Asterisk VoIP Developer

The Job:

Asterisk VoIP Developer

What Youll Be Doing:

• Maintain and improve existing code and Asterisk addons


• Tune Asterisk performance, including CPU, memory usage, I/O


• Ensure VoIP systems availability and performance, proactive monitoring, and tuning


• Develop new third party integrations, from automation APIs to media stream mux


• Create and maintain dial plans


• Manages and monitors installed systems, Networks, and infrastructure for the organization to be in line with company guidelines or SOP (standard operating procedure).


• Provide ongoing support and maintenance for the Asterisk module as needed.


• Provide and communicate the best practices and specific detailed information for network hardware and software selection


• Provide planning for future capacity requirements


• Provide documentation as required to ensure accurate and current information is available


• Assists in the coordination of various teams testing and evaluating for the development of design and its implementation including network hardware and software selection, including present and future capacity requirements.


• Installs, configures, and tests operating systems, application software, and system management tools.


• Ensures the highest level of systems and infrastructure availability.


• Evaluate the existing systems and provide the technical direction to support staff.


• Willing to stay up-to-date with security best practices and drive implementation accordingly


• Collaborates with other professionals to ensure high-quality deliverables within organization guidelines, policies, and procedures.


• Run diagnostics to resolve customer-reported issues


• Deals with work process, optimization methods, and risk management tools in the given projects for successful accomplishments according to the requirements of the stakeholders

Who You Are:

• At least 2 years of experience in Asterisk system development, with a focus on module development and reporting tool customization


• Solid experience in C & C++ based multithreaded application development; minimum 5 years of experience


• Experience in development and troubleshooting in a Linux environment based on pthreads and locking primitives


• Experience in development on on a major asterisk module and Asterisk 11


• Comfortable with gdb or equivalent and debugging problems associated with real time, multithreaded applications


• Experience with common linux C development tools such as well as profiling tools such as valgrind and gprof


• Experience working with AGI


• Wide knowledge of Real Time Communication protocols and technologies and stacks (SIP, SDP, WebRTC/RT, SRTP)


• Experience with MySQL Asterisk system development


• Strong experience with Wireshark and telephony protocol dissectors


• Experience with Python, Github, Atlassian tools (JIRA and Confluence), Jenkins/CircleCi would be helpful


• Experience with monitoring systems (Prometheus, Zabbix, )


• The candidate will need to be capable of quick and efficient self-study supported by peers on the Asterisk team


• Solid scripting skills (e.g., shell scripts, Perl / Ruby / Python)


• Proven working experience in installing, configuring, and troubleshooting UNIX/Linux-based environments.


• Strong troubleshooting skill in different network layers, esp. layer 2 & layer 3 up to layer 7


• Solid experience in the administration and performance tuning of application stacks (e.g., Tomcat, Apache, Nginx, Haproxy or Env )


• Experience with automation software (e.g., Puppet, cfengine, Chef, Ansible or Salt) (is a plus)


• Strong work ethic and communication skills both spoken & written


• Flexibility to work a variety of shifts with availability to work overtime


• BS/MS degree in Computer Science, Engineering or a related subject

Work Perks Worth The Hype:

• 100% covered premiums for employees + dependents (spouse + up to four children)


• PTO, Paid Sick Time, Holidays


• Your birthday off


• Monthly credits toward food & beverage


• Employee referral bonus


• And a team of highly experienced and kind colleagues!