Mobile Game Currency System

@abbbasazzam516

Hey! I already developed this several times. I can just give you my already developed system and integrate it into your game. Please contact me so we discuss further details. Thanks!

@tbrandt78

Hello With over a decade immersed in the app and gaming industry, I thrive in building immersive and high-performance apps and games that leave players engaged. Your description of the project perfectly aligns with my skillset. Notably, my proficiency in Unity3D, C#, and Mobile Game Development has enabled me to create fully-functional systems just as you require: earning, purchasing, and spending in-game currency seamlessly through syncing on multiple devices. In terms of backend solutions, Firebase and Node.js have been my go-tos for robustness. As you've already established user authentication, I assure you that your existing user IDs shall easily integrate with our system. Security against cheating is an absolute priority in game development; my deep understanding of Multiplayer Networking & Game Architecture enables me to implement thorough measures to secure user data. Best Regards, Timothy B.

@AbadiGames

Hi, I've implemented currency backends with both Firebase and Playfab. What are you using for your authentication? If you plan on using the backend for more than just currency in the future I'd recommend using Playfab. I can get this setup quicker with Firebase though. Please reach out if you have any questions, I should have this finished within a day if you award me the project!

@DigitalNightOwl8

Hey Mate Ririn W., Good afternoon! Already have something live to show you I am an expert mobile software engineer with skills including REST API, Android, GraphQL, Unity 3D, Unity, iPhone, Backend Development and Mobile App Development. Please send a message to discuss more about this project. Looking forward to serve you

@krishbusiness005

As an entrepreneur with a deep-rooted passion for game development, I understand how crucial a seamless in-game currency system is for player engagement and monetization. Having worked extensively with Android and mobile app development, I am well-equipped to provide you the lightweight backend solution you’re looking for - employing reliable technologies like Firebase or PlayFab that can ensure real-time syncing and prevent any balance inconsistencies. My comprehensive knowledge of REST APIs and Unity coupled with the ability to skillfully craft functions like "addCoins", "spendCoins", "getBalance" will ensure a smooth in-game experience for your players. Additionally, I have previously designed fully functional admin panels which will enable you to have complete control over the game's economy - granting promotional coins, reviewing logs, and adjusting balances as needed. Security against cheating is a top priority in the gaming industry and I will bring my years of experience with API Integrations and Web Scraping into play to deploy robust security measures. Furthermore, deploying your service onto TestFlight/ Google Play without any hassle is ensured through my seamless app store deployment skills. Don't hesitate to reach out and let's start revolutionizing your game with this fully-functional, secure, in-game currency system today!

@ModernTechno442

Hello Greetings Of The Day We are Great fit because we are working in IT industry since 8 Years we have Experienced and quality developers in our Team and We are serving and making our clients happy and satisfied since last 8+ years with our outstanding performance in the fields of Website Development, Mobile App Development (Android, iOS, Desktop), CRM/ERP Development, AI ML, UX/UI Design, Games, Digital Marketing and Blockchain. Working Tech is PHP, Node, JS , Flutter , HTML, React, python, Unity and Many more. We also work over the similar projects posted by you so please open the communication by responding, so that we can provide you all demo details. I hope we get a positive reply from your side and we are eagerly waiting to work with you.

@Joejoe777

Hi there, After studying your assignment, I've prepared the following options. I look forward to your feedback. Option A: Create a lightweight backend using Firebase for efficient coin balance storage and real-time syncing. Implement REST endpoints for seamless coin operations in Unity, including addCoins, spendCoins, and getBalance functions. Option B: Develop a robust coin system using PlayFab with secure atomic operations to prevent duplication and loss. Integrate GraphQL endpoints for enhanced data retrieval and manipulation within your Unity project. Let's discuss in detail through chat.

@dushyant317

I bring 13 years of professional experience delivering high-quality results. I have strong expertise in all the required skills listed for this project. My approach ensures accuracy, clear communication, and timely delivery. I am confident I can exceed your expectations with efficient, reliable work. Looking forward to contributing to your project—ready to begin immediately.

@miljanan1

Hello, I’d love to help you build a secure and real-time in-game currency system for your mobile game. I can set up a lightweight backend (Firebase, PlayFab, or your preferred solution) that tracks each player’s coin balance, supports atomic add/spend operations, and prevents duplication or loss. I’ll create clean REST or GraphQL endpoints with Unity-friendly hooks for addCoins, spendCoins, and getBalance, so your existing user IDs plug in seamlessly. Optionally, we can add an admin panel to grant promo coins, review logs, and adjust balances. Security and anti-cheat measures will be built in, ensuring players can’t manipulate their balances. You’ll receive full setup instructions, clear documentation, and a demo or Git repository so you can deploy and connect to TestFlight/Google Play without hassle. If you’d like, I can also advise on the most scalable approach to support thousands of concurrent users and future expansions like premium currency or timed rewards. Looking forward to making your in-game economy smooth, reliable, and fun for players! Best regards, Milijana.

@Ekakshnex2025

Hello, This in-game currency system is right in our wheelhouse and honestly sounds like a fun problem to solve. At Ekakshnex Pvt Ltd, we bring 10+ years of experience building secure, cheat-resistant backends for mobile games using stacks like Firebase and PlayFab with real-time sync and atomic transactions. We’ll keep the APIs clean and Unity-friendly while ensuring balances stay consistent across devices. Let’s connect via chat and get your coins flowing smoothly without headaches. Best regards, Ekakshnex Pvt Ltd.

@alexb156

Hello Ririn W., We went through your project description and it seems like our team is a great fit for this job.

@zeljkoi6

Hi, I’m excited about your project to develop a mobile game currency system! I have recently implemented a similar backend solution using Firebase, ensuring real-time balance syncing and secure operations to prevent any cheating. My experience includes developing REST endpoints for Unity projects, making it easy to add, spend, and retrieve coins seamlessly. I will provide clear setup instructions for deployment, so you can integrate with your existing authentication smoothly. Best regards,

@davidmichael2025

Hello, As an experienced Game Developer skilled in Unity and Unity 3D, I am confident in my ability to design and implement the robust mobile in-game currency system you're seeking. My previous work includes creating secure and efficient game transactions for both PC and Mobile platforms, incorporating API integrations similar to those required for your project. In addition, my expertise in Automation Bots extends naturally to this endeavor as I have built various systems involving transactional data processing and security measures to counteract cheating. This ensures that the coins being earned, purchased, and spent within your app will be managed with absolute accuracy and airtight security. I understand the importance of delivering not just a functional system, but also one that is well-documented and easy for you to integrate into your existing project. With me, you're gaining a partner committed to clear communication, clean code, reliable delivery, and long-term support. Let's get started on making your game's economy flourish! Thanks!

@juliangraaff

I am a perfect fit for your project, fully understanding your need for a clean, professional, and user-friendly in-game currency system that integrates seamlessly with your existing user authentication. Your emphasis on a lightweight backend with atomic operations and real-time balance syncing is clear. I specialize in building automated Firebase and PlayFab solutions with secure REST endpoints tailored for Unity integration, ensuring seamless add, spend, and query functions. While I am new to freelancer, I have tons of experience and have done other projects off site, focusing on secure, cheat-resistant mobile game economies. I would love to chat more about your project! Regards, Julian Graaff

@Aurallian

Hello ririnw, I understand your need for a robust in-game currency system for your mobile game, ensuring seamless coin earning, purchasing, and spending experiences for players. With my experience in developing similar backend solutions using Firebase, I propose a secure system that includes REST or GraphQL endpoints for Unity integration. Additionally, I can create an admin panel for easy management and provide clear deployment instructions. Let's discuss further how we can make your in-game economy flourish. Best regards, Aurallian

@jaroslavcaprata

Hi — I recently built an in-game currency system for a casual mobile title where players earned coins from gameplay, bought packs, and spent currency across multiple devices without desync. The setup was very similar to what you’re describing. The hardest part was preventing duplicate rewards and race conditions when players triggered rewards quickly or logged in on two devices. I solved that by using atomic balance updates on the backend, strict server-side validation, and write-once transaction logs so every coin change was traceable. For that project, I used a lightweight backend with secure endpoints like addCoins, spendCoins, and getBalance, all tied directly to existing user IDs from the game. Unity integration was straightforward through simple REST calls, and balances synced instantly. I also added an admin view to grant promo coins and review suspicious activity without touching production data manually. For your game, I’d recommend Firebase or PlayFab depending on scale, with server-authoritative balance logic, atomic operations, and anti-cheat safeguards like request signing and idempotent transactions. I’ll provide clean setup steps so you can deploy it in your own account and connect it to App Store and Google Play builds smoothly. Quick question: will coins be earned only through gameplay, or also rewarded via ads or IAP? And do you expect offline play that syncs later?

@Aaleen110

Developing a robust, secure currency system is critical for player retention and monetization. I specialize in designing scalable F2P economies, having recently implemented high-integrity transaction systems for a 50k+ user mobile RPG title. I will architect your system from the ground up to prevent duplication exploits and ensure a seamless player experience. My approach focuses on security and scalability: I will implement server-authoritative balance checks and atomic transaction logging (e.g., using PostgreSQL or MongoDB) for guaranteed data integrity and rollback capability. We will design a secure dual-currency architecture (Soft/Hard) with distinct acquisition/spending mechanics. I use cryptographic signing for all client-server communication regarding currency exchange to minimize injection risks, delivering secure APIs for inventory updates, purchase validation, and daily grants. To confirm alignment: What backend technology (e.g., Node.js, AWS Lambda) is currently driving your game server architecture? Also, will this system require integration with specific third-party IAP providers (Google Play/Apple)? I am available immediately to discuss the security protocol and scope for a quick, efficient project start.

@arjunp479

Hello, I can design and implement a secure, real-time in-game currency system tailored for your mobile game. I have prior experience integrating coin/economy systems for Unity games using Firebase and PlayFab, with strong safeguards against duplication, race conditions, and client-side cheating. My approach: Use a lightweight backend (Firebase or PlayFab, as preferred) with server-authoritative coin balance management Implement atomic operations for addCoins, spendCoins, and getBalance Integrate clean Unity client hooks that sync balances across devices in real time Optional admin panel to grant coins, review logs, and adjust balances safely Full documentation so you can deploy and manage everything in your own account Security is handled through server-side validation, authenticated user IDs, and restricted write access to prevent tampering. I can also share examples of similar systems I’ve built for mobile games. Happy to review your existing auth setup and get this running smoothly. Best regards, Arjun

@garronwallace

I’m confident I’m the right person for this project. You need a modern, smooth, and responsive in-game currency system with real-time balance syncing and atomic operations to prevent duplication or loss — all crucial for seamless player experience. I bring strong backend development skills specializing in Firebase and PlayFab integrations, RESTful API design, and Unity hooks. I’m new to Freelancer, but I have strong real-world experience and have completed many successful projects outside the platform. Let’s talk through your goals — I’d love to help bring this to life. Regards, Garron Levi Wallace