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Remote role increases applicant competition, but niche FreeSWITCH specialization narrows the candidate pool.
VoIP/FreeSWITCH specialization limits transferable backgrounds, requiring telecom-focused experience.
Many mandatory niche technical requirements and explicit FreeSWITCH production experience enforce high strictness.
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Develop and maintain advanced FreeSWITCH modules and applications using Python and ESL scripting, integrating AI-powered features such as conversational IVR and voice recognition.
Architect, debug, and troubleshoot network-level issues including SIP protocol and RTP flows; handle advanced audio streaming with Signalwire Mod.
Containerize and orchestrate FreeSWITCH applications with Docker and Kubernetes to ensure high availability and scalable distributed communications systems.
Minimum 2+ years of professional experience developing FreeSWITCH in production environments with advanced ESL scripting skills.
Proven experience integrating AI and machine learning models with FreeSWITCH (e.g., LLMs, ASR, TTS) and working knowledge of Signalwire Mod for audio streaming.
Strong proficiency in Python 3.x, network debugging tools (tcpdump, Wireshark, SIP analyzers), containerization (Docker), and Kubernetes orchestration.
Deep understanding of VoIP concepts including SIP protocol, RTP, Linux/Unix system administration, REST and gRPC APIs, and database systems (SQL/NoSQL).
Experienced in building real-time, cloud-native telecommunications solutions combining FreeSWITCH with AI, indicating strong domain and technical depth.
Capable of independently architecting and troubleshooting complex distributed communication systems with advanced network diagnostics and container orchestration.
Familiar with integrating third-party AI/ML models and REST/gRPC services to deliver scalable, high-availability voice/video communication platforms.