06
SaaS / Restaurant Operations

Zeroconflicts.94%capacity.Automatic.

CompanyPlatz-Halter
YearPlatz-Halter
TypeSaaS / Restaurant Operations
RoleLead Full Stack Engineer
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01 — Problem Statement

Restaurants were losing revenue to conflicts, wasted tables, and missed calls.

Restaurant floor managers were running their evening service on spreadsheets and instinct. Double-bookings from mixed online and walk-in reservations created embarrassing conflicts in front of guests. Tables sat partially empty while large walk-in groups were turned away because no staff could quickly figure out which tables could be merged. During peak service, phone reservations went unanswered — every missed call was a booking lost. Manual 'table tetris' consumed manager attention that should have been on guests.

Key Metric latency
4+
Booking conflicts per evening service (pre-platform)
02 — Solution Framework

An autonomous conflict resolution engine with real-time capacity optimization.

Built a real-time floor intelligence platform with three core layers. A conflict detection engine continuously monitors all incoming reservations — online and walk-in — against the live floor state, flagging overlaps the moment they occur. An auto-merge algorithm evaluates available table combinations and instantly seats large groups by combining adjacent tables, broadcasting the resolution to all devices in under 150ms. A predictive capacity engine runs scenario simulations in the background, maintaining occupancy at 94%+ without overbooking. The visual floor planner lets owners drag-and-drop their exact room layout — table shapes, groupings, and capacities — with changes reflecting live across all staff devices via WebSocket sync.

The Hypothesis

By treating the floor as a live data problem rather than a manual coordination task, Platz-Halter eliminated the entire class of human errors that cost restaurants covers every service.

Engineering Core Principle

03 — Key Features

Architectural Highlights

01

Real-Time Conflict Resolution Engine

Monitors all reservation channels (online bookings, walk-ins, phone) against the live floor state simultaneously. When a conflict is detected — two parties assigned the same table at overlapping times — the engine evaluates alternatives and auto-resolves by reassigning or merging tables, logging the resolution with zero staff intervention required.
02

Intelligent Auto-Merge for Large Groups

When a walk-in group exceeds any single table's capacity, the system evaluates every viable table combination in real time, selects the optimal merge (by proximity, current booking state, and turnaround time), and assigns the combined table automatically. The resolution — 'T4 + T5 merged, party of 8 seated' — appears on all devices in under 150ms.
03

Visual Drag-and-Drop Floor Planner

Owners map their exact room layout once — table shapes (round, rectangular), groupings, indoor/outdoor zones, and per-table capacity. The layout drives all conflict logic. Any change to the floor plan propagates to the live system instantly, with zero manual reconfiguration of booking rules required.
04 — Results & Impact

Measured outcomes.

+40%
Average revenue improvement per venue
0
Double-bookings post-launch
94%
Average floor capacity utilization
< 150ms
Cross-device sync latency
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