I turn your ideas into
production apps — Full-Stack Developer for Startups
I help founders and startups go from idea to shipped product — real-time systems, payment integrations, mobile apps, and everything in between.
Not ready yet? See how I work first →
1
Production Platform Shipped
2
Mobile Apps Deployed
99.9%
System Uptime
10+
Integrated Services
Production Systems, Real Results
Here's what production-grade engineering actually looks like.
Real-Time Voice Infrastructure
Agora-powered live communication with sub-second latency and auto-reconnect systems.
Live Payment Architecture
Per-second billing engine with Razorpay wallet systems and transaction accuracy.
Cross-Platform Mobile Delivery
React applications deployed as native Android apps using Capacitor.js and FCM.
Production Admin Systems
Real-time dashboards, analytics, approvals, reporting, and live configuration management.
AI-Augmented Development
Modern AI-assisted workflows accelerating product delivery without sacrificing quality.
Dil ki Baat
A real-time voice calling platform — built from scratch and shipped to production with real users.
What Was Needed
A founder needed a production-ready voice calling platform with real-time billing, wallet systems, push notifications, and mobile deployment — all built from scratch, with no room for unreliable prototypes.
What I Shipped
I shipped a complete production ecosystem — live voice calling, per-second billing, Razorpay payments, earnings tracking, push notifications, admin controls, KYC verification, and cross-platform mobile apps — in weeks, not months.
Core Features
Real-Time Voice Calling
Per-Second Billing
Wallet & Razorpay Integration
Push Notifications
Reverse Calling System
Earnings & Withdrawals
KYC Approval Workflows
Admin Analytics Dashboard
Live Config Sync
Capacitor Android Deploy
Technology Stack
Problems That Would Have Killed Other Projects
Each of these could have caused delays, data loss, or a failed launch. Here's how they were solved.
Built & Shipped
Specialized systems engineered and deployed as part of a larger production ecosystem.
Admin Analytics Dashboard
Real-time analytics, reporting, KYC approvals, and platform management dashboard with live data visualization.
Real-Time Payment Engine
Wallet systems, Razorpay integration, and transaction infrastructure supporting per-second billing and instant payouts.
Cross-Platform Mobile Deployment
Capacitor.js + FCM-based Android deployment workflow converting React web apps into production-ready mobile applications.
AI-Augmented Development Workflow
Modern AI-powered engineering workflows using cutting-edge development tooling to accelerate product delivery.
Services Built for Founders
Premium engineering for startups and SaaS companies who need production-grade products — shipped fast.
The Engineer Behind the Code
Self-taught. Execution-focused. Production-obsessed.
I build production systems that handle real users, real money, and real-time communication. Not prototypes — actual platforms running in production with live transactions and voice calls happening right now.
I started coding in 2023 — not in a classroom, but by shipping actual products. Within two years, I went from "Hello World" to a complete real-time voice calling platform with per-second billing, wallet systems, and cross-platform mobile apps.
My approach is straightforward: understand the problem deeply, architect a solution that scales, build it with modern tools, and ship it. I take end-to-end ownership — from database schema to deployment pipeline, from payment integration to push notifications.
I use AI-augmented workflows as a force multiplier — not a shortcut. I understand every line of code while delivering production systems in weeks that would traditionally take months.
I'm not the cheapest option. But I'm the one who actually ships — and doesn't disappear after delivery.
Mrinmoy Kayal
Full-Stack Product Engineer
Began the self-taught journey into full-stack development.
Shipped a complete production system with real users.
Built voice calling, payment, and notification infrastructure.
Architecting scalable products end-to-end for startups.
Tech Stack
Modern tools and frameworks for building production-grade systems.
React
Next.js
TypeScript
Tailwind CSS
Framer Motion
HTML5 / CSS3
How I Work
A structured engineering workflow that delivers predictable, high-quality results.
Discovery
I start by understanding your vision, users, and business goals — so I build the right thing from day one.
Architecture
I design the system blueprint — database schema, API contracts, and infrastructure — so everything scales from the start.
Development
I build your product iteratively with modern frameworks and clean code — with regular updates so you always know where things stand.
Testing
Every feature gets tested across all layers — so you can launch with confidence, not crossed fingers.
Deployment
Your product goes live with monitoring, logging, and zero-downtime deployment — ready for real users from day one.
Optimization
After launch, I tune performance, integrate user feedback, and iterate — so your product keeps getting better.
Common Questions
Everything founders and startups want to know before working together.
Have an Idea? Let's Make It Real
Whether you need an MVP, a real-time platform, or a production-grade web app — tell me about your project and I'll get back to you within 24 hours.
Typical response time: Within 24 hours. I review project briefs every Monday morning — submit today and I'll respond before your week starts.