Description
Summary We are looking for an experienced Twilio developer to build a reliable, compliance-focused SMS delivery system similar in functionality to platforms such as Launch Control. The system must intelligently queue and throttle outbound SMS messages to protect deliverability, comply with carrier requirements, and reduce the risk of messages being filtered or blocked. Project Requirements The developer should be able to build or configure: SMS message queueing and controlled delivery speeds Adjustable throttling by phone number, campaign, messaging service, and carrier limits Twilio Messaging Services integration A2P 10DLC campaign and phone-number configuration Automatic opt-out handling for STOP, UNSUBSCRIBE, CANCEL, END, and similar keywords Suppression lists to prevent messaging opted-out or restricted contacts Quiet-hour and time-zone controls Message frequency limits per recipient Duplicate-message prevention Delivery-status tracking through Twilio webhooks Monitoring for failed, filtered, blocked, or undelivered messages Automatic pausing when error rates or complaint levels increase Dashboard or reporting showing sent, delivered, failed, opted-out, and queued messages API or CRM integration for uploading leads and initiating campaigns The ability to assign specific local area codes and sending phone numbers to individual properties or markets, so each property only sends messages from its approved local numbers Secure storage and proper handling of contact data Documentation explaining how to operate and maintain the system We are not looking for a basic Twilio SMS setup. We need someone who understands high-volume SMS architecture, carrier compliance, message queueing, deliverability, and the current A2P messaging environment. Experience with Twilio, Telnyx, AWS SQS, Redis, Node.js, Python, PHP, webhooks, CRMs, or similar SMS platforms is preferred. When Applying, Please begin your proposal with the words “Twilio 2026” so we know you carefully reviewed the project.