Client Portal Development for Answering Service

I need a developer to build a simple client portal for my answering service business. Clients should be able to log in, view call details, track used minutes, see billing, and manage basic account/onboarding info. Stack I’m considering: Next.js, Supabase, Stripe, JustCall, HubSpot, Vercel. Must include: Client login Call log/minute tracking from JustCall Stripe billing link Admin area to manage clients Basic HubSpot connection