# Justin Karneges

> Fastly Fanout tech lead

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

Application developer with a range of experience, from small embedded platforms to large clustered network architectures. Skilled in designing client/server systems and realtime protocols. Proponent of open source and open standards. Loves challenges and seeing projects through.

## Work Experience
### Principal Software Engineer @ Fastly
Jan 2021 – Present | San Francisco, California, United States
Working on Fanout.

### Founder & CEO/Engineer @ Fanout
Jan 2011 – Jan 2021 | Mountain View, CA
Built company from nothing to functional product with paying customers. Responsible for business planning/development, product design/development/direction (of realtime data push software and cloud services), network operations, fundraising, hiring, customer support, content marketing, event planning, speaking at events, and managing a small team (~6 people). Fanout was acquired by Fastly.

### Senior Software Engineer @ Uber
Jan 2018 – Jan 2020 | San Francisco, California, United States
Worked in the Infrastructure organization on the "Metal" software platform. Designed and developed internal gRPC/thrift API service in Go for managing physical server assets and configuration. Coordinated with internal API consumers and server/datacenter administrators.

### Founding CTO @ Livefyre
Jan 2009 – Jan 2011 | San Francisco, CA
Designed, built, and directed the development of Livefyre, a cloud-based commenting platform. Met with investors. Interviewed prospective employees. Coordinated with customers and partners. Livefyre was later acquired by Adobe.

### Founder & Lead Developer @ Psi IM
Jan 2001 – Jan 2010
Developed networking and multimedia software for Windows, Mac OS X, and Linux platforms using C/C++ and Qt. Cultivated a community of open source contributors. Managed scheduling and releases. Psi received sponsorship from RealNetworks, Portugal Telecom, Barracuda Networks, and Google.

### Senior Software Engineer @ Barracuda Networks
Jan 2006 – Jan 2010 | Campbell, CA
Maintained the Barracuda IM desktop application (a derivative of Psi) for the Barracuda IM Firewall product. Developed enterprise integration features, Voice over IP functionality, and themed user interface.

### Co-Founder & Lead Engineer @ Affinix Software
Jan 1999 – Jan 2002 | Huntington Beach, CA
Started first company at age 19. Developed for the Game Boy Color platform, using C and Z80 assembly language. Managed a team of 5. Coordinated with Nintendo and third-party licensees.


## Education
### Associate of Arts (AA)
Irvine Valley College

### University of California, Davis


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

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