Flutter + Node.js Developer | Full-stack apps with Payment Integration + Admin Panel | India | Starting Rs 8,000

Hey everyone!

I recently completed BattleNix — a full-stack

real-money esports tournament platform for a

client. Sharing my work to find new projects.

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WHAT I BUILT — BattleNix

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A complete BGMI and Free Fire tournament app

where players pay entry fee, join matches,

and win real cash prizes to their UPI account.

FLUTTER APP (Android)

- BGMI and Free Fire separate sections

- Match listing with filters

- Real-money entry fee system

- Live match lobby with Room ID and Password

- Real-time player list and match chat

- Profile with Game UID and UPI ID

- Leaderboard ranked by earnings

- Support ticket system

- Google Sign In + Email login

- Google Play Store ready

PAYMENT INTEGRATION (Razorpay)

- UPI, Card, Netbanking supported

- Entry fee collection per match

- Automatic refund if match cancelled

- Secure payment verification

- Webhook handling for reliability

- Cancel and retry flow handled

🖥️ ADMIN PANEL (Next.js)

- Create and manage tournaments

- Set entry fee, prize, max players

- Publish Room ID and Password to players

- Submit match results

- Manage player profiles and bans

- Support ticket management with replies

- Payout tracking

- Real-time match monitoring

⚙️ BACKEND (Node.js)

- REST API with Express.js

- MongoDB database

- JWT authentication with token rotation

- Real-time updates via Socket.IO

- Secure payment flow with Razorpay

- Role-based access (Admin / Manager / User)

- Rate limiting and fraud detection

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TECH STACK

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Frontend : Flutter (Dart)

Backend : Node.js + Express.js

Database : MongoDB

Payments : Razorpay

Real-time : Socket.IO

Admin : Next.js + Tailwind CSS

Hosting : Render + Vercel

Auth : JWT + Google OAuth

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WHAT I CAN BUILD FOR YOU

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✅ Flutter mobile apps (Android + iOS)

Payment integration (Razorpay / Stripe)

Admin panels for your app

Real-time features (chat, live updates)

Backend APIs (Node.js / Express)

Full-stack projects from scratch

Existing app fixes and improvements

Play Store submission and setup

PRICING

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Simple app (login + listings):

→ Starting Rs 5,000

App + Payment integration:

→ Starting Rs 10,000

App + Payment + Admin panel:

→ Starting Rs 15,000

Full-stack like BattleNix:

→ Starting Rs 25,000

Timeline: 2 to 6 weeks depending on scope

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HOW TO WORK WITH ME

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  1. DM me with your project idea
  2. I will share my full portfolio
  3. We discuss scope and timeline
  4. Fixed price agreed upfront
  5. Delivery with source code

Portfolio available on request.

Based in Jaipur, India.

Available for remote work worldwide.

DM me if interested or have questions!

Posted Jun 3, 2026, 11:43 AM UTC

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