✦Mobile App Development✦
Rafik Darbak App
The premier peer-to-peer ride-sharing and intercity transit application tailored specifically for Syrian transport logistics.
ClientRafik Darbak Mobility Network
Timeline4 Months
Year2024
Engineering RoleLead Mobile Engineering & Cloud Architecture
Key Engineering Metrics & Business Impact
50K+
Active Transit Bookings
< 250ms
Driver Matching Latency
99.8%
Session Crash-Free Rate
42%
Telemetry Battery Reduction
The Operational Challenge
Rafik Darbak is the first ride-sharing application designed for users in Syria. Engineered to thrive in low-bandwidth environments, the platform connects drivers and commuters with live telemetry, offline-first queueing, and hyper-localized dispatch logic.
- ✦Operating reliably over highly unstable 3G/EDGE mobile networks with frequent packet drops.
- ✦Providing battery-conscious, sub-second GPS telemetry and route matching without burning background CPU cycles.
- ✦Designing a frictionless multi-tier booking flow accommodating cash-on-arrival and regional payment arrangements.
Engineering & Architecture
Resilient Offline-First Telemetry Engine
- •Engineered a deterministic local SQLite event buffer that caches ride statuses during network dropouts and synchronizes idempotently upon reconnect.
- •Implemented custom spatial indexing with PostGIS to execute ultra-fast driver proximity queries within 250ms.
- •Reduced GPS battery footprint by 42% using dynamic sensor throttling based on vehicle acceleration vectors.
Bilingual Real-Time State Sync
- •Native RTL typography and cultural UI patterns optimized for Syrian Arabic vernacular.
- •Bi-directional WebSocket pipelines with heartbeat failover ensuring driver-rider live position updates at 60fps.
Technology Stack & Cloud Infrastructure
Client Engineering
Flutter 3.xDartBloc ArchitectureCustom Vector Maps
Backend & Data
SupabasePostgreSQLPostGIS GeolocationEdge Functions
Protocols & Sync
WebSocketsOffline-First SQLite CachePush Notifications (FCM)
Production ReleaseLaunch Live System↗
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