John Quinlan: Email & Phone Number

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Full-stack Developer at Sezzle|Greater Minneapolis-St. Paul Area, United States

Position:

Full-stack Developer at Sezzle

Location:

Greater Minneapolis-St. Paul Area, United States

View John Quinlan's Email

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Last updated: 2026-06-18

Updated: 2026-06-18

Found email addresses for John Quinlan:

Business emails:

j****q@sezzle.com,

j**n@sezzle.com

Personal emails:

j*******l@gmail.com

Found phones for John Quinlan:

+1-323-***-**61,

+1-870-***-**11

A different John Quinlan?

Work Experience 17 years

Full-stack Developer at Sezzle

Apr 2023 - Current

Technical Support Engineer at Sezzle

Oct 2021 - Apr 2023

Technical Support Specialist at WashCard Systems

Feb 2014 - Oct 2021

Brand Ambassador & Sales Support Representative at Mosaic North America

Mar 2011 - Feb 2014

Premier Client Service Representative at Wells Fargo

Oct 2009 - Feb 2011

John Quinlan started working in 2009, then the employee has changed 3 companies and 4 jobs. On average, John Quinlan works for one company for 3 years 4 months.

Their professional focus is Cash Flow Analysis, Cold Calling, and Cross Brand Conversion across 3 core areas.

John holds HubSpot Sales Software, Workflows Basics, and Cold Emailing certifications.

Education

Bachelor of Science - BS at Metropolitan State University

Bachelor of Science - BS at University of Minnesota

Frequently Asked Questions

What is John Quinlan's email address?

SignalHire found verified email addresses for John Quinlan, both business and personal. Their business email is j****q@sezzle.com, and personal emails include j*******l@gmail.com.

What is John Quinlan's phone number?

SignalHire found multiple verified phone numbers for John Quinlan: +1-323-***-**61, and +1-870-***-**11.

How do I contact John Quinlan at Sezzle?

You can reach John Quinlan 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 Quinlan's professional background?

John Quinlan has 17 years of professional experience. They have held roles including Technical Support Engineer, Technical Support Specialist, and Brand Ambassador & Sales Support Representative at companies such as Sezzle, WashCard Systems, and Mosaic North America. Their education includes Bachelor of Science - BS from Metropolitan State University, and Bachelor of Science - BS from University of Minnesota.

Is John Quinlan's contact information up to date?

Yes. John Quinlan's SignalHire profile was last updated on 18 June 2026, reflecting their current position as Full-stack Developer at Sezzle in Minneapolis, Minnesota, United States.

John Quinlan Namesakes

Name

Company

Position

John Quinlan

Interstate Bearing Systems

Outside Sales Representative

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John Quinlan

N/A Collective

Retired

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John Quinlan

University of Maryland School of Medicine

Medical Student

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