Mobile Application Developer

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.