> Markdown version of [/jobs/ext/4509537-staff-messaging-sms-mms-engineer-remote](https://www.wearedevelopers.com/jobs/ext/4509537-staff-messaging-sms-mms-engineer-remote). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Messaging (SMS/MMS) Engineer (Remote) - **Company:** TELEGENT INC. - **Location:** Pleasant Grove, UT, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, Error Codes, Enterprise Messaging Systems, Multimedia Messaging Services, Mobile Virtual Network Operator, Routing, Short Message Service, Kubernetes, Multiplatform, Webhooks, Jasmine - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/staff-messaging-sms-mms-engineer-remote-pleasant-grove-ut--694da1c6-2262-488b-972c-7c6517b28d93 ## About the Role Wireless Multimedia Messaging Service, Short Messaging Service (SMS), Wireless Communications, Application Programming Interface (API), Unified Communications, Mobile Technology, Wireless Multimedia Messaging Service, Multiplatform/Cross-Platform, Messaging Technology, Short Messaging Service (SMS), * 5+ years of experience building or operating SMS / MMS platforms in telecom, MNO, MVNO, or CPaaS environment * Hands-on experience with SMSC/MMSC platforms using SMPP for SMS and MM7 for MMS * Experience implementing and deploying Azure cloud-base platforms * Experience with carrier-grade messaging systems such as Jasmin, Melrose Labs, or similar routing platforms * Designing, implementing and maintain high-availability, multi-regional queue-based Kubernetes cloud-based message traffic routing * Strong understanding of SMPP, MM7, delivery receipts (DLRs), and carrier error codes * Experience integrating with U.S. mobile carrier or global messaging aggregators * Ability to troubleshoot and resolve issues in live production messaging systems * Experience turning SMPP bind modes, throughput limits, and routing priorities * Experience with MMS media hosting, delivery, and content handling experience * Familiarity with AI development workflows and tools is strongly preferred TECHNOLOGIES & TOOLS ## Description We're looking for a Staff Messaging Engineer (SMS/MMS) to own the architecture and reliability of our messaging infrastructure at scale. This is a high-impact individual contributor role: you will shape how SMS and MMS traffic flows across our platform, drive carrier integrations, and set the technical direction for messaging across a distributed team of engineers. This role owns message routing, throughput, delivery reporting, and compliance across U.S. and international networks. WHAT YOU'LL DO * Design, deploy, and operate SMS and MMS routing, delivery, and reporting systems across multiple carriers and messaging hubs * Evaluate, * Configure and maintain SMPP connections for SMS and MM7 interfaces for MMS, including routing, throttling, retries, and failover * Support 10DLC, toll-free, short code, and international messaging workflows * Build and maintain APIs for outbound and inbound messages, delivery receipts (DLRs), and webhooks * Monitor throughput, delivery success, carrier response codes, and system performance * Investigate and resolve deliverability issues, including blocking, filtering, and spam classification * Enforce compliance with CTIA guidelines, opt-in/opt-out rules, and 10DLC requirements * Partner with SIP, network, and customer success teams to support enterprise messaging customers * Maintain technical documentation, routing logic, carrier mappings, and escalation procedures