
Closed
Posted
We are looking for developers, consultants, or technical architects with real experience in hotel group / hospitality / travel technology projects. This is not a generic website or CRUD project. We are building and improving a hotel B2B booking and fulfillment system involving hotel search, supplier routing, quote verification, booking, order status tracking, VCC / guarantee-card workflows, cancellation, refund, settlement, reconciliation, and back-office operations. We are especially interested in people who have worked on one or more of the following: - Large hotel group or hotel chain systems - Hotel booking engines - PMS / Property Management Systems - CRS / Central Reservation Systems - Channel managers - OTA integrations such as [login to view URL], Expedia, Agoda, [login to view URL] - GDS / travel APIs such as Amadeus, Sabre, Travelport - Corporate travel / TMC platforms - Hotel supplier APIs - Hotel payment, VCC, refund, settlement, or reconciliation workflows You do not need to disclose confidential client names. But please describe the type of project, your role, the systems/APIs involved, and the hardest business problems you solved. Possible first step: We would like to start with a small paid consultation or trial task. The first task may be reviewing our hotel order lifecycle, identifying missing business scenarios, or helping us design integration / reconciliation models before any coding work. Please answer these questions in your proposal: 1. What hotel / hospitality / OTA / PMS / CRS / GDS / travel project have you worked on? 2. Was it for a hotel group, OTA, supplier, channel manager, travel agency, or internal platform? 3. What was your exact role? 4. Which systems or APIs did you integrate with? 5. Did you handle room type, rate plan, availability, booking status, cancellation, payment, VCC, or reconciliation? 6. What were the hardest business problems in that project? 7. Are you open to a small paid consultation or trial task first? We are not looking for generic web developers. Relevant hospitality / travel system experience is the main requirement.
Project ID: 40441878
200 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
200 freelancers are bidding on average $20 USD/hour for this job

Hi there, I bring extensive experience in developing and enhancing complex hotel B2B systems, including hotel booking engines, PMS, CRS, GDS integrations, and OTA connections. I've tackled challenges in room availability, booking statuses, payment workflows, and reconciliation processes for major hotel chains and travel agencies. My role involved system architecture, API integrations, and solving intricate business problems. I am open to starting with a small paid consultation or trial task to showcase my expertise in optimizing your hotel order lifecycle and integration models. Let's discuss how I can contribute to your project's success.
$45 USD in 40 days
8.7
8.7

Answer your questions-- 1. - I have experience with integrating Property Management Systems (PMS) and Channel Management in the hospitality industry. This has included managing online travel agencies (OTA), Global Distribution Systems (GDS), and ensuring seamless data flow between different systems. 2. -With 9+ years of experience in the travel and hospitality technology sector, I’ve worked with various systems, including hotels, OTAs, and channel managers. I can analyze your data and workflows and deliver optimal solutions tailored to your needs. 3.- Overall development of the website from scratch to the final launch of the website. 4. - I have extensive experience with API integrations, including RESTful and SOAP services. For instance, I’ve successfully integrated payment gateways, CRM systems, and social media APIs in previous projects. 5. -I have extensive experience in managing hotel management systems, including room types, rate plans, and various booking features. I can assist in streamlining availability, cancellation policies, and payment handling, ensuring everything runs smoothly. 6. Throughout my experience in project management and data analysis, I’ve tackled numerous complex issues, from supply chain inefficiencies to market positioning challenges. My approach typically involves thorough research, stakeholder interviews, and data-driven decision-making to uncover the root causes and devise actionable strategies. 7. -Yes
$20 USD in 40 days
8.5
8.5

Hi there, ★★★ PHP Expert ★★★ 5+ Years of Experience ★★★ I can help improve your hotel B2B booking system by reviewing the order lifecycle and identifying missing business scenarios. This will include: - Analyzing the current order lifecycle. - Suggesting integration and reconciliation models. I will approach this by thoroughly reviewing your existing processes and providing actionable insights based on my experience in hospitality technology. Ready to start once you provide access to the current system details. Thanks!
$20 USD in 40 days
8.4
8.4

I can help with this, I will review your hotel order lifecycle, flag missing business scenarios, and help design your integration and reconciliation models. My work has spanned supplier API routing, booking status state machines, VCC guarantee flows, and multi-supplier settlement reconciliation — the exact layers your B2B system depends on. One critical area: mapping cancellation penalty windows per supplier against your refund logic to avoid margin leakage during partial cancellations. Questions: 1) How many supplier APIs are currently connected, and do they follow a unified response schema? 2) Is your VCC workflow handled in-house or through a third-party provider? Send me a message and we can go over the details. Best regards, Kamran
$19 USD in 40 days
8.5
8.5

I AM AN HOSPITALITY / HOTEL BOOKING SYSTEM EXPERTISE We are a 12+ years experienced team specializing in hotel booking engines, OTA integrations, CRS/channel manager-style systems, and travel tech platforms. We have worked on systems involving: • Booking lifecycle (search → booking → confirmation) • Hotel inventory & rate management • Cancellation, refund, and settlement workflows • Payment/VCC handling and reconciliation logic • API integrations with supplier/booking systems We understand complex hotel operations and edge cases like availability sync, booking status updates, and financial reconciliation. We are open to a paid consultation to review your current hotel order lifecycle, identify gaps, and design a scalable architecture before development.
$15 USD in 40 days
7.8
7.8

Hi, I have hands-on experience working on hospitality and travel technology platforms, including hotel booking flows, supplier/API integrations, order lifecycle management, cancellation/refund handling, and reconciliation workflows. - Make Sure I'll deliver the good results for you as well! - Can we set up the Interview meeting? Please drop the message, feel free ASAP! Best, Umar Farooq.
$20 USD in 40 days
7.4
7.4

Hi there, Hope you are doing well. We have developed a comprehensive online booking and management system tailored for campsites, glamping sites, holiday lets and holiday parks and a booking web application for a travel and logistics company. We are not only technology experts but also the domain experts in this area. We would love to connect over a quick discussion, or we would love to share the case studies to instil confidence in executing such complex projects. Look forward to hearing from you!! Best, Raman | Founder
$20 USD in 40 days
7.4
7.4

Hello, I hope you're having a great day. I have hands-on experience building hotel booking and fulfillment components for B2B platforms, having worked on several similar builds involving supplier routing and payment workflows. On a recent engagement I helped a travel technology provider integrate multiple hotel supplier APIs and a VCC gateway, using PHP and MySQL to normalize room types and rate plans and implementing idempotent booking and refund flows to prevent double charges during supplier retries. I would start by reviewing your current hotel order lifecycle and reconciliation reports, mapping events to a canonical state machine, and proposing integration patterns using middleware queues (RabbitMQ or Redis streams) and transactional reconciliation jobs. I would like to request your time to discuss the details. I have some questions regarding the project: 1) Which supplier APIs and payment/VCC providers do you currently use or plan to use? 2) Do you have existing canonical identifiers for room types and rate plans, or will mapping be required on each supplier? 3) How do you currently track partial cancellations, refunds, and settlements across suppliers and finance? I'd appreciate the chance to discuss the specifics with you. Thank you, Paramjot Singh
$23 USD in 40 days
7.3
7.3

I have hands-on experience with hotel booking engines and PMS/CRS integrations for hotel groups and OTAs. I’ve worked on end-to-end workflows including room availability, rate plans, booking, cancellations, VCC payments, refunds, and reconciliation, integrating with APIs like Amadeus, Sabre, and Booking.com. I’ve tackled complex issues like real-time inventory sync, multi-channel rate conflicts, and payment settlement workflows. I’m happy to start with a small paid consultation or trial task to review order lifecycles or integration models before coding.
$20 USD in 40 days
7.5
7.5

Hello, I understand you're building a hotel B2B booking & fulfillment system with complex flows: hotel search, supplier routing, booking lifecycle, VCC/guarantee cards, cancellations, refunds, settlement & reconciliation, plus OTA/GDS integrations (Amadeus, Sabre, Expedia, Agoda). You need real hospitality system architecture experience, not generic web development. I'll design and review your end-to-end order lifecycle including booking states, room/rate mapping, inventory sync, cancellation/refund rules, and reconciliation flows. I'll define a clean API integration architecture for OTAs/suppliers, robust data models for bookings and VCC/payment handling, and highlight missing edge cases in routing, failure recovery, and financial settlement. I can start with a paid consultation to audit your current workflow and produce a scalable architecture blueprint before any development work. Ready to analyze your system and help strengthen reliability across booking, fulfillment, and reconciliation layers. Thanks, Asif
$25 USD in 40 days
6.9
6.9

You’re clearly dealing with the part of hospitality systems that usually breaks after the “booking successful” screen — supplier mismatches, stale availability, VCC timing, cancellation edge cases, reconciliation gaps, and operational fallout between APIs and finance workflows. I worked on a travel fulfillment platform that aggregated hotel inventory from multiple suppliers and OTAs, with integrations around booking confirmation, cancellation sync, payment reconciliation, and supplier failover routing. My role was backend architecture and integration ownership across PHP/MySQL services and external APIs. The hardest problems were rarely technical in isolation — they were lifecycle consistency issues. For example, handling bookings that were confirmed by one supplier but later rejected during fulfillment, or reconciling supplier cancellations against already-issued virtual cards and settlement reports. We ended up building an internal state machine with audit trails instead of relying on supplier statuses directly. I’d definitely be open to starting with a paid consultation or lifecycle review first. That’s usually the right place to identify missing operational scenarios before implementation begins.
$20 USD in 40 days
6.9
6.9

Hi, As per my understanding: you need a scalable hotel B2B booking platform covering supplier APIs, booking lifecycle, reconciliation, VCC workflows, and back-office operations. • Review booking/order lifecycle & supplier routing • Design scalable API + reconciliation architecture • Optimize status tracking, cancellation & settlement flows Which supplier APIs are currently integrated? Is the platform microservice-based or monolithic? Do you already have reconciliation logic documented? I will share my portfolio on your first message. I will be looking forward to hearing from you. Kindest Regards
$15 USD in 40 days
6.9
6.9

Hi, the hotel B2B system project involves complex integration of payment processing and API connectivity, which often presents orchestration and data consistency challenges. I usually design systems by separating core business logic from external integrations to isolate failure points and ease maintenance. I've built several PHP-based eCommerce and CRM platforms with similar payment and API integration complexities. The Squarespace Checkout Streamlining and HubSpot CRM Implementation projects reflect my experience with PHP website design and payment workflows, which align with your system's needs. I recommend modularizing the payment and API layers to ensure reliable transaction handling and clear separation of concerns. While my primary focus is AI and backend systems, I approach architecture with production reliability and maintainability as priorities. I can outline your payment integration pipeline and review your current API orchestration to identify potential failure modes. Thanks, Hercules
$50 USD in 40 days
6.9
6.9

Hello, I have worked on hotel and travel booking platforms involving supplier APIs, availability/rate checks, booking status updates, cancellations, payment flows, and reconciliation logic. My role was mainly backend/API architecture and PHP/MySQL development, including mapping room types and rate plans, handling failed bookings or price changes, and improving order lifecycle visibility for operations teams. I understand this is a B2B hotel fulfillment system, not a simple CRUD website, and I can help review your hotel order lifecycle, supplier routing, quote verification, VCC/guarantee-card, refund, settlement, and reconciliation scenarios in a practical way. The hardest parts I have handled were inconsistent supplier responses, booking confirmation mismatches, cancellation deadline logic, and keeping finance/back-office data aligned. I am ready to begin immediately and would be happy to discuss the project in further detail. Thanks, Teo
$20 USD in 23 days
6.5
6.5

Hello, I hope you're having a great day. I have hands-on experience delivering multiple hotel and travel integrations, including booking engines and supplier routing built in PHP with MySQL. I recently worked on a B2B hotel aggregator that routed requests to multiple OTAs and direct supplier APIs, where I solved rate parity and mapping by implementing a normalized hotel schema and per-supplier transformation layer (using PHP, MySQL, and queued workers for async booking confirmation). That project handled VCC issuance via a payment gateway API and nightly reconciliation batches against supplier reports. I would start by reviewing your current order lifecycle diagram, identifying missing states and exception paths, and proposing a reconciliation model with idempotent webhook handling and a single source of truth in MySQL or an event store. I would prototype mapping logic and supplier adapters, and suggest using a message queue for booking flow reliability. I have some questions regarding the project: 1) Which supplier APIs and payment/VCC providers do you currently use or plan to use? 2) Do you have master data for hotel mappings and rate plans, or would we need to build normalization from scratch? 3) How do you currently handle supplier reconciliation files and refund settlements? I would like to request your time to discuss the details. Thank you, Gurpreet Kaur
$23 USD in 40 days
6.7
6.7

I understand that my core expertise lies in web and mobile app development but rest assured, my skills are far reaching. In the span of my 10+ year career, I have worked on numerous projects involving API development and other integrations, which is why I strongly believe I can be an asset to your hotel B2B system project. My proficiency in MySQL and PHP, essential for any intricate backend system work, will be advantageous to undertake tasks like quote verification, booking, cancellation, and settlement which are crucial elements of the system you envision. For instance, in one of my past assignments with a large OTA as a technical architect, my team and I successfully integrated with multiple GDS including Amadeus and Sabre. This entailed handling complex challenges such reconciling fluctuating room availability with rate plans while ensuring real-time updates across all platforms. We skillfully navigated these hurdles using secure APIs like the ones you desire in your candidature brief. Coming to your need for a paid consultation or trial task before diving into the actual project implementation phase - it is something I wholeheartedly endorse. It aims at providing insights into the expanse of work while simultaneously identifying any missing business scenarios thus guaranteeing a more comprehensive outcome.
$15 USD in 40 days
6.5
6.5

Hi there, I’ve read your hotel B2B system vision carefully and I’m confident I can help you design a robust, scalable solution. I have hands-on experience with hotel group systems, CRS/GDS integrations, channel managers, and complex payment workflows, and I’ve delivered reconciliation features in similar projects. My approach is to map your order lifecycle end-to-end, identify gaps, and prototype integration models before coding to minimize risk and accelerate delivery. I’m interested in the project, have worked on multiple hospitality tech embeddings, and I will tailor the solution to your systems while ensuring reliable VCC, refunds, and settlements Best regards,
$15 USD in 35 days
6.2
6.2

I previously worked on enhancing a global OTA’s booking engine, focusing on improving the order lifecycle from hotel search to reconciliation. This involved integrating with multiple supplier APIs and GDS systems like Amadeus and Sabre, handling room types, rate plans, cancellations, VCC workflows, and payment settlements. My role was both as a developer and system architect, designing fault-tolerant routing and reconciliation flows that reduced booking errors and simplified supplier settlement. The hardest challenges were aligning diverse supplier data structures and payment workflows into a unified, transparent process—especially managing VCC authorization and refunds across multiple suppliers. To start, I suggest we map your current order lifecycle end to end, highlighting any missing or edge business scenarios, especially on cancellation/refund and reconciliation, since those often cause downstream headaches. Are there already any live integrations or payment gateways you want to retain? I’m open to a small paid consultation first to review and provide a clear gap analysis before development. Ready to jump in and help you build a robust, scalable hotel B2B system based on your review findings.
$20 USD in 7 days
6.0
6.0

Hi, Your project requires deep understanding of hotel booking and fulfillment workflows, and I can contribute as both a technical architect and hands-on developer for complex travel systems. I have experience designing API-driven platforms involving search, quotation, booking, status tracking, cancellation, refunds, reconciliation, and payment workflows. My work has included integrations with third-party supplier APIs, multi-step order lifecycles, settlement logic, and back-office automation where data consistency and financial accuracy are critical. My role typically covers system architecture, database modeling, API integration, business rule design, and operational workflow automation. I have worked with rate and availability models, booking confirmations, status synchronization, refund handling, and reconciliation processes where supplier and internal records must match exactly. The most challenging problems in these systems are idempotent booking flows, supplier response inconsistencies, partial cancellations, settlement mismatches, and ensuring every financial event is traceable end to end. I am absolutely open to starting with a small paid consultation or trial task to review your hotel order lifecycle, identify missing scenarios, and design robust integration and reconciliation models before development. I would be grateful for the opportunity to contribute and will gladly accept any feedback you may have. Best, Justin
$50 USD in 41 days
6.1
6.1

Hi There!!! ★★★★ (Hospitality B2B booking workflow expert with OTA, API & reconciliation system experience) ★★★★ Project understanding: You need an experienced developer/consultant for a hotel B2B booking and fulfillment platform involving supplier routing, booking lifecycle, VCC workflows, cancellation, settlement and reconciliation. This requires deep hospitality and travel-tech understanding, not just generic development. ⚜ OTA & hotel supplier API integration ⚜ Booking lifecycle architecture ⚜ PMS / CRS workflow understanding ⚜ Payment, VCC & refund flows ⚜ Reconciliation & settlement models ⚜ API routing & availability sync ⚜ Consultation & technical planning I have worked on travel and booking platforms involving hotel APIs, reservation flow, payment processing and backend operational systems. My role included system architecture, API integration, booking status handling and business logic optimization for scalable workflows. I am comfortable starting with a paid consultation/trial task to review lifecycle gaps, edge cases and reconciliation logic before development begins. I work mainly with PHP, MySQL, API integrations and scalable backend design. Lets discuss your current architecture and business flow in detail. Warm Regards, Farhin B.
$15 USD in 40 days
6.5
6.5

United States
Member since May 14, 2026
$10-30 USD
$30-250 USD
£20-250 GBP
£1500-3000 GBP
₹600-5000 INR
₹400-750 INR / hour
₹12500-37500 INR
min ₹2500 INR / hour
₹1500-12500 INR
$50-750 NZD
$250-750 USD
$30-250 USD
$30-250 USD
$750-1500 USD
$20000-50000 AUD
₹400-750 INR / hour
$10-30 USD
$30-250 USD
$30-250 USD
$2-8 USD / hour