Contact person: Business Client

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Location: Gurugram, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need an MVP-level billing application that works smoothly for both retail and service businesses. At a minimum it must:

• Generate professional invoices on demand.
• Store basic customer details so I can reuse them without retyping.
• Instantly turn each new invoice into a PDF and:
– send it automatically to the customer’s WhatsApp right after the invoice is saved, and
– allow me to resend it manually from within the app whenever needed.

A clean, intuitive interface is important; the goal is speed, not endless menus. Core logic can be web-based or desktop—whichever lets you deliver quickly—so long as WhatsApp sending remains reliable. I’m open to frameworks like Flutter, React, or Electron as long as the final install and setup are straightforward.

Keep the scope tight for now: no inventory tracking or scheduled WhatsApp blasts yet, though I may add those later. Deliverables include source code, a short setup guide, and a brief walk-through on how you integrated the WhatsApp PDF feature." (client-provided description)