TTNC is a multi-award-winning Communications Provider based in Chelmsford, Essex.
Daxx is looking for a Senior Telephony/VoIP Engineer to join the TTNC development team in Dnipro/Kharkiv/Lviv/Kyiv/remote.

Project description:
TTNC is a multi-award-winning Communications Provider based in Chelmsford, Essex.

Founded in 2004, we provide Virtual Numbers, Call Management, Cloud PBX, SIP Trunks, SMS & Call Tracking Services to over 16,000 businesses that range from sole-traders and small businesses, through to large corporations and agencies.

TTNC started from a desire to put power and flexibility into the hands of the customer. We continue to put our customers first and ensure we provide a fair, honest service with no hidden surprises.

Leading the design and development of our telephony platform
Developing new features and enhancements to existing VoIP services
Responding to escalated support queries
Maintain our VoIP network
Monitor the network to ensure a high level of uptime
Monitor and analyse traffic usage pattern

3+ years’ professional experience with FreeSWITCH
3+ years’ professional experience with an SBC (Kamailio/OpenSIPS)
Experience working with FreeSWITCH’s ESL
Developing FreeSWITCH modules (ideally in LUA)
Protocols; SIP, RTP, SRTP, DNS
Debugging SIP applications with tools like Homer, tcpdump, wireshark, sngrep
Monitoring tools such as Centreon and Prometheus
Developing scripts in PHP
Databases (Mariadb, etcd, redis)
Git or similar version control
Good command of English

Will be a plus:
These skills would be nice to have but not essential.

Experience writing REST APIs
Firewalls and VPN

Daxx offers:
Direct cooperation with the customer
Dedicated HR / Client Manager
Competitive salary, medical insurance, 20 working vacation days
Regular corporate events, team buildings, etc.

About Daxx

Daxx is a Dutch IT company that offers dedicated team IT services to international IT companies.

Founded in 1999 and headquartered in the Netherlands, Daxx has offices in Kyiv, Kharkiv, and Dnipro employing over 400 staff. Daxx offers an exciting and comfortable environment to work in with interesting clients and interesting projects.

Company website:

DOU company page:

Job posted on 1 June 2021
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