Cross-Platform Mobile App Developer

I need an experienced mobile app developer to create an app for both iOS and Android platforms.

Key Requirements:
- Expertise in cross-platform development frameworks (e.g., Flutter, React Native)
- Strong experience in mobile UI/UX design
- Proficient in backend integration and API development
- Knowledge of app store submission processes

Ideal Skills:
- Proven track record in delivering high-quality mobile apps
- Strong problem-solving skills
- Ability to work within budget and meet deadlines

Please provide examples of previous work and a brief project plan.