Web Developer with experience implementing Hospitality Channel Manager

READ CAREFULLY: To apply to this job, we require experience into that specific case. We want to implement a channel manager for the hospitality industry. We are looking for a partner with proven experience that will be able to implement this software starting from our specifications. If you don't know or don't have experience in developing a channel manager, don't apply. We want to create a channel manager using a microservices architecture. Initially, we will have to implement between 5 to 10 channels, starting from the most famous (if you are in the business, you should know...). We require only backend knowledge. No need to have any frontend skills.