Justin Mager

Justin Mager: Email & Phone Number

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Senior Software Engineer at OneSignal|Cheney, Washington, United States

Position:

Senior Software Engineer at OneSignal

Location:

Cheney, Washington, United States

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Last updated: 2026-05-24
Updated: 2026-05-24

Found email addresses for Justin Mager:

Business emails:
j**********r@openenergysolutions.com,
j****r@onesignal.com
Personal emails:
j***@yahoo.com

Found phones for Justin Mager:

+1-520-***-**57,
+1-623-***-**03
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Work Experience 21 years

Senior Software Engineer at OneSignal

Oct 2025 - Current

Principal Engineer at Open Energy Solutions Inc

Oct 2023 - Jun 2025

Senior Software Engineer at Open Energy Solutions Inc

Oct 2019 - Oct 2023

Software Engineer at ENGIE Impact

Jun 2016 - Oct 2019

Senior Web Developer at 14Four

Apr 2012 - Jun 2016

Software Engineer at DigiDeal Corporation

Dec 2006 - Apr 2012

Information Technology Specialist at Eastern Washington University

Jan 2005 - Dec 2006

Justin Mager started working in 2005, then the employee has changed 5 companies and 4 jobs. On average, Justin Mager works for one company for 3 years.

Their professional focus is .NET Core, Agile Project Management, and Artificial Intelligence (AI) across 3 core areas.

Education

Master of Science - MS at Eastern Washington University

Bachelor of Science - BS at Eastern Washington University

Frequently Asked Questions

What is Justin Mager's email address?

SignalHire found verified email addresses for Justin Mager, both business and personal. Their business email is j****n@onesignal.com, and personal emails include j***@hotmail.com, and j***@yahoo.com.

What is Justin Mager's phone number?

SignalHire found multiple verified phone numbers for Justin Mager: +1-870-***-**10, +1-520-***-**57, and +1-623-***-**03.

How do I contact Justin Mager at OneSignal?

You can reach Justin Mager through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Justin Mager's professional background?

Justin Mager has 21 years of professional experience. They have held roles including Principal Engineer, Senior Software Engineer, and Software Engineer at companies such as Open Energy Solutions Inc, Open Energy Solutions Inc, and ENGIE Impact. Their education includes Master of Science - MS from Eastern Washington University, and Bachelor of Science - BS from Eastern Washington University.

Is Justin Mager's contact information up to date?

Yes. Justin Mager's SignalHire profile was last updated on 24 May 2026, reflecting their current position as Senior Software Engineer at OneSignal in San Mateo, California, United States.

Justin Mager Namesakes

Name
Company
Position
Justin mager
My Contractors License (Great Southern Seminars) (MyContractorsLicense.com)
Chief Technology Officer
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