SharePoint 2013 - Add Remote Event Receiver Programmatically

Below is sample code of associate a remove event receiver to a list in the host web.  This is assuming that you have already add the remote event receiver in the project.

public SPRemoteEventResult ProcessEvent(SPRemoteEventProperties properties)
        {
            SPRemoteEventResult result = new SPRemoteEventResult();

            if (properties.EventType == SPRemoteEventType.AppInstalled)
            {
                using (ClientContext clientContext = TokenHelper.CreateAppEventClientContext(properties, false))
                {
                    if (clientContext != null)
                    {
                        EventReceiverDefinitionCreationInformation eventReceiver = new EventReceiverDefinitionCreationInformation();
                        eventReceiver.EventType = EventReceiverType.ListAdded;
                        eventReceiver.ReceiverAssembly = Assembly.GetExecutingAssembly().FullName;
                        eventReceiver.ReceiverClass = "RCEventReceiverWeb.Services.RCListRemoteEventReceiver";
                        eventReceiver.ReceiverName = "RCListRemoteEventReceiverListAdded";
                        eventReceiver.ReceiverUrl = "https://rchen.com/rceventreceiver/Services/RCListRemoteEventReceiver.svc";                                                  
                        eventReceiver.SequenceNumber = 1000;                      

                        Web web = clientContext.Web;

                        web.EventReceivers.Add(eventReceiver);
                        clientContext.ExecuteQuery();
                    }
                }              
            }
         

            return result;
        }