News Aggregator App Development

I'm in need of a proficient app developer to create a straightforward, user-friendly news aggregation application. My goal is to use a free public API as a source to fetch news and classify it into various categories - including tech, sports, and more.

Essential Features:
- News Categories: The articles must be sorted into tabs for seamless navigation.
- Search Functionality: Users must be able to search for news with specific keywords.
- Offline Reading: I'd like to offer an offline reading mode