Hey there! I'm Aryan Kumar 👋Full Stack Developer
I build educational platforms that've impacted 100K+ students at Chai Aur Code. 🎓
When I'm not doing that, I freelance—crafting SaaS magic with Next.js, React & Supabase, plus mobile apps that actually work on both iOS & Android.
Work Experience
Building scalable solutions and leading technical initiatives.

B2B Builder & Software Developer
Open Builder (YC Backed) • Remote

Full Stack & Mobile Developer
Chai Aur Code • Jaipur, India
- Built the MasterJi web platform with admin panels and user-facing pages using Next.js, React & PostgreSQL
- Developed and deployed the MasterJi mobile app (15K+ downloads), managed version releases, and handled review processes for both App Store & Play Store
- Designed complete UI: challenges, profiles, and custom multi-language code editor with syntax highlighting
- Deployed push notifications at scale (Duolingo-style engagement)
- Secured edge functions and implemented RLS to protect user data
- Built production-ready apps for Udemy & YouTube courses—real projects students code along with and learn from
- Quick to master new technologies and translate them into student-friendly content
Freelance Full Stack & Web3 Developer
Remote • Global
Projects & Web3 Builds
A collection of full-stack applications, AI integrations, DeFi protocols, and Web3 solutions - with $40,000 in hackathon winnings across 8 competitions.
Source0: The All-in-One AI Chat Interface

T3 Cloneathon by Theo
A comprehensive, open-source AI chat platform designed for power users and developers. Source0 provides a unified interface to interact with a multitude of cutting-edge AI models, seamlessly integrating features like file attachments with RAG, real-time web search, persistent memory, voice-to-text input, and dynamic image generation.
X Payout Simulator

💰 Realistic Tweet Earnings Generator - Generate ultra-realistic X (formerly Twitter) payout screenshots in seconds! Perfect for social media flexing, pranking friends, or showing off your "earnings success." Create custom payouts that look completely authentic with fully customizable profile details, payout amounts, themes, and screenshot styles. 100% simulated, 100% convincing! Built in a day for entertainment purposes only.
deChat: AI-Powered DeFi Interface for Sonic

Sonic DeFAI Hackathon 2025
A ChatGPT-style interface built specifically for the Sonic blockchain that enables users to interact with complex blockchain protocols through natural language. Features include token swaps, balance checks, staking, transfers, and cross-chain bridging via deBridge. Winner among 282 submissions in the Sonic DeFAI Hackathon 2025. Sonic awarded $5,000 USD for the winning solution, with an additional $2,500 USD from deBridge for seamless integration of their cross-chain protocol. *Note: Currently not operational - server temporarily taken down.*
Announcements:
BrainPower 🧠⚡

Solana AI Hackathon 2024
An AI-powered blockchain agent that interacts with the Solana blockchain using natural language. Features include wallet operations, NFT management, token operations, DeFi trading, and liquidity pool interactions. Built with OpenAI's Assistant API and enhanced RPC capabilities via Helius. Participated in the Solana AI Hackathon 2024.
Dynamic LP Assurance Hook

Atrium Academy Cohort 3 Winner
A Uniswap Hook DeFi solution that provides dynamic insurance for liquidity providers using Arbitrum Stylus. Features adaptive protection based on market conditions and generates additional yield through flash loans, transforming how LPs manage risk. Built during Atrium Academy's intensive 8-week cohort program, which required writing smart contracts in Rust for Stylus - a new paradigm enabling WebAssembly-based contracts on Arbitrum.
Partners:
Blockchain Developer & Security Researcher
Announcements:
Superfluid Swapper

PancakeSwap Hookathon 2024 Winner - 3rd Place
An advanced hook mechanism that enhances the decentralized trading ecosystem by introducing dynamic fee adjustments in liquidity pools. Leverages zero-knowledge proofs for greater transparency and efficiency to optimize liquidity provider returns and reduce impermanent loss on PancakeSwap.
Announcements:
Solana DSCVR One Voting Platform

DSCVR Solana Track 2024 Winner - 4th Place
Streamlined on-chain gaming interactions with a web app built on Solana. Enhanced transaction throughput with the Anchor framework to deliver a responsive and engaging experience.
Announcements:
Subis

Chainlink Blockmagic 2024 Winner
A decentralized subscription platform leveraging zksync's Native Account Abstraction for seamless, gasless user payments. It features automated monthly billing and real-time USD-based subscription pricing powered by Chainlink Price Feeds, offering a smooth, blockchain-enabled subscription experience.
Announcements:
Glitch Messenger

Appwrite Hackathon 2023 Grand Winner
A comprehensive messenger platform with an inbuilt task manager for hackathon teams. Utilized Appwrite's backend-as-a-service for real-time group chat and direct messaging functionalities. This was my second hackathon ever, and the judges called me their 'clear favorite' in the winner announcement 🙌 - this is where I truly fell in love with development and being appreciated for the solutions I build.
Announcements:
Blockwave

Spheron Hackathon 2023
A web3-based social media platform utilizing ERC-721 for profile picture NFTs and ERC-1155 for ticket booking, allowing multiple tickets under a single NFT.
Git-Back

A tool for backing up private and public GitHub repositories using ECS and GitHub OAuth. Ensures secure and efficient backup of repositories to GitHub.
About
I architect and build high-performance applications, with a detailed focus on UI/UX that consistently impresses my clients.
At Chai Aur Code, I develop comprehensive student management systems and full-stack applications for Hitesh Choudhary's teaching initiatives. I architect platforms like MasterJi and Coding Hero—complete CMS solutions with testing, peer reviews, and progress tracking for over 100,000 students.
As a freelancer, I architect full-stack Web2 and Web3 solutions. My expertise includes mobile apps (React Native & Expo), AI wrappers, smart contract development, and scalable SaaS platforms. My mobile apps get battle-tested on a small army of iPhones and Androids for a flawless experience.