Senior VoIP / SIP Developer (Fully Remote)

Jobgether SRL; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Jobgether in the United States seeks a VoIP backend engineer to build intelligent call routing, integrating telecom operators and optimizing cost, quality and availability.

You will develop SIP/VoIP routing with Kamailio/OpenSIPS, create backend services in Python/Node.js with PostgreSQL, and deploy on Linux, Docker and cloud platforms. Fully remote work with strong technical ownership.

Qualifications

• Proven production SIP/VoIP experience with Kamailio/OpenSIPS.
• Backend development in Python or Node.js/TypeScript.
• Experience with PostgreSQL and Linux/Docker/cloud.

Responsibilities

• Develop SIP/VoIP routing and failover.
• Build backend services with Python/Node.js, PostgreSQL.
• Deploy on Linux/Docker/cloud.

Skills

SIP/VoIP

Kamailio/OpenSIPS

Python

Node.js/TypeScript

PostgreSQL

Linux

Docker/Cloud

Tools

Kamailio/OpenSIPS

Job description

• Full-time remote role on an international voice communication project.
• You will build intelligent call routing that integrates telecom operators and optimizes cost, quality, and availability.

Responsibilities:

• Develop SIP/VoIP routing and failover with Kamailio/OpenSIPS.
• Build backend services with Python/Node.js, PostgreSQL, and deploy on Linux/Docker/cloud.

Qualifications:

• Proven production SIP/VoIP experience with strong Kamailio or OpenSIPS skills.
• Professional backend development in Python or Node.js/TypeScript, plus PostgreSQL and Linux/Docker/cloud.

Jobgether

They are an international technology project focused on building reliable and intelligent voice communication infrastructure. The team operates fully remotely with a high level of technical ownership and autonomy.