NGO Awareness Website Development

I'm looking for an experienced web developer to create an awareness-focused website for our NGO. The site should be engaging and informative, aimed at the general public.

Key Features:
- Content Types: Articles, news, videos, multimedia, event info, pictures, and write-ups.
- User-friendly navigation and a responsive design for mobile compatibility.
- SEO optimization to enhance visibility.
- Integration of social media channels.
- An easy-to-use content management system for future updates.

Ideal Skills and Experience:
- Proven experience in developing NGO or similar awareness websites.
- Strong portfolio showcasing content-rich websites.
- Expertise in SEO and responsive web design.
- Proficient in CMS platforms.

Please provide samples of past work and a rough estimate of the time required for completion.