Senior Asterisk Developer

Location:

About the Role

Senior Telephony / Asterisk Developer

Key Responsibilities

Telephony Platform Development

• Design and build scalable telephony platforms using

  Asterisk, Freeswitch, FusionPBX

• Develop advanced IVR flows, click-to-call, missed-call services, telesurveys, televoting, and conferencing applications.

System Architecture & Platform Ownership

• Own complete platform lifecycle including installation, monitoring, sanity checks, alerting, logging, and optimization.
• Design and integrate platform components like

  Redis, Kafka, Fluentd, Kafka consumers , PostgreSQL, MySQL

Scripting & Application Development

• Develop and maintain telephony engines such as:

• IVREngine (Lua)

• CDREngine

• ESL-based modules
• Create dialplans, AGI/FastAGI scripts, and custom call flows using

  Lua, Shell scripting, C, and Asterisk INI

  languages

VoIP Protocols & Call Handling

• Ensure high reliability and performance across SIP call flows, RTP media handling, call transfers, conferencing, callbacks, aux states, time-conditions, and holiday calendars.

Deployment & Operations

• Perform Linux server setup, configuration, and performance tuning.
• Handle installation of telephony infrastructure including

  PRI/E1, DAHDI, telephony cards (e.g., Digium TE121)

  where needed

Integration & API Development

• Work with REST APIs and integrate with external services for call initiation, event handling, and platform automation.

Required Skills & Expertise

Technical Skills

• Strong experience in

  Asterisk

  .
• Proficiency in

  SIP

  protocol, VoIP architecture, media handling.
• Hands-on experience with scripting languages:

  Lua, Shell, Golang, C

• Experience with

  Kafka, Redis, Fluentd, PostgreSQL, MySQL

  .
• Familiarity with

  Kamailio/OpenSIPs

  is a plus
• Strong Linux administration experience.

Additional Competencies

• Ability to design scalable CPaaS/telephony solutions from scratch.
• Strong debugging and troubleshooting skills across SIP, RTP, ESL, and backend services.
• Knowledge of platform-level monitoring, alerting, and logging systems.
• Understanding of agile development and CI/CD workflows.

Preferred Qualifications

• Bachelors Degree in

  Electronics & Communication Engineering

  or related field .
• Experience in telecom product companies or contact-center technology environments.

Why Join SmartConnect Technologies?

• Work on large-scale telephony and CPaaS platforms.
• Opportunity to lead architecture and design for advanced communication products.
• Collaborative environment with cutting-edge open-source telecom technologies.