Contact person: Android Multi-Tier Ordering App

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Location: Lahore, Pakistan

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need an Android ordering app built specifically for my line of home-cleaning products—detergent powder, phenyl, bleach, toilet cleaner and more. My customers fall into four clear groups: retailers, wholesalers, distributors, and institutions placing loose-quantity orders such as restaurants, hospitals, schools and marquees. Each group must see its own price, discount structure and time-limited promotions the moment they sign in, with the figures pulling from one source of truth so nothing drifts out of sync.

Core flow
• Customers create an account, sign in, add items to a cart and check out with area-specific delivery options. For the first release deliveries are limited to my city, but the design must allow me to activate additional zones—and even international shipping—without rewriting code.
• All order data, customer info, pricing tiers and discounts need to sync in one click with my existing accounting software (Tally ERP; if you can suggest a lightweight bridge or a direct API hook, even better). A clean CSV export is acceptable as long as it is automated.
• I’ll manage inventory, prices and promotions from an admin panel; feel free to use Firebase, Supabase or a simple Node/Python backend, provided it is secure and gives me real-time edits that push instantly to the app.

Deliverables
1. Production-ready APK plus full source code (Kotlin or Flutter preferred—open to Java if that accelerates delivery).
2. Admin dashboard with role-based access for me and my sales team.
3. One-click data integration with the accounting package, demonstrated with sample orders.
4. Documentation: build/run instructions and an outline showing where to expand delivery regions later.
5. Post-launch support for bug fixes during the first month.

Acceptance criteria will be a seamless login-to-checkout flow for each customer type, correct tiered pricing in at least five test accounts, and successful data push into the accounting system in under two minutes. Let’s discuss timelines and any tech choices you think will shorten maintenance down the road." (client-provided description)