John Chang

John Chang: Email & Phone Number

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Software Developer at OneBook|Pomona, California, United States

Position:

Software Developer at OneBook

Location:

Pomona, California, United States

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Last updated: 2026-06-11
Updated: 2026-06-11

Found email addresses for John Chang:

Business emails:
Personal emails:
c*********4@gmail.com,
k***************l@gmail.com

Found phones for John Chang:

+1-480-***-**78
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Work Experience 10 years

Software Developer at OneBook

Jul 2022 - Current

Marketing Customer Service at AmicogenPacific USA Inc.

Jul 2019 - Mar 2020

Software Developer at Redwood Technology Academy

May 2018 - Aug 2018

Software Developer at Technossus, USA

Jul 2018 - Jul 2018

Shift Manager at Paris Baguette North America

Jan 2016 - Jan 2018

John Chang started working in 2016, then the employee has changed 4 companies and 2 jobs. On average, John Chang works for one company for 1 year 4 months.

Their professional focus is Cascading Style Sheets (CSS), Firebase, and HTML5 across 3 core areas.

Education

Associate of Science - AS at Mt. San Antonio College

Frequently Asked Questions

What is John Chang's email address?

SignalHire found verified email addresses for John Chang, both business and personal. Their business email is j**n@onelink.to, and personal emails include s****g@eudoramail.com, c*********4@gmail.com, and k***************l@gmail.com.

What is John Chang's phone number?

SignalHire found multiple verified phone numbers for John Chang: +1-909-***-**19, and +1-480-***-**78.

How do I contact John Chang at OneBook?

You can reach John Chang 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 John Chang's professional background?

John Chang has 10 years of professional experience. They have held roles including Marketing Customer Service, Software Developer, and Software Developer at companies such as AmicogenPacific USA Inc., Redwood Technology Academy, and Technossus, USA. Their education includes Associate of Science - AS from Mt. San Antonio College.

Is John Chang's contact information up to date?

Yes. John Chang's SignalHire profile was last updated on 11 June 2026, reflecting their current position as Software Developer at OneBook in Calgary, AB, Canada.

John Chang Namesakes

Name
Company
Position
John Chang
CIP Practice Lead/CIP Specialist
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John Chang
Director, Clinical Consulting, Evidence-Based Medicine
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John Chang
Project Manager, Direct Investor Business
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