# Vadim Tsyganok

> Principal Software Engineer, Real Time Communications @ Microsoft

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/vadimtsyganok

Making things happen.

Primary expertise: Media (online Video, VoIP) and Mobile at high scale and in the real-time.

I can tell you few fun facts about how internet works

## Work Experience
### Principal Software Engineer @ Microsoft
Jan 2023 – Present
We are building the Intelligent Conversation and Communications Cloud / IC3 (aka backend infrastructure for Skype and Microsoft Teams and other Real Time Communications services including 2nd and 3rd party)

Dealing with efficiency (code, server, infra, … you name it) and ML at various places.

### Software Engineer @ Meta
Jan 2021 – Jan 2023 | Menlo Park, California, United States
Worked at Meta Connectivity solving hard problems in Internet Traffic and relationships with US Telcos: throttling, VoIP traffic flows etc

### Principal Software Engineer @ Broadcom Inc.
Jan 2019 – Jan 2021 | San Jose, California, United States
Worked on Application Performance Monitoring agent.

### Director Of Technology @ Wizeline
Jan 2018 – Jan 2019 | San Francisco Bay Area
Technology Director on Fox Corp account.

### CTO, Co-Founder @ Talkatone (acquired by Ooma Inc.)
Jan 2011 – Jan 2018 | Mountain View, CA
I had built Talkatone.

Founder and CTO (aka technical brain and visionary) of mobile communications startup.

Had built initial prototype of mobile VoIP app in my garage.
Bootstrapped and reached 2M+ monthly active users.

Built revenue streams to reach $5M+ annual revs.

Sold Talkatone to Ooma, Inc. Helped Ooma to go public and dealt with all complexities around this process.

### Director of eng @ 8x8, Inc.
Jan 2008 – Jan 2011
Lead development efforts of 8x8 Virtual Meeting and Unified Communications projects.

### Sr. Software Engineer @ Ooyala
Jan 2007 – Jan 2008
I had built Ooyala.

Long version: worked on core technologies of Ooyala video content management and delivery solution:
* adaptive bitrate video delivery and playback features.
* player load optimizations and hacks.
* analytic data collection and processing.
* cms core framework.
--
Front end is on Flex, most of backend is Ruby On Rails with certain pieces of Java where high performance / control of hadoop (map/reduce) needed.

### Sr. Software Engineer @ PacketMotion
Jan 2007 – Jan 2007

### Sr. Java Developer @ 8x8
Jan 2005 – Jan 2007
Development of realtime java based VOIP server and applications used to route calls and provide other calling and business features like voicemail and recording call details etc.

### Sr. Software Engineer @ SeeBeyond
Jan 2005 – Jan 2005
Implement and enhance Java Transaction System - JTS  (including CORBA layer) implementation of SeeBeyond J2EE runtime server.

Provide expertise and resolve all CORBA-related issues in project.

### Sr. Programmer Analyst (contractor) @ Kaiser Permanente
Jan 2004 – Jan 2005
Java/J2EE, WebShere application for online order processing as well as offline batch processes on 500Gb repository of regulatory documents.

Was a key member of the team.

### Sr. Programmer Analyst (contract) @ Staples
Jan 2004 – Jan 2004
Java/J2EE/WebSphere development of Staples.com

### Software Engineer @ Rocket Software
Jan 1999 – Jan 2004
Sr. developer on IBM QMF for WebSphere project. 

Implemented a number of features like UI, Asynchronous process managing, custom procedure running and asynchronous interactions with the user.

Participated in WebServices design and implementation.


## Education
### MS in Math
Ural State University named after A.M.Gorky


## Contact & Social
- LinkedIn: https://linkedin.com/in/wildvlad

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Source: https://flows.cv/vadimtsyganok
JSON Resume: https://flows.cv/vadimtsyganok/resume.json
Last updated: 2026-04-12