Cross-Platform Task Management App Development

I'm looking for an experienced app developer to create a task management application for both iOS and Android platforms.

Essential Requirements:
- Core functionality: Task management
- Platform: Both iOS and Android
- Type: Utility app

Ideal Skills and Experience:
- Proficiency in cross-platform app development
- Experience with task management features
- Familiarity with both iOS and Android design guidelines
- Strong problem-solving skills

Please provide examples of similar projects you've completed.