Kunal Yadav
Full-stack developer · Gurugram, Haryana
Education
Master of Computer Applications (MCA)2025 – 2027
Indira Gandhi University, Meerpur
Bachelor of Computer Applications (BCA)2021 – 2024
Indira Gandhi University, Meerpur
Technical skills
- Languages
- JavaScript, Python, Java, C, C++, C#, R
- Frontend
- React.js, HTML, CSS, Tailwind CSS, Bootstrap
- Backend
- Node.js, REST APIs, Hono, Auth (JWT, OTP, passkeys), Payments
- AI
- MCP servers, LLM APIs (OpenAI, Claude, Gemini), Workers AI, OCR
- Mobile
- Android, Capacitor, PWA
- Data
- PostgreSQL, MySQL, MongoDB, Cloudflare D1
- Cloud
- Cloudflare Workers, Pages, Pages Functions, R2, D1
- Tooling
- Git, GitHub, VS Code, WordPress, SEO, DNS & hosting
Projects
ReaderByte (Coming soon)readerbyte.com
- Built and maintain an edtech platform made up of multiple web and Android apps.
- Centralised admin panel for apps, users, content, analytics and platform settings.
- Management systems for question banks, test series, study material and AI tools.
- Deployed on Cloudflare Workers, Pages, D1 and R2.
ByteLabs (Early access)bytelabs.co.in
- Runs client work end to end: scoping, design, development, deployment and hosting.
- Publishes in-house tools such as Quiz AI, Markdown Editor and Diagram Studio.
- Handles domains, DNS, email and performance/SEO for client sites.
SSC for Sandeepsscforsandeep.com
- Full-stack exam-prep platform for SSC CGL, CHSL, CPO and MTS aspirants.
- Admin panels for question banks, test series, courses, material, users and orders.
- Payment gateway, automated invoicing, email notifications and order management.
- SEO, caching and performance work for better search visibility.
Ujjwal Sr. Sec. Schoolujjwalbawania.com
- Responsive React and Tailwind CSS website for an HBSE-affiliated school, with SEO optimisation.
Quiz AIBrowser extension
- Browser extension that extracts quiz text and solves questions using AI APIs.
- Automatic answer marking and navigation to the next question, with detailed attempt logs.
- OCR-based text extraction for image-based questions.
Markdown EditorFree web + Android app
- Live split preview with scroll sync, outline, folders, tabs, version history, password-locked documents and offline PWA.
- AI writing assistant: built-in free model or your own keys for OpenAI, Claude, Gemini, Grok, Groq, DeepSeek, Qwen, NVIDIA Nemotron and more.
- Diagrams (Mermaid, Graphviz, PlantUML, D2, Vega-Lite, mind maps), KaTeX math, GitHub alerts, footnotes and slides.
- Imports Word, PDF, HTML, CSV and notebooks; exports Word (.docx), PDF, HTML, LaTeX, EPUB, PNG/JPG/SVG and narrated MP3.
- Email-OTP accounts with cloud sync across web and Android; short share links and QR codes.
Diagram StudioFree web tool
- 25+ diagram types: Mermaid, Graphviz, PlantUML, D2, WaveDrom, Vega-Lite charts, GeoJSON maps, mind maps and sheet music.
- Describe a diagram and AI draws it; fix errors with one click.
- Export SVG, PNG, JPG, PDF and Markdown; embed live diagrams on any site; share links.
- Shares your account, library and cloud sync with Markdown Editor.
AutoForwarder ProTelegram bot
- Telegram automation bot that forwards thousands of messages.
- Scheduling, monitoring and Telegram Bot API integration.
- Works around Telegram forwarding and download restrictions.
Agent RelayAI agent skill
- Makes the repo itself the shared state: a task board, per-file locks and an inbox, all plain JSON/Markdown.
- Zero-dependency Python CLI (relay.py) so any agent can claim, hand off, ask for help or broadcast cheaply.
- Scaffolds a root AGENTS.md that Codex, Antigravity, Cursor and Claude Code all read automatically.
- Cuts token cost on handoffs: agents read a short status summary instead of re-deriving context.
QR Code GeneratorFree web tool
- Halftone QR rendering: every module keeps its data in the centre while the photo fills the rest, verified with an in-browser scan check.
- 12 content types including UPI payments, Wi-Fi, vCard and WhatsApp.
- Dynamic, trackable codes backed by the kydv.in URL shortener.
- Vector SVG and print-ready PDF exports; bulk ZIP for menus, tables and badges.
URL ShortenerFree web tool
- Redirects run in Cloudflare Pages middleware with click logging in D1.
- Anonymous links get a private manage key; signing in moves them to your account.
- Every page of kunalyadav.co.in has its own short link under Share.
Context VaultMCP memory server
- Shares memories and full chat transcripts across every Claude account and client through the Model Context Protocol.
- Asks permission before every file, config or network access, with reviewable grants and an audit log.
- Cloud sync on the kunalyadav.co.in account (same sign-in as Markdown Editor), with optional end-to-end encryption.
- Remote MCP endpoint on Cloudflare Pages Functions and D1 gives each user a personal claude.ai connector URL.
- Python client for Windows, macOS and Linux: CLI, desktop window, Claude Code hooks, export/import and a multi-agent split gate.
Invoice StudioFree web tool
- Spreadsheet engine detects the header row, a Label | Value block above it, footer rows and the implied GST rate, with fuzzy header matching.
- Vector PDFs rendered in the browser with jsPDF and an embedded, subset Unicode font (₹), about 50 KB each; preview drawn with pdf.js.
- GSTIN checksum validation, CGST+SGST vs IGST from seller state and place of supply, tax summary per rate.
- Share links on Cloudflare Pages Functions + D1, owned by the site-wide account.
Achievements
- 2nd rank in BCA semester 3
- 5th rank in BCA semesters 4 and 5
- 2nd place, PC Assembling at Yugantar 2K23
- NPTEL certification: Programming in Java
Leadership
Head, Techknow Club
RPS College of Engineering and Technology