Looking for a enior API Integration Engineer – PMS / POS / Booking Systems

We are building a mobile-first digital platform in the hospitality and leisure space that requires deep integration with third-party operational systems.

We are looking for a senior API integration expertto design and implement a scalable, production-ready integration layer connecting multiple external systems across:

PMS (Property Management Systems)– accommodations

POS (Point of Sale Systems)** – restaurants

BMS / Booking Management Systems** – tours, activities, transfers

This is not a basic connector project. The system must be architected correctly from day one to support scale, real-time synchronization, and multi-tenant logic.

## Required Integrations

1. PMS (Accommodation)

Examples:
• Guesty
• HostAway
• Lodgify
• * multiple additional channel managers

Scope:
• Availability sync
• Pricing sync
• Reservation creation & cancellation
• Webhook ingestion
• Rate limit handling
• OAuth/API key authentication
• Data normalization across heterogeneous schemas

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2. POS (Restaurants)

Examples:
• Lightspeed
• Square
• Tilby
• * additional POS providers

Scope:
• Menu synchronization
• Reservation / order handling (where applicable)
• Transactional updates
• Webhook-based event handling
• Multi-location mapping

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3. BMS (Experiences / Tours)

Examples:
• Bokun
• Rezdy
• FareHarbor
• * additional booking engines

Scope:
• Live availability
• Dynamic pricing
• Booking flow orchestration
• Ticket issuance logic
• Cancellation / refund handling
• Webhook events

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Technical Expectations

You will design:
• A unified API abstraction layer
• Normalized internal data models
• Scalable integration architecture
• Event-driven synchronization (webhooks + queues)
• Retry & idempotency logic
• Secure multi-tenant structure

Strong experience required in:
• REST & webhook-heavy integrations
• Event-driven systems (Kafka / SQS / RabbitMQ)
• Scalable backend architecture
• Rate-limit & failure handling strategies
• Cloud infrastructure (AWS or GCP preferred)
• PostgreSQL (or hybrid DB architecture)

The integration layer must be:
• Scalable
• Cleanly structured
• Extensible for additional providers
• Production-grade (not MVP-level shortcuts)

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If you’ve built integration-heavy platforms involving PMS, POS, or booking engines before, please share examples or architecture references.

We are open to scheduling a technical discovery call to go deeper into scope and system requirements before engagement.

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