Sema PasiScaleable Delivery System
Sema Pasi is not just a delivery app — it's a fully distributed, real-time logistics platform built to operate at scale. From intelligent dispatching to atomic financial settlements, every component is designed for performance, precision, and resilience.
The 4-App Ecosystem
A tightly integrated suite of applications powering every stage of the delivery lifecycle — from discovery to fulfillment to financial reconciliation.
User Application
Hyper-local Discovery & Seamless Checkout
A high-performance consumer app featuring global fuzzy search across restaurants and dishes, dynamic distance-based delivery fee calculation, and a rule-based promotion engine.
- verifiedGlobal Search (Fuzzy matching on Menu & Restaurants)
- verifiedDynamic Fee Calculation (Haversine Formula)
- verifiedReal-time Order Status & WebSocket Tracking
- verifiedSophisticated Promo Code System
Rider Application
Smart Dispatching & Real-Time Delivery Execution
A performance-driven rider application designed for precision logistics and optimized earnings. It ensures efficient job allocation, real-time navigation, and seamless delivery execution under high-demand conditions.
- verified20-Second Batch Broadcast Dispatching
- verifiedWebSocket-based Real-time GPS Tracking
- verifiedInstant Wallet Settlement on Delivery
- verifiedInteractive Delivery Route Maps
Restaurant Manager
Streamlined Kitchen Operations & Business Control
A powerful partner dashboard enabling restaurants to efficiently manage orders, menus, and revenue. Built for operational clarity, speed, and real-time responsiveness in a fast-paced environment.
- verifiedLive Order Prep Tracking
- verifiedAutomated Commission-based Payouts
- verifiedDynamic Menu & Availability Management
- verifiedWeekly Financial Performance Reports
Admin Command Center
Full Platform Governance & Operational Intelligence
The centralized control hub providing complete visibility and control over the entire ecosystem. Designed for monitoring, financial auditing, and system-wide management at scale.
- verifiedReal-time Operational Dashboards
- verifiedAudited Wallet Balance Adjustments
- verifiedCross-service Transaction Ledger
- verifiedAdvanced Cancellation & Refund Controls
The "Brain" Behind the Scenes
At the core of Sema Pasi lies a distributed microservices architecture, built using Java Spring Boot and designed for high availability, fault tolerance, and real-time communication.
hubInfrastructure
- Java 21
- Spring Boot 3
- Eureka
- API Gateway
Dynamic PricingDetail
Haversine-based fees & real-world tax logic.
Automated PayoutsDetail
Instant settlement trigger on order delivery.
Batch DispatchDetail
Scaleable parallel broadcast to nearby riders.
Live TrackingDetail
WebSocket STOMP protocol for low-latency GPS.
Wallet Ledger Detail
Centralized, immutable financial transaction log.
Promo Engine Detail
Rule-based discount strategies and usage caps.