I’m looking for a seasoned mobile developer who can take a brand-new concept and turn it into a fully functional app released on both the App Store and Google Play. The core brief is intentionally open because I want your technical insight as much as your coding skill: from choosing the stack (native Swift/Kotlin, Flutter, React Native, or another tool you recommend) to shaping the UI/UX and setting up analytics, crash reporting, and store-ready assets. Here’s what I expect the engagement to cover, end-to-end: • Collaborative definition of product requirements and user flows • Wireframes and high-fidelity designs that follow Apple Human Interface Guidelines and Google Material Design • Development of all features, screens, and back-end integrations (if any) with clean, well-documented code • Internal QA, test flight / closed testing, and iteration until the build is stable • Store submission, review handling, and live deployment Acceptance criteria will be straightforward: the app installs cleanly, passes all store reviews, and the agreed features work on current iOS and Android versions without critical bugs. If you have a portfolio that demonstrates shipping apps on both platforms, let’s discuss timelines and your recommended technical approach.