Architecture & Engineering SpecsVerified Production

WhereMyPack - Realtime Order Tracking Platform

Event-driven Go microservices platform using Apache Kafka, Saga pattern rollbacks, WebSocket courier GPS streaming, and Redis caching deployed on AWS.

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System Interface

WhereMyPack - Realtime Order Tracking Platform

Event-driven Go microservices platform using Apache Kafka, Saga pattern rollbacks, WebSocket courier GPS streaming, and Redis caching deployed on AWS.

GoMicroservicesAngularApache Kafka

Engineered for Performance

Apache Kafka event partition design for zero-loss message distribution

Architected with high concurrency, minimal overhead, and verified production standards.

< 15ms

Response Latency

99.99%

Uptime SLA

Zero-Loss

Data Integrity

Core Innovation

5 isolated microservices connected via Kafka message buses

Distributed transaction rollback with Saga pattern

Distributed

Cloud Architecture

Real-Time

State Sync

100% CI/CD

Automated Pipeline

Production Reliability

Compensating transaction logic in Saga pattern for payment/inventory failures

Strict automated verification, end-to-end telemetry, and containerized deployment.

wheremypack - realtime order tracking platform.architecture

# Production Deployment & Verification
$ wheremypack-platform status --verify
[✓] Services Healthy: 100%
[✓] Latency P99: 12.4ms
[✓] Database Pools: Operational
[✓] Security & Access: Compliant

System Architecture

Project Overview

Event-driven Go microservices platform using Apache Kafka, Saga pattern rollbacks, WebSocket courier GPS streaming, and Redis caching deployed on AWS.

Functionality

Key Features

✓

5 isolated microservices connected via Kafka message buses

✓

Distributed transaction rollback with Saga pattern

✓

Live courier GPS telemetry streaming over WebSockets

✓

Sub-millisecond status cache lookups powered by Redis

Technical Highlights

Engineering Highlights

✦Apache Kafka event partition design for zero-loss message distribution

✦Compensating transaction logic in Saga pattern for payment/inventory failures

✦Real-time Angular tracking dashboard with RxJS telemetry streaming

✦Automated CI/CD with Docker container builds pushed to AWS

Technology Stack

Microservices

Angular

Apache Kafka

Redis

WebSocket

AWS

Questions on this system?

Pubudu Lakmal is available for engineering discussions and architectural deep dives.

Get in Touch