Dave Stephens Email & Phone Number

North Vancouver, BC, CA

• Team Lead/Senior Engineer. PMC Sierra is an industry leader in providing Optical and Storage Network solutions. The team develops configuration software for a 10G, 40G, and 100G Optical Transport Network card capable.
• Worked as a team-lead managing the Software OTN maintenance releases.
• Responsible for assigning issues, reviewing fixes, prioritizing issues.
• Handled all aspects of release schedule, writing release notes, and patches as required
• Worked with Product Line Management team prioritizing customer issues and ensuring timely delivery of solutions.
• Currently completing development of SW redundancy solution for latest generation OTN device.

Burnaby, British Columbia, Canada

RadiSys develops hardware and software for a best-of-breed Voice over IP media server. The media server provides SIP/VoiceXML/MSML, MGCP, and H.248 interfaces for audio and video announcement, recording, conferencing, and DTMF services for media-enabled networks. Specific AccountabilitiesTeam scheduling and work assignmentsSystem, component, and feature.

Back to Back User Agent functionality in a Voice over IP (VoIP) network infrastructure. Wrote requirements, system and detail level design and accountable for the design and development of the project. Apr 2010 - Aug 2010 Accountable for trouble-shooting and verifying capacity requirements for the implementation of IPv6 within the Media Server. Dec 2009.

Responsible for a team of 3 to 6 developing and maintaining VoiceXML, SIP, and the XML-based MSML/MOML protocols.

for the redesign and redevelopment of the media server's VoiceXML subsystem. Managed the project through development, design verification, and delivery to operations, on schedule. Accountable for the design and development of all aspects of the system including writing and getting agreement on the VoiceXML interface, upgrading the VoiceXML interpreter.

VoiceXML subsystem. Assumed management management of the VoiceXML subsystem, developing a four-person team and resolving numerous issues with the subsystem that had arisen in-house and in the field. Took the VoiceXML subsystem from being the most unstable component of the media server to a stable and reliable component.

Test Tool Development. Led a team of 4 to 6 developers developing and managing all test tools used to verify media server requirements and capacity. Developed and managed the development of a multi-threaded load test tool, scripting tool, Media Gateway emulator, and Application Server interacting with a live Media Gateway. Developed and documented the API.

. Researched and developed requirements on H.324m suite of protocols for the purpose of delivering video services over low bandwidth 64 kbit/s channels. Wrote initial drafts of Engineering Requirements. Participated in the design of prototype.

SIP/VoiceXML using MRCP V1 and V2. Managed, wrote requirements for, and participated in the development of ASR and TTS services, using SIP over UDP and RTSP over TCP, and using XML-based languages (VoiceXML and MSML) as the interface. Designed and helped deveop the interworking between the media server DSP and external media server connections.

Managed a team of 4 to 6 developers. Project manager to rewrite the entire VoiceXML code base upgrading for Open Source 2.0 to 3.0. Responsible for requirements, design, development schedule and development of the project adapting the Open Source code based into the Convedia IP Media Server Firmware environment.Project Manager for the integration of ASR.

Burnaby, BC

Led and managed projects to integrate H.248 protocol into the Convedia IP Media Server. Reviewed requirements, wrote high-level design, set schedules and managed the development of the project from start to finished. Spearhead interactions with 3rd party H.248 Protocol Stack vendor resolving numerous issues in the integration of their stack and our.

protocol interface. Wrote and verified project requirements, developed high-level design for all project components. Interacted with and led resolution of issues with third-party H.248 protocol stack, and ensuring stack issues did not jeopardize internal development. Scheduled team members, resolved design constraints and issues.

A former subsidiary of Newbridge Networks, Starvision produced video conferencing software/hardware from the scheduler to the network using narrowband (IP) and broadband (ATM) video processing equipment. Specific AccountabilitiesSystem, component, and feature designProject schedulingEngineering requirementsComponent specification documentsSoftware.

Bachelor Of Science In Computer Science, Compute Science

Bachelor Of Science, Computer Science (Co-Op)