You'll join Grip Technologies Pvt. Ltd., a Daxko subsidiary, working on FitnessForce, the club management platform used by gyms and fitness businesses around the world.
About the role
FitnessForce's mobile ecosystem includes two apps: a whitelabeled member app for bookings, subscriptions, and workout tracking, and a business app that runs daily club operations for staff. As a senior Flutter developer, you'll own both, building secure, high-conversion mobile experiences that sync in real time with our .
NET Core backend. You'll use AI coding tools like Cursor to move faster, while keeping the codebase clean, performant, and maintainable across iOS and Android.
What you'll do
• Architect and maintain a single codebase that powers dozens of regional whitelabel clients, managing build-time flavor configurations through CI/CD pipelines like Fastlane
• Integrate secure payment SDKs such as Stripe, building Apple Pay and Google Pay checkout flows for retail purchases and subscriptions
• Drive feature delivery across both the member app and staff app, working through complex logic for POS, multi-club access, and real-time scheduling
• Implement Clean Architecture and state management patterns like Bloc or Riverpod to handle complex, asynchronous UI states
• Manage network layers with Retrofit and maintain reliable code-generation workflows for stable,
conflict-free builds
• Champion automated testing across unit, widget, and integration levels to keep releases reliable
• Profile and optimize app performance for large datasets, keeping rendering smooth and memory use efficient across devices What you'll bring
• 6 to 8 years of software engineering experience, including at least 4 years with Flutter and Dart in production
• Experience building multi-tenant or white labeled mobile apps from a single codebase, with familiarity deploying to the App Store and Google Play
• Hands-on experience integrating native payment SDKs and mobile wallets, including handling 3D Secure authentication and transaction errors
• Experience using AI coding assistants in production, with the Dart and Flutter fundamentals to keep AI-assisted code performant and maintainable
• Solid understanding of mobile system design, state management, and dependency injection
• Working knowledge of native iOS (Swift or Objective-C) and Android (Kotlin or Java) for platform channels and native integrations Nice to have
• Experience in the fitness, wellness, or club management software industry
• Understanding of event-driven backend architectures like Kafka, to align mobile caching with backend data streams
📌 Senior Flutter Developer (Mumbai)
🏢 Daxko
📍 Mumbai