Description: I need a custom web dashboard built and integrated into my existing website hosted on GoDaddy. The dashboard will allow me to upload daily advertising cost data via Excel and automatically calculate metrics, then display them on a clean and modern interface. Key Requirements: • Integrate the dashboard under a subdomain: admin.adnetify.com • User login system (with admin access) • Excel import functionality (CSV/XLSX) • Automatic calculation of: • CTR = Clicks / Impressions • CPC = Amount / Clicks • CPM = (Amount / Impressions) × 1000 • Store all data in a database (Supabase, Firebase, MySQL, or recommended by developer) • Dashboard view with: • Daily totals • Charts for spending and performance • Filters: Customer, Website, Month, Campaign ID, Category • Table view with sorting and search • Modern UI (Material UI or similar) Excel Format (uploaded by user): | Date | Customer | Website | Month | Impressions | View Rate | Clicks | Campaign ID | Category | Amount | The dashboard must calculate CTR, CPC, and CPM automatically — they will NOT be in the Excel file. Hosting requirements: • My main site is hosted on GoDaddy • Dashboard should be deployable either on Vercel or server recommended by developer • Subdomain setup must be supported (DNS instructions will be provided) Deliverables: • Fully working dashboard • Backend API for Excel upload • Database setup • Deployment • Basic documentation on how to use it Skills Needed: • Next.js / React • Node.js • Database (Supabase / Firebase / MySQL) • Excel parsing (XLSX/CSV) • API development • GoDaddy DNS integration Deliver same day