Social Media Site Development

I need a developer to build a social media site with the following core functionalities:

- User Profiles: Users should be able to create and customize their profiles.
- News Feed: A centralized feed where users can see updates from others.

Content Sharing:
- Users can share text posts.

User Interaction:
- Users can like and comment on posts.

Ideal skills and experience:
- Experience in developing social media platforms.
- Strong knowledge of database management.
- Proficiency in front-end and back-end development.
- Familiarity with user interface and user experience (UI/UX) design.

Please provide examples of similar projects you've completed and your approach to ensure user engagement and data security.