foundation in computer science and programming, covering algorithms, data structures, object-oriented programming, and real-world problem solving using Python.
> View Code/ReportA static travel agency website created as part of my college web development project using HTML. It includes multiple web pages with forms, tables, internal navigation links, and marquees, showcasing the design of a travel booking site.
> View Code/ReportA fully responsive, multi-page public transportation system website that demonstrates how a rapidly growing city can improve mobility using modern design, data handling, and a Node.js backend.
> View Code/Report// Embedded Systems, Robotics, and IoT prototypes from the personal workshop. (Data Logs Below)
Tracks live latitude, longitude, speed, and direction. Displays live location on a map of India using **NodeMCU and GPS** for emergency monitoring and location alerts.
Safety system that prevents a car from starting if the driver is intoxicated, leveraging an **Arduino microcontroller** and a precise **MQ3 alcohol sensor**.
Monitors temperature, humidity, and soil moisture, waters plants automatically, detects intruders via **PIR sensor**, and sends alerts to mobile.
A versatile remote-controlled vehicle project managed entirely via a mobile phone application utilizing a **Bluetooth communication module**.
A physical security system that grants access with a correct PIN input and automatically locks the door using **Arduino** and a solenoid lock.
Innovative glasses that **vibrate** if the driver's eyes remain closed for more than 10 seconds, serving as a critical alert to prevent drowsy driving accidents.
Regional Ambassador
As an official Community Ambassador, I bridge the gap between complex blockchain tech and the developer community. My mission is to drive adoption, facilitate innovation, and build a robust ecosystem on Hela Labs.
KIET Group of Institutions
2025 - 2029 | Expected Graduation
Academic foundation complemented by ongoing work in backend engineering, systems design, and applied infrastructure.
Bansuri Mahotsav 2022
Awarded for the 'WOMEN SAFETY SYSTEM' project.
Recognized for using IoT, with efficient alert mechanisms and reliable location tracking.
How can a single-threaded architecture of Redis handle millions of operations per second?
Additional writeups and engineering notes are published on Medium as they are finalized.
Ongoing articles cover backend internals, infrastructure, and implementation tradeoffs.
// Outside engineering, I spend time with **piano**, **books**, long-form writing, and games that reward systems thinking.
[LOG: REQUESTING CONNECTION] For internships, collaborations, or backend-focused engineering opportunities, reach out directly below.
> SEND_MESSAGE_EMAIL