Contact person: Full-Stack Development of a Modern, B2C Online Travel Agency (OTA) Website with GDS/API Integration

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Location: Arnhem, Netherlands

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We are not looking for a simple WordPress theme installation. The core of this project is the successful integration of live inventory APIs and the development of a secure, intuitive booking engine and robust back-office system.

I am building a high-performance, consumer-facing Online Travel Agency (OTA) that must feel as fast and intuitive as the best names in the industry (e.g., Skyscanner, Kayak). The core project is a single, responsive full-stack web application for travelers to search, compare, and book Flights, Hotels, and Car Rentals.

The chosen developer/agency must have verifiable, deep experience in travel industry API integration and modern web architecture.

Phase I: Core Inventory & Booking Engine (Non-Negotiable)
The back-end must be robust, scalable, and built specifically to handle the high-volume, low-latency demands of the travel industry.

API Integration: Real-time inventory and pricing must be pulled from a Global Distribution System (GDS)—specifically targeting content from giants like Amadeus, Sabre, and Travelport—plus any agreed-upon secondary APIs for content enrichment.

Booking Flow (End-to-End): Must handle the entire transaction: capturing passenger/guest details, confirming real-time availability with the supplier, managing Payment Name Records (PNR), and instantly issuing e-tickets, vouchers, or confirmation emails.

Back-Office Management: A secure, intuitive Admin Panel is required with the following capabilities:

Financial Control: Ability to manage and apply tiered mark-ups/commissions per supplier or product type.

Reporting: Live booking reports, financial summaries, refund triggering, and scheduling of automatic settlement files.

Customer & Inventory: Management of customer accounts, booking modifications, and content updates (e.g., special offers).

Phase II: Front-End & User Experience (UX)
The front-end must be modern, conversion-focused, and built for speed and SEO.

Modern Tech Stack: Mobile-first front end built using a modern framework (e.g., React, [login to view URL], or Vue.js) for an ultra-fast, single-page application (SPA) experience.

Search & Filtering: Must include highly advanced, dynamic filtering (e.g., filter flights by layover city, check-in time, specific airline, amenities like Wi-Fi, etc.).

Trust & Security:

Secure Checkout: Must use PCI-compliant gateways (e.g., Stripe, custom payment processors) supporting credit/debit cards, digital wallets, and bank transfers.

User Security: Implemented Two-Factor Authentication (2FA) for all user accounts, including robust password recovery and device trust management.

Trust Signals: Prominent display of secure payment badges (SSL certificate validation), clear cancellation policies, and an integrated customer review/rating system.

SEO Optimization: Site architecture must be inherently SEO-friendly, including clean, crawlable code, customizable metadata, and blazing-fast load speed (critical for user experience and ranking).

Phase III: Deliverables & Project Management
We seek a professional partner committed to best practices.

Full Codebase Handover: Complete source-controlled codebase (using Git/GitHub) for the front-end, back-end, database schema, and infrastructure scripts.

Deployment Environments: Full deployment of both a Staging (testing) site and the Production (live) environment, handed over on my preferred cloud account (e.g., AWS, DigitalOcean).

Technical Documentation: Comprehensive documentation covering the application architecture, API contracts, database structure, and detailed deployment steps.

Training & Partnership: A hand-off session to train me on fundamental operations, content management, and the process for integrating new inventory partners (APIs) in the future.

Clean Architecture: Back-end must communicate via clean REST or GraphQL endpoints.

Next Steps: Please Submit Your Proposal

To be considered for this high-value project, please include the following in your response:

Direct Links: Provide 2-3 links to live OTA or complex booking engine projects you have successfully developed.

API Proficiency: Specify which GDS (Amadeus, Sabre, Travelport) and secondary APIs (e.g., HotelBeds, Skyscanner) you have integrated.

Technology Recommendation: Briefly propose your recommended tech stack (e.g., [login to view URL]) and a high-level project timeline.

Availability: Your immediate availability and capacity for a project of this scale." (client-provided description)