Development of Sports-Themed, Fast-Paced Mobile Game (iOS & Android)

Job ID: 39567602

Budget: $30 – $250 USD

Project Overview:
We are seeking an experienced mobile app developer (or development team) to build a fully functional, production-ready cross-platform mobile game. The app will be a fast-paced, solo-play, sports-themed trivia/quiz game with timed challenges, global leaderboards, in-app purchases, and content pack management.

Applicants must demonstrate experience with game development, mobile monetization, and scalable backend systems.

Key Features Required:
✅ Cross-platform development for iOS and Android
✅ Core gameplay loop with rapid-fire timed trivia challenges
✅ User profile system (nickname, scores, progress)
✅ Global & friend-based leaderboards
✅ In-app purchases for unlocking new content packs
✅ Rewarded ad integration (optional bonuses for users)
✅ Modular content system (text/image/audio clues — future-ready)
✅ Backend system for real-time leaderboards, user data, and new content delivery
✅ Clean, intuitive UI/UX focused on mobile usability
✅ Push notifications for daily challenges, updates, etc.
✅ Secure handling of payments and user data

Preferred Tech Stack:

Frontend: Unity (preferred) or Flutter
Backend: Node.js, Express, Firebase, or equivalent scalable solution
Database: Firebase Firestore or similar NoSQL
Storage: Firebase Storage, AWS S3, or similar for media assets
Payments: Apple In-App Purchases, Google Play Billing

Ads: Google AdMob or Unity Ads

Authentication: Firebase Auth or equivalent

Ideal Developer/Team Skills:
Proven experience building and launching mobile games or quiz apps
Familiarity with sports-themed or fast-paced applications (preferred)
Strong knowledge of cross-platform development best practices
Ability to integrate leaderboards, achievements, and real-time features
UI/UX design capabilities or ability to work with provided wireframes
Experience with in-app purchases and ad monetization
Clear communication, timely updates, and agile development process
Willingness to sign an NDA prior to receiving full project brief

Deliverables:
Fully functional iOS & Android mobile app (MVP ready for App Store & Play Store submission)
Admin-accessible backend for managing content packs
Monetization integrations (ads + purchases)
Clean, responsive UI/UX for all devices
Documentation for ongoing maintenance and feature expansion

MUST BE ABLE TO SHOW US PREVIOUS SIMILAR APPS DEVELOPED.