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SignalWire

Software Engineer - WebRTC & VoIP

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In-Office
UK
In-Office
UK

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SignalWire is looking for an European-based WebRTC Software Engineer to help support our European expansion. SignalWire offers engineers the opportunity to build new services and systems critical to the success of a dynamic, fast-growing company-- to push forward the boundaries of communication and grow their career as SignalWire grows.

Please note: This role is only available to candidates who live in Europe and do not require sponsorship.

Job Duties:

  • Add new features to SignalWire’s CXML, RELAY, SWML, and Call Fabric products

  • Review peers’ designs and pull requests

  • Provide Tier 3 support for VoIP and WebRTC problems, joining customer calls when needed

  • Create unit and integration tests for CI/CD

  • Work with QA to ensure new features are testable

Qualifications:

  • Must be eligible to work within Europe without sponsorship.

  • Hands-on experience with C programming language

  • Experience extending C language VoIP/WebRTC applications like FreeSWITCH, Asterisk, Janus, Kamailio, OpenSIPS, rtpengine, or coturn

  • Familiarity with Docker and Git

  • Knowledge of WebRTC, SIP, SDP, RTP, SRTP, DTLS-SRTP, ICE, TURN, STUN, RFC2833/RFC4733, G.711

  • Hands-on experience with Typescript/JavaScript a bonus

  • Browser WebRTC API experience a bonus

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