Nov 2021 - Present
AeroLeads people directory · profile
Justin Karneges Email & Phone Number
Fastly Fanout tech lead
at
Fastly
2 work emails found
@fastly.com
2 phones found area 530
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Who is Justin Karneges? Overview
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Quick answer
Justin Karneges is listed as Fastly Fanout tech lead at Fastly, based in San Francisco Bay Area, United States. AeroLeads shows a work email signal at fastly.com, phone signal with area code 530, and a matched LinkedIn profile for Justin Karneges.
Justin Karneges previously worked as Principal Software Engineer at Fastly and Founder & CEO/Engineer at Fanout. Justin Karneges holds Associate Of Arts (Aa) from Irvine Valley College.
Company email context
Email format at Fastly
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{first_initial}{last}@fastly.com
92% confidence
AeroLeads found 2 current-domain work email signals for Justin Karneges. Compare company email patterns before reaching out.
Profile bio
About Justin Karneges
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.
Listed skills include Distributed Systems, Git, Linux, Hunter, and 24 others.
Current workplace
Justin Karneges's current company
Company context helps verify the profile and gives searchers a useful next step.
7 roles
Justin Karneges work experience
A career timeline built from the work history available for this profile.
Founder & Ceo/Engineer
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.
Nov 2011 - Nov 2021
Senior Software Engineer
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.
Aug 2018 - Apr 2020
Founding Cto
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.
Dec 2009 - Sep 2011
Founder & Lead Developer
Psi Im
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.
Apr 2001 - May 2010
Senior Software Engineer
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.
Dec 2006 - Apr 2010
Co-Founder & Lead Engineer
Affinix Software
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.
Aug 1999 - Feb 2002
Team & coworkers
Colleagues at Fastly
Other employees you can reach at fastly.com. View company contacts →
MD
Mark Dionida
Colleague at FastlySan Jose, California, United States
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WM
Wellington Moreira De Lima
Colleague at FastlyJoão Pinheiro, Minas Gerais, Brazil
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RS
Rahul Singh
Colleague at FastlyAlwar, Rajasthan, India
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AM
Akil Murali
Colleague at FastlyPalo Alto, California, United States
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MB
Matt Byerly
Colleague at FastlyWaimea, Hawaii, United States
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KF
Kimberly Finney, Mpa
Colleague at FastlySan Francisco Bay Area, United States
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RM
Robert Mensah
Colleague at FastlyFeni District, Chattogram, Bangladesh
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AB
Ajay Bharadwaj
Colleague at FastlySan Jose, California, United States
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MK
Modassar K.
Colleague at FastlySan Francisco Bay Area, United States
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NC
Nolan Cox
Colleague at FastlyAustin, Texas, United States
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Mark Dionida
Colleague at FastlySan Jose, California, United States
View →
WM
Wellington Moreira De Lima
Colleague at FastlyJoão Pinheiro, Minas Gerais, Brazil
View →
RS
Rahul Singh
Colleague at FastlyAlwar, Rajasthan, India
View →
AM
Akil Murali
Colleague at FastlyPalo Alto, California, United States
View →
MB
Matt Byerly
Colleague at FastlyWaimea, Hawaii, United States
View →
KF
Kimberly Finney, Mpa
Colleague at FastlySan Francisco Bay Area, United States
View →
RM
Robert Mensah
Colleague at FastlyFeni District, Chattogram, Bangladesh
View →
AB
Ajay Bharadwaj
Colleague at FastlySan Jose, California, United States
View →
MK
Modassar K.
Colleague at FastlySan Francisco Bay Area, United States
View →
NC
Nolan Cox
Colleague at FastlyAustin, Texas, United States
View →
2 education records
Justin Karneges education
Associate Of Arts (Aa)
Irvine Valley College
Education record
University Of California, Davis
FAQ
Frequently asked questions about Justin Karneges
Quick answers generated from the profile data available on this page.
What company does Justin Karneges work for?
Justin Karneges works for Fastly.
What is Justin Karneges's role at Fastly?
Justin Karneges is listed as Fastly Fanout tech lead at Fastly.
What is Justin Karneges's email address?
AeroLeads has found 2 work email signals at @fastly.com for Justin Karneges at Fastly.
What is Justin Karneges's phone number?
AeroLeads has found 2 phone signal(s) with area code 530 for Justin Karneges at Fastly.
Where is Justin Karneges based?
Justin Karneges is based in San Francisco Bay Area, United States while working with Fastly.
What companies has Justin Karneges worked for?
Justin Karneges has worked for Fastly, Fanout, Uber, Livefyre, and Psi Im.
Who are Justin Karneges's colleagues at Fastly?
Justin Karneges's colleagues at Fastly include Mark Dionida, Wellington Moreira De Lima, Rahul Singh, Akil Murali, and Matt Byerly.
How can I contact Justin Karneges?
You can use AeroLeads to view verified contact signals for Justin Karneges at Fastly, including work email, phone, and LinkedIn data when available.
What schools did Justin Karneges attend?
Justin Karneges holds Associate Of Arts (Aa) from Irvine Valley College.
What skills is Justin Karneges known for?
Justin Karneges is listed with skills including Distributed Systems, Git, Linux, Hunter, Rest, C, Open Source, and Ajax.
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