We are looking for a passionate and talented VoIP Engineer to join a multicultural team (including French, Russian and Romanian) and help us tackle ambitious telecom challenges.

You would be part of a growing tech team of 30+ people that builds a cutting-edge international VoIP network on which relies our SaaS customer interaction management solution. This solution allows our 350+ customers connecting from 30+ countries, among which market leaders, to manage the interactions with their customers across all channels with an innovative unified approach (voice, video, email, social networks).

Our global VoIP network aims at providing the best-in-class voice quality and availability, through scalability, redundancy, automation, monitoring and connections with local telecom operators.
We also have our own telecommunications licenses in several countries (incl. France, Germany) and are expanding to match all countries where we have sales offices (Western Europe for now + the USA in the coming year).

Integrated within a young, dynamic technical team, you will have the following main missions:

• Network design and build to increase performance (high availability, low latency) and automation (service delivery, testing…)
• Design and management of our SIP interconnections with operators across Europe.
• Voice quality monitoring and troubleshooting
• Development of internal tools to automate / offer web self-service for most common tasks

You are:

• Passionate about technology and expert in VoIP
• You wish to join a fast-paced company and a technical team strongly oriented towards open source projects
• As an innovative person by nature, you are eager to learn new technologies and to take up new challenges

You master most of the following technologies and methods:

• VoIP protocols (SIP, RTP, WebRTC)
• Analysis and investigation (logs, IP frames, pcap traces…)
• Shell and Python scripting
• Automation (ansible)
• Monitoring (collectd, grafana, nagios)

Bonus: knowledge of Oracle Acme Packet SBC, Asterisk, FreeSwitch, Kamailio, openSIPS, Hepic

Why join us:

• International environment with teams in 5 countries in Europe (and soon more)
• Work in a demanding (real time, high load) cloud sector mixing application services and telecom
• A pivotal stage in our development with a significant acceleration in our growth

• Call with HR
• Technical test
• Technical call with the Team Lead
• On-site interview with manager and COO