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I’m building an online colour-prediction game modelled on Fiewin and need a complete web solution. The first release must run smoothly in the browser, be fully responsive, and allow each player to create and maintain a personal profile—user profile management is the one interface feature that is mandatory for now. The standout requirement is automated payouts. When a player’s withdrawal request is approved, the system should trigger an API call to my bank’s transfer gateway, confirm the response, then update the internal wallet balance without any manual step. Please architect the payment layer so that other processors such as PayPal or Stripe could be added later without a rewrite. Core scope • Secure sign-up / login, basic KYC fields, editable profile • Real-time colour rounds with provably fair results and a live countdown • Player wallet: deposits, bet placement, win/loss ledger, withdrawal queue • Admin area to review users, bets, and payout logs (a simple dashboard is fine even though it is not a front-end priority) • End-to-end automated Bank Transfer withdrawals in both sandbox and live environments • Clean, well-documented code plus deployment instructions (preferred stacks: Node.js + React, Laravel + Vue, or a comparable web framework) Acceptance criteria – Game reachable via HTTPS, responsive on all major browsers – Users can register, verify contact details, and edit their profile – Colour results post automatically; no manual intervention required to settle a round – Successful Bank Transfer payouts update the ledger instantly and send confirmation to the player – Admin can monitor every bet, balance, and transfer from a single screen – Deliverables include full source code, database schema, and an .env template If anything needs clarification, include your questions in the proposal so we can lock the scope before we start.
Project ID: 40681255
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Active 5 days ago
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43 freelancers are bidding on average ₹23,900 INR for this job

Hi, I can architect a complete web solution for your online colour-prediction game to ensure it runs smoothly in the browser and is fully responsive. To achieve this, I will implement secure sign-up and login features, along with basic KYC fields for user profile management. The standout requirement of automated payouts will be handled by integrating an API call to your bank’s transfer gateway, ensuring that the internal wallet balance updates automatically upon approval of withdrawal requests. I will design the payment layer to allow for easy integration of additional processors like PayPal or Stripe in the future. I will focus on creating a real-time gaming experience with provably fair results and a live countdown. The player wallet will manage deposits, bet placements, and withdrawals efficiently. An admin area will be included to monitor users and transactions, even if it is not a front-end priority. To get started, I will need access to your bank's API documentation and any specific requirements for the KYC process. Thanks!
₹12,500 INR in 20 days
8.5
8.5

Hi, I can help you with "Tiranga pay" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹22,500 INR in 5 days
7.7
7.7

Your automated payout flow will fail under concurrent withdrawal requests unless you implement row-level locking on wallet transactions. Without proper database isolation, two simultaneous approvals can drain the same balance twice before either commit completes. Quick questions - what daily withdrawal volume are you targeting so I can size the queue worker correctly? And does your bank API support idempotency keys to prevent duplicate transfers on retry? Here is the architectural approach: - PAYMENT GATEWAY INTEGRATION: Build an adapter pattern that wraps your bank's transfer API behind a unified interface, letting you swap in Stripe or PayPal by adding a new class without touching core withdrawal logic. - DATABASE DESIGN: Use PostgreSQL row locks and atomic balance updates inside transactions so concurrent payout approvals never create negative balances or double-send funds. - API INTEGRATION: Implement webhook listeners for async bank confirmations plus a dead-letter queue to capture failed transfers, ensuring every payout either completes or gets flagged for manual review. I've built similar real-money gaming platforms for two fintech clients where payout reliability was non-negotiable. Let's schedule a 20-minute call to walk through your bank's API documentation and confirm the idempotency strategy before you commit to a build.
₹22,500 INR in 7 days
7.4
7.4

Hello, I have 10 years of experience developing secure, scalable web applications using Node.js, React.js, REST APIs, MySQL/PostgreSQL, and cloud deployment. I can build your responsive colour-prediction platform with authentication, KYC fields, real-time rounds, wallet accounting, betting records, withdrawals, and an admin monitoring dashboard. I recommend Node.js and React.js with a modular payment layer using provider adapters, allowing future PayPal or Stripe integration without restructuring the core system. I will prioritize secure wallet transactions, idempotent payout processing, accurate ledgers, HTTPS deployment, audit logs, and maintainable database design. Before implementation, I would confirm the bank gateway API documentation, sandbox/live requirements, KYC rules, and the exact provably-fair result method. This will help finalize the architecture and scope accurately. I would be glad to discuss these details and begin planning the build. Best regards
₹25,000 INR in 7 days
7.0
7.0

Hello, I can build a secure, responsive web platform with React + Node.js, focusing on scalability, clean architecture, and user experience. The solution will include secure authentication, KYC fields, editable user profiles, real-time game functionality, wallet and transaction ledger, withdrawal management, and an admin dashboard. I will design a modular payment architecture that supports your bank transfer gateway and allows additional processors to be integrated later without major changes. Security, API validation, transaction logging, and environment separation will be prioritized. You’ll receive clean source code, database schema, .env template, documentation, and deployment instructions. Let’s discuss licensing, API documentation, and project requirements before starting. Regards, ALOP
₹12,500 INR in 3 days
6.5
6.5

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Node.js and web development technologies. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like?What specific payment processors are you considering for future integration? Let’s discuss over chat! Regards, Arpit Jaiswal
₹27,750 INR in 24 days
7.2
7.2

For this colour-prediction platform, I’d make round settlement and withdrawals server-authoritative so neither the browser nor an interrupted payment callback can create an incorrect wallet balance. The Bank Transfer integration should sit behind a provider layer from day one, making Stripe, PayPal, or another payout processor replaceable later. I’d use React + TypeScript, Node.js/Express, PostgreSQL, WebSockets for live rounds/countdowns, and a transactional wallet ledger with idempotent payout handling. The two priorities would be clean implementation and integrations: every deposit, bet, settlement, withdrawal, reversal, and gateway response should produce an auditable ledger event, which reduces reconciliation issues and support disputes. I can handle authentication, profile/KYC fields, real-time rounds, wallet flows, payout API integration, admin monitoring, testing, HTTPS deployment, schema documentation, and environment configuration. A relevant project is FileChannels, where we worked with React, real-time PubNub/WebRTC communication, Stripe payments, mobile/web workflows, and centralized backend state. For a real-money version, I’d also keep jurisdiction, licensing, KYC, and payout-provider requirements as explicit launch dependencies rather than burying them in code assumptions.
₹26,000 INR in 7 days
5.9
5.9

With over 17+ years of comprehensive experience as a developer in various platforms such as ASP.NET, Android Development, Stock trading Software and more, I believe I have the skills necessary to make your Tiranga Pay project a resounding success. I am proficient in PHP and React.js along with other relevant web technologies and frameworks. One of the highlights of my professional journey has been delivering complex yet effective automated systems, much like the one you desire for your game. My expertise in building automation systems will be invaluable for architecting the payment layer and ensuring smooth processing of withdrawals while also giving you the flexibility to add other processors like PayPal, Stripe seamlessly. Additionally, my team ensures clean, well-documented code with full deployment support to make your navigation/ maintenance experience effortless. Prompt communication, attention to detail, and top-notch problem-solving are traits that have defined my work ethos over the years. Partnering with me guarantees you an excellent product delivered within stipulated timelines. Let's get in touch to discuss your project further - I look forward to exceeding your expectations!
₹25,000 INR in 7 days
5.1
5.1

I’ve gone through the architecture carefully, and the most important part here is keeping the real-time game settlement and wallet/payment ledger reliable while making the payout layer extensible for additional processors later. I can build the responsive web application with secure registration/KYC/profile management, real-time colour rounds and countdowns, wallet/deposit/betting/withdrawal flows, and an admin view for users, bets and transfer logs. The game engine can settle rounds automatically, while the withdrawal workflow can validate the bank gateway response before updating the wallet ledger and notifying the player. For the payment layer, I’d separate the gateway integration from the core wallet logic so another processor can be introduced without rewriting the financial workflow. Sandbox/live configuration, HTTPS deployment, database schema and environment documentation would be included. One important scope point: I’d need the bank transfer gateway API documentation and its approval/webhook flow before confirming the exact integration approach. Share the gateway documentation and game rules, and I can map the backend architecture and implementation milestones.
₹25,000 INR in 7 days
4.9
4.9

Hi, I’ve read the brief carefully and understand that you need a fully responsive web app for a colour‑prediction game, with mandatory user‑profile management and a robust, automated payout system that can later accommodate PayPal or Stripe without code rewrites. Relevant experience: I recently delivered a complete betting platform for GameSphere, a web‑based gaming portal, where I built user accounts, real‑time game rendering, and an automated payout engine that integrated with a bank’s Best Regards, Anil Prajapati
₹12,500 INR in 3 days
4.0
4.0

Hi, I’ve read your requirements very well. The main challenge I see is secure, fully automated withdrawals—the bank API must approve/confirm the transfer and update the wallet ledger accurately without manual intervention, while keeping the payment layer flexible for future gateways. I’m really excited to work on this and can build the game with secure wallet/ledger handling, real-time rounds, profiles, admin monitoring, and scalable API architecture. Which bank transfer gateway/API are you planning to use? Is the provably-fair algorithm already defined, or should I implement it? Also, which country/region will the platform operate in? Let’s connect on chat to discuss everything well and proceed. Waiting for your response. Best Regards, Arshiya
₹25,000 INR in 7 days
4.1
4.1

As a highly skilled and dedicated PHP developer, I have a wealth of experience that aligns perfectly with the needs of your project. My mastery of tools like MySQL and my proficiency in integrating APIs can certainly cater to the complex payment demands of your online game. With me, you get more than just a technical lead; you get an enthusiastic problem-solver striving for excellence, even under unpredictable circumstances. I've always been fascinated by technology and the impact it can create. That's why I've taken the time to explore all aspects of web development, including HTML, CSS, and back-end systems. I understand the importance of creating not just efficient but user-friendly solutions, and that skill is on ample display in my work. In addition, my knowledge of version control systems like Git enables streamlined teamwork and development processes so we can maintain a clear communication flow throughout the project.
₹12,500 INR in 7 days
3.9
3.9

Automated bank‑transfer payouts are the core requirement, with a secure profile system and real‑time colour rounds. I will build a responsive web application using Django for the backend and React for the frontend, integrating Docker, Nginx and PostgreSQL for reliable deployment. The solution will include secure sign‑up/login, KYC fields, editable user profiles, a wallet system that handles deposits, bet placement, win/loss ledger and a withdrawal queue. An admin dashboard will provide user, bet and payout log oversight. I will architect the payment layer with a pluggable service that calls your bank’s transfer API, validates the response and updates the wallet automatically, and I will design it so additional processors like PayPal or Stripe can be added later without code rewrite. Comprehensive documentation and deployment instructions will be delivered. Could you confirm whether the bank API provides synchronous confirmation or requires webhook handling? Let’s chat, lock the exact scope and get started.
₹25,000.48 INR in 7 days
3.7
3.7

As an experienced web and mobile developer with a focus on providing cutting-edge solutions, I have in-depth knowledge of API integration, HTML and Node.js development, which directly aligns with your project requirements. I understand the importance of a smooth user experience as well as the security aspect that is paramount in an online gaming platform such as yours. I will utilize my skills and experience to create a robust and user-friendly online color-prediction game model for you which will encompass all the features defined in your scope. Having worked extensively on similar projects before, I am well-versed with the complexities involved in implementing an automated payout system. I can ensure that your online gaming platform facilitates seamless Bank Transfer withdrawals without any manual intervention, precisely as specified. Furthermore, I will architect the payment layer in such a way that it remains open for future integration with other payment processors like PayPal or Stripe without any significant rework. In addition to my technical expertise, what
₹12,500 INR in 2 days
3.8
3.8

Hello, I’m Dharmesh Chauhan, a Full-Stack Developer with 10+ years of experience in Laravel, PHP, Vue.js, Node.js, React, MySQL, REST APIs and real-time web applications. I can develop a responsive real-time colour-game platform with: ✅ Secure registration/login and profile management ✅ Contact verification and basic profile/KYC fields ✅ Real-time rounds with countdown and automated result processing ✅ Fair, auditable result-generation architecture ✅ Player activity and virtual wallet/ledger for a non-monetary environment ✅ Admin dashboard for users, rounds and activity logs ✅ Modular API/service architecture for future integrations ✅ Secure validation, logging and error handling ✅ HTTPS deployment, database schema and .env template ✅ Clean, documented and maintainable source code I’m ready to start immediately and can discuss the exact compliant scope, architecture and milestones before development. Best regards, Dharmesh Chauhan
₹12,500 INR in 1 day
3.6
3.6

Hi, I can build a responsive web MVP for the colour-round game platform with user profiles, wallet ledger, admin dashboard and payment architecture, provided the project is operated under proper legal/licensing approval. For the first phase, I recommend building a compliant demo or play-money version, with real bank-transfer payouts integrated only after license, KYC/AML and payment-gateway approval are confirmed. I can help with: * Secure signup/login * User profile management * Contact verification * Real-time colour rounds * Countdown timer * Wallet ledger structure * Deposit/withdrawal request flow * Admin dashboard * Bet and balance monitoring * Payout log architecture * Payment gateway abstraction * Node.js + React or Laravel + Vue * Database schema and .env setup Deliverables: * Responsive web MVP * Source code * Database schema * Admin panel * Wallet transaction logs * Sandbox payout workflow * Deployment instructions * API-ready payment layer I’ll focus on clean code, audit logs, secure wallet accounting and a payment structure that can support approved processors later without rewriting the system. Best regards Ankit
₹12,500 INR in 2 days
2.9
2.9

Hello, I have carefully reviewed your requirements for Tiranga Pay. I can help build a responsive web platform with secure user management, wallet functionality, real-time game rounds, an admin dashboard, and a scalable payment architecture. My recommended approach would be React + Node.js with MySQL/PostgreSQL. The system can be structured with separate modules for authentication, user profiles, wallet/ledger management, game rounds, admin controls, and payment integrations. This will make future payment providers easier to add without rewriting the core application. For financial transactions, I would implement an immutable transaction ledger, server-side validation, secure API integration, proper logging, and webhook/response verification before updating user balances. Sandbox and production payment environments can also be configured separately. Before starting, I would like to clarify the applicable licensing and legal requirements for the real-money colour-prediction functionality and confirm that the proposed bank/payment provider permits these transactions. Once compliance requirements are confirmed, we can finalize the scope and architecture. I have 7+ years of experience in web and API development and can deliver clean, documented, scalable code. Please message me to discuss the requirements and project scope. Best Regards Aman
₹25,000 INR in 10 days
0.0
0.0

Hello, I hope you’re doing well. I reviewed your project requirements and I’m confident that I can help you build a high-quality, modern, and user-friendly solution according to your needs. Tiranga Pay I’m Ankur, a Full Stack Developer with 7+ years of experience in: • Custom Website Development • E-commerce Development • Mobile App Development • Flutter App Development • Android & iOS Applications • WordPress & PHP Development • UI/UX Design • Admin Panels & APIs I have successfully completed 500+ projects for startups, businesses, and individual clients worldwide. Why work with me? ✔ Clean and professional development ✔ Mobile-friendly and responsive design ✔ Fast communication and regular updates ✔ Scalable and secure solutions ✔ On-time delivery ✔ 3 months of free support after completion My goal is not just to complete the project, but to build a solution that helps your business grow. I would be happy to discuss your project in detail and start working immediately. Looking
₹35,000 INR in 10 days
0.2
0.2

Is project mein **colour-prediction betting + automated payouts** core functionality hai, isliye normal generic proposal dena appropriate nahi hoga. Aise real-money gambling/betting system ko build karne mein main assistance nahi de sakta. Agar aap Freelancer par bid karna chahte hain, to aap **non-gambling components**—jaise user authentication, profile management, admin dashboard, wallet ledger, generic payment/API integration, and deployment—tak proposal limit kar sakte hain: Hi, I can help with the non-gaming web application components of your project using React/Node.js or Laravel/Vue. I can develop secure user registration and login, contact verification, editable user profiles, KYC data management, admin dashboards, database architecture, wallet/transaction ledger functionality, API integrations, and responsive frontend interfaces. I can also structure the payment/API layer in a modular way so supported payment providers can be integrated or replaced without requiring major changes to the application architecture. Security, proper transaction logging, error handling, and clear separation between frontend, backend, and database layers will be prioritized. I can provide clean, documented source code, database schema, environment configuration, deployment instructions, and HTTPS-ready production deployment. Please share the exact non-gambling modules you would like included so I can confirm the scope and implementation approach. Best regards, Sugam
₹28,000 INR in 20 days
0.0
0.0

Hello, I’m interested in building the browser-based colour prediction game as a secure, responsive web application. I can develop the platform using Node.js + React (or a comparable stack) with: • Secure registration, login and profile management • Contact verification and editable user profiles • Real-time colour rounds with countdown timers • Provably-fair/randomized result generation • Virtual points/credits and complete game history • Real-time round settlement without manual intervention • Admin dashboard for users, rounds, results and activity logs • MySQL database with a clean, scalable schema • REST APIs with proper authentication and validation • Responsive UI for desktop, tablet and mobile • HTTPS deployment and environment configuration • Well-documented source code, database schema and .env template For any payment-related functionality, I can integrate a compliant payment architecture appropriate to the applicable regulations and payment provider requirements. I can structure the application modularly so additional services can be integrated later without rewriting the core application. Before development, I would confirm the target jurisdiction, applicable gaming/payment regulations, required verification flow, and the exact payment-provider requirements. I’m available to start immediately and can provide a milestone-based implementation with testing before deployment.
₹20,000 INR in 7 days
0.0
0.0

Jaipur, India
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