We are seeking a highly experienced Asterisk Developer to lead the development and maintenance of our VoIP and cloud-based telephony infrastructure. This role requires deep expertise in Asterisk PBX, SIP protocols, and hands-on experience with Python development and Cloud platforms. You’ll play a pivotal role in building scalable, secure, and high-performance communication systems that integrate seamlessly with modern cloud services.
Responsibilities:
Design, develop, and maintain Asterisk-based telephony systems, including custom dial plans, IVRs, queues, voicemail, and conferencing.
Configure and manage SIP trunks, ISDN trunks, Analog lines
Configure and manage Call routing, failover, codec handling, and system monitoring tools.
Develop integration scripts and services using Python to connect with Asterisk.
Architect and deploy cloud-based telephony solutions, ensuring scalability, reliability, and security.
Troubleshoot and resolve VoIP issues related to call quality, latency, jitter, NAT traversal, and firewall configurations.
Leverage AGI and AMI interfaces to extend and automate Asterisk functionalities
Monitor system performance and availability, and proactively address capacity and performance issues.
Collaborate with DevOps, network, and application teams to ensure smooth end-to-end functionality of telephony services.
Maintain system documentation and contribute to knowledge sharing within the team.
Qualifications:
Bachelor’s degree in Computer Science, Telecommunications, or a related field (or equivalent experience).
5+ years of hands-on experience with Asterisk PBX in production environments.
2+ years of professional Python development experience, ideally in telephony, automation, or backend systems.
3+ years of experience working with cloud platforms (AWS, GCP, or Azure), including deployment, monitoring, and security of VoIP applications.
Strong knowledge of VoIP protocols (SIP, RTP, SRTP, IAX2, DAHDI, WebRTC), codecs, and NAT/firewall handling.
Proficiency in Linux administration and scripting (Bash, Python).
Experience with AGI/AMI scripting, and familiarity with Asterisk CLI tools and logs.
Knowledge of telephony security best practices including encryption, authentication, and fraud mitigation.
Experience integrating Asterisk with relational databases (MySQL/MariaDB/PostgreSQL) and REST APIs.
Familiarity with tools like Wireshark, tcpdump, and SIP debuggers for network-level troubleshooting.
Exposure to Kamailio, or OpenSIPS is a plus.
Job Types: Full-time, Permanent
Benefits:
Health insurance
Paid sick time
Paid time off
Provident Fund
Work from home
Application Question(s):
What is your Notice Period?
Work Location: Remote