Lever, Inc. seeks an experienced Senior VoIP/SIP Developer to design and implement advanced call-routing systems for a production telecom platform. You will work on intelligent routing, operator integrations, and robust SIP infrastructure in a fully remote, international team.
You will apply Python and/or Node.js/TypeScript to backend services, while leveraging Kamailio/OpenSIPS, PostgreSQL, Linux, and Docker in a scalable cloud environment. Strong autonomy and problem-solving are essential.
📌 Senior VoIP (México)
🏢 Lever
📍 México
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