Backend & Distributed Systems Featured Showcase
2800 views
OTA Travel Booking & GDS Flight Ticketing Engine
Online Travel Agency (OTA) booking backend integrated with Global Distribution Systems (Amadeus & Sabre GDS) for real-time flight search, seat reservations, and payment processing.
Role
Senior Software Engineer
Timeline
2024 — Present
Client / Domain
Enterprise Platform
Category
Backend & Distributed Systems
Core Technologies & Infrastructure
PHPLaravelRESTful APIsMySQLRedisOOP & SOLID Principles
Architectural Breakdown & System Design
# OTA Travel & GDS Flight Ticketing Engine
An Online Travel Agency (OTA) backend solution designed for real-time flight inventory aggregation, dynamic fare rules, passenger PNR generation, and automated ticket issuance.
### Technical Achievements
- **GDS API Integration:** Integrated Amadeus and Sabre XML/REST APIs for real-time schedule searches, fare calculation, and seat bookings.
- **Asynchronous Search Aggregation:** Concurrent multi-provider queries with Redis caching to deliver fast search results across hundreds of airlines.
- **Payment & Verification Flow:** Integrated multi-channel payment gateways with automated transaction reconciliation and webhook validation.
- **Automated Ticket Issuance:** Background job queues handling PNR creation, e-ticket PDF generation, and automated customer email/SMS confirmations.
System Artifacts & Screenshots
View Full Size
View Full Size
Interested in building a similar system?
Let's discuss how we can engineer a resilient, scalable architecture for your team.