LUMP App Development Phase 2

I need an experienced mobile app developer to help me refine and expand my existing social app, LUMP (Link Up, Meet People).

Key Tasks:
- Fixing reported issues
- Adding new features like:
- User profile enhancements
- App enhancements

Ideal Skills:
- Mobile app development (iOS/Android)
- Experience with social networking apps
- Strong problem-solving skills
- UI/UX design knowledge
- Familiarity with user profile customization and app enhancement features

Please provide a portfolio showcasing similar work.