3+ years shipping things that actually work at scale. 50k+ users, $2K+/mo revenue, 10+ projects. Zero to one, owned the entire stack.
// Vikash Choudhary — the fixer who ships fast and doesn't break things
10 projects shipped
AI-driven relationship assistant
Built and scaled an AI SaaS to 50,000+ users, architecting backend systems to handle multimodal inputs including voice, images, and video. Optimized for 500+ concurrent users. Integrated Stripe and Razorpay generating $2K+ monthly revenue.
XDC network blockscan observer
Orchestrated microservices for real-time monitoring of XDC-based contracts and token transfers, reducing data lag by 40%. Deployed RabbitMQ and Redis for batch processing, handling up to 5,000 transactions/minute with 99% accuracy.
Serverless Secure Editor
Architected a 100% serverless app that eliminates database costs by storing compressed data directly within the URL hash using native CompressionStream APIs. Custom zero-dependency rich-text editor with 100/100 Lighthouse score.
Third-party gateway on XinFin network
Architected a multi-coin payment gateway on the XinFin network (XDC, USDT, USDC, ETH) processing 300+ daily transactions with near-instant confirmations. Reduced fraud by 25% via secure proxy servers.
AI-based resume and cover letter builder
Led development of an AI resume builder using FastAPI, Azure Document Intelligence, and OpenAI Assistant API. Saves users ~2 hours per draft while maintaining 99.9% uptime on Azure.
Geospatial Route Engine
Developed an interactive route planner using Object-Oriented JavaScript and Leaflet.js to manage complex vector drawing logic and polymorphic data inheritance. Client-side persistence via LocalStorage for offline data re-hydration.
Construction management platform
Developed a robust construction management platform featuring a custom drag-and-drop form builder for audits using React-DND. Real-time dashboards and dynamic role-based pricing reduced compliance reporting errors by 15%.
Browser Extension Wallet
Ported MetaMask wallet functionality to the XDC network, managing default configurations for XDC and the Apothem testnet. Seamless interaction with XDC-based dApps for Web3 developers.
Multi-signature wallet on XDC network
Ported Gnosis Safe to the XDC network by deploying transaction, gateway, and configuration services on self-hosted Ubuntu infrastructure. Automated deployment using Python-based system services.
Interactive culturally distinct gaming platform
Developed 14 culturally distinct interactive themes and a quest system. Implemented global leaderboards and engagement-based weekly usage limits to drive player retention and manage smart contract interactions.
@ Jackpass
RemoteBuilt and scaled Rizzwing, an AI-powered WhatsApp assistant used by 50,000+ users. Owned end-to-end development, payment flows via Stripe/Razorpay generating $2K+ monthly revenue, and optimized architecture for high concurrency.
@ Circle Studio
Surat, GujaratDelivered full-stack solutions for multiple clients across Web2 and Web3. Built blockchain infrastructure including a real-time block scanner with multi-service architecture using RabbitMQ and Redis.
Led a team to build a smart city project featuring magnetic trains and sustainable infrastructure.