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Restaurant · Ordering & Staff POS
Bun
Integrated food and beverage platform bridging customer digital ordering with staff-facing kitchen display and cashier POS operations.
bun-restaurant-pos / production interfacePublic Deployment
Operational Context & The Problem
Restaurants struggle when customer ordering experiences are detached from kitchen preparation queues. Verbal or paper order handoffs cause communication lag, menu 86-ing errors (selling out of stock items), and slow table turnover during peak hours.
Scope & System Boundaries
Roles & Key Operations
- Visual menu browsing with modifier selections (toppings, temperatures)
- Real-time cart with itemized pricing and notes
- Instant dispatch to kitchen queue with prep status toggles
- Live menu availability toggles (instant 86-ing)
Boundaries & Design Focus
- Direct order flow through preparation and settlement
- Excludes third-party aggregator multi-delivery API integrations
- Designed for agile single-location or boutique hospitality operations prioritizing speed and reliability.
Operational Workflow
01
Menu Discovery & Customization
Customer selects meal items with immediate modifier calculations (add-ons, dietary notes) and reviews dynamic subtotal.
02
Order Submission & Ticket Creation
Cart payload validates on server and emits a structured order ticket to the active shift register.
03
Kitchen Line Display & State Transition
Kitchen station sees real-time order card appear, marks status: Received → In Prep → Ready.
04
Checkout & Ticket Settlement
Cashier reconciles order ticket with payment method, marks complete, and archives record for daily sales reconciliation.
Key Engineering Decisions
Decision 01Fast-paced restaurant operations require zero-latency updates between customer placement and kitchen display.
Alternative Considered
Periodic client polling every 10 seconds.
Architecture Chosen
Optimistic UI updates paired with lightweight state event synchronization.
Technical Rationale
Cooks cannot wait for slow polling cycles during peak rush periods; tickets must reflect state transitions immediately.
Trade-off Accepted
Required client-side conflict resolution when kitchen and cashier modify status concurrently.
Decision 02Kitchen staff use touch screens with gloves or oily hands; complex menus slow down order processing.
Alternative Considered
Deep modal menus with nested forms.
Architecture Chosen
High-contrast, large-hit-target cards with single-tap status advancement and clear visual priority.
Technical Rationale
Ergonomic kitchen interface design directly impacts ticket fulfillment speed and kitchen error rates.
Trade-off Accepted
Limited display information to essentials: ticket number, table, items, modifiers, elapsed time.
Data & Workflow Architecture
Guest SelectionCustomer
Select items & modifiers
↳ Validated order state
Ticket QueueKitchen Display
Review items & prep
↳ Status updated to Ready
Cashier PointRegister Staff
Collect payment & clear
↳ Closed transaction record
Menu MgmtManager
Update prices / stock status
↳ Instant menu sync
Delivery & Verification
A connected customer ordering and staff POS application, with a public project deployment.
Verified System Outcome
Delivered a complete ordering-to-fulfillment pipeline that eliminates order translation errors between dining room and kitchen. Demonstrates end-to-end full-stack capability from consumer design to high-throughput operational screens.
Building a food service, retail, or operational queue application?
Let's discuss your workflow, technical constraints, and how we can engineer a tailored solution from start to finish.
Discuss Your ProjectOther selected builds
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