illumy is a stealth startup focused on building the next big thing in cloud communications – Persistent Communications. With a team of former product, technology, and marketing leaders from RingCentral, 8×8, Atlassian, Amazon, BroadSoft, and Avaya, we have a vision for combining email, messaging, voice, video, and phone into a new cloud-based connected software experience available to people around the world.

illumy inc is looking for a Senior Mobile VoIP Application Consultant with a deep background in VoIP (voice & video over IP) to assist our team in technology selection, architecture, development, and implementation. Experience with selecting, building, and integrating SIP stacks into Android and iOS platforms in Java/Kotlin and Swift code base environments. This individual will assist the illumy mobile development team in a consulting role.

Responsibilities:

• Consult/advise our mobile development team with technology selection

• Core expertise in SIP stacks within mobile environments

• Able to get hands on with developing modules and integrating code

• Experience with development and integrating into Android and iOS environments

• Advise for best practices for world-class architecture and code base optimization to deliver a quality experience

• Perform code reviews for code quality, performance, and alignment to requirements

Qualifications & Experience:

• 5+ years of expert level experience with full VoIP stack (voice & video over IP)

• Expert knowledge of dTLS, SIP, RTP, sRTP, and integration with open source back-end services

• Experience with WebRTC and STUN/TURN

• Experience with Android and iOS frameworks and guidelines

• Understanding of Android’s design principles and interface guidelines

• Experience with Java/Kotlin and Swift

• Able to show examples of applications developed

• Experience working with distributed and remote software development teams