Application Developer – Freelance

This role involves leading the redevelopment of a well-established golf points game management platform, transitioning it from a legacy Microsoft .NET and SQL Server web application to a modern, cross-platform mobile app for iOS and Android, alongside a new web-based admin portal. The platform currently serves multiple golf clubs and groups, providing tools for organizing quota-based points games, tracking scores, and facilitating communication among members.

The new solution must retain all existing features while introducing enhancements such as real-time push notifications, in-app messaging, GHIN handicap integration, a live scoreboard, and scalable subscription billing to support future growth.

• Architect and develop a cross-platform mobile application (iOS and Android) for golf game management
• Build a secure, scalable web-based admin portal for club and group administrators
• Integrate real-time push notifications for signups, results, and communications
• Implement in-app messaging and GHIN handicap system integration
• Develop a real-time scoreboard and ensure seamless user experience across devices
• Design and implement scalable subscription billing functionality
• Migrate and maintain existing data and features from the legacy system
• Collaborate with stakeholders to gather requirements and iterate on features
• Ensure robust security, data privacy, and compliance with relevant standards

• Proven experience developing cross-platform mobile applications (React Native, Flutter, or similar frameworks)
• Strong background in web application development and modern backend technologies
• Proficiency with cloud services and scalable infrastructure (e.g., AWS, Azure, Google Cloud)
• Experience integrating third-party APIs (e.g., GHIN or similar sports data providers)
• Solid understanding of real-time data synchronization and push notification services
• Familiarity with subscription billing systems and payment gateway integration
• Ability to migrate legacy data and maintain system reliability during transition
• Excellent problem‑solving skills and attention to detail
• Strong communication skills and ability to work independently
• Experience with sports, gaming, or membership‑based platforms is a plus