Cross-Platform Productivity App Developer

I’m kicking off a three-month build of a brand-new productivity app that must launch simultaneously on iOS and Android. The core goal is to deliver a clean, fast, and highly scalable code-base that can grow well beyond version 1.

Here’s how I picture the engagement:
• You take full ownership of the mobile front-end, choosing the most suitable cross-platform stack (React Native, Flutter, or similar) while keeping maintainability in mind.
• I supply wireframes, user stories, and API specifications; you translate them into pixel-perfect, test-covered screens and robust data flows.
• Together we tighten the feature list—think task management, calendar hooks, or note capture—then sprint in two-week cycles, shipping a test build at the end of each cycle for review on TestFlight and Google Play Internal Testing.
• Performance, offline capability, and solid state management are non-negotiable; I expect smooth scrolling at 60 fps and memory-safe handling of large datasets.
• CI/CD (Fastlane, GitHub Actions, or equivalent) should be in place early so we can automate builds, linting, unit tests, and distribution.

Deliverables at handover:
1. Source code in a private Git repository, clearly documented.
2. Passing unit and widget tests covering the critical paths.
3. CI/CD pipeline scripts.
4. Store-ready release builds plus installation instructions.

Acceptance criteria: each user story must pass its functional test suite and meet the performance budget on a mid-range device.

If you have a solid record of launching cross-platform apps that scale cleanly, let’s talk timelines and dive in.