Credgenics- Dialer Engineer/SIP Engineer

We are looking for an experienced Dialer Engineer / SIP Engineer to set up and scale VoIP-based contact center solutions using Asterisk or similar technologies.

Requirements

• 6+ years of hands-on experience with Asterisk, Kamailio/OpenSIPS, FreeSWITCH, or similar VoIP systems.
• Deep knowledge of SIP protocol, RTP, WebRTC, STUN/TURN, and NAT-related issues.
• Experience designing and deploying large-scale dialer systems on cloud infrastructure.
• Solid experience in Linux system administration and shell scripting.
• Familiarity with SBCs (e.g., Acme Packet, Sansay, Audiocodes) and SIP debuggers (sngrep, Wireshark).
• Exposure to call center metrics, DNC lists, retry logic, concurrency management.
• Experience with REST APIs, MySQL/Postgres, and message queues (RabbitMQ/Kafka) is a plus.
• Bonus: Experience with voice biometrics, conversational IVR, AI-based call scoring.