We are looking for a hands-on Mobile App Developer to work with us on a project basis across a portfolio of consumer mobile applications for iOS and Android. We expect to launch approximately 5 mini consumer apps over the next 2 months.
Please include a link to your portfolio, GitHub profile, or examples of previous work.
Required Experience
• 1-2 years of practical mobile app development experience.
• Strong experience with React Native and Expo.
• Experience working with Expo EAS Build and EAS Submit.
• Good knowledge of TypeScript / JavaScript.
• Working knowledge of Swift and native iOS development.
• Comfortable integrating native modules into React Native / Expo applications.
• Experience with RevenueCat, Superwall, Adapty and Supabase.
• Strong understanding of REST APIs, JSON, authentication and third-party SDK integrations.
• Experience shipping at least one real application to the Apple App Store and/or Google Play Store.
• Experience with Flutter / Dart is an advantage.
• Ability to work inside Xcode and troubleshoot native iOS issues is an advantage.
Responsibilities
Your responsibility will be to take each provided app/codebase from prototype to production, including:
• Review, clean up and improve AI-generated/vibecoded code where necessary.
• Implement and configure RevenueCat for subscriptions, trials, paywalls and in-app purchases.
• Set up and integrate Supabase, including authentication, database, storage, Edge Functions and backend logic when required.
• Integrate third-party REST APIs / SDKs used by each application.
• Implement secure API communication and ensure API keys/secrets are not exposed client-side.
• Build any lightweight backend functionality required by the app.
• Configure user authentication, account creation, session management and account deletion where applicable.
• Configure analytics and attribution. Integrate MMPs such as AppsFlyer and Adjust and implement Meta SDK, TikTok SDK and other advertising/tracking SDKs when required. Work with Apple ATT, SKAdNetwork/SKAN and mobile attribution requirements.
• Configure crash reporting and application monitoring.
• Fix bugs, crashes, layout issues and production blockers.
• Prepare production builds using Expo EAS / Xcode / Android build tools.
• Deliver a stable production-ready codebase at the end of every project.
Engagement
• Independent contractor / service provider relationship.
• Work assigned on an hourly and project-by-project basis.
• Initial pipeline of approximately 5 mobile apps over the next 2 months.
• Fully Remote anywhere in Greece
• Flexible working schedule, but good communication and reliable delivery are essential.
