John Callaghan

John Callaghan

I am an iOS and Android mobile developer with over 8 years experience creating award winning digital content... | Ireland

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Work Experience

Houghton Mifflin Harcourt

Lead Mobile Developer

Sat Sep 01 2012 00:00:00 GMT+0000 (Coordinated Universal Time) — Present

John Callaghan

Freelance HTML5, Mobile, iOS, Flash & Backend Developer & Creative Technologist

Tue May 01 2012 00:00:00 GMT+0000 (Coordinated Universal Time) — Present

Herd

Technical Director

Wed Sep 01 2010 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue May 01 2012 00:00:00 GMT+0000 (Coordinated Universal Time)

Secret Location

Lead Developer & Creative Technologist

Fri Jan 01 2010 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue May 01 2012 00:00:00 GMT+0000 (Coordinated Universal Time)

Mercury Digital

Founder and CTO

Thu Jan 01 2009 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Apr 01 2010 00:00:00 GMT+0000 (Coordinated Universal Time)

O2

Developer

Tue May 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Sep 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time)

Mercury Digital

Director and Content Producer

Mon Jan 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Apr 01 2010 00:00:00 GMT+0000 (Coordinated Universal Time)

University Of Limerick

Lecturer in Digital Video Fundamentals

Fri Sep 01 2006 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Sep 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time)

Ulster Bank

Systems Developer

Sun Jan 01 2006 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue Aug 01 2006 00:00:00 GMT+0000 (Coordinated Universal Time)

Kpmg

Developer

Thu Jan 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Sep 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time)

Lotus Ibm

Systems Tester

Sat May 01 1999 00:00:00 GMT+0000 (Coordinated Universal Time) — Fri Oct 01 1999 00:00:00 GMT+0000 (Coordinated Universal Time)

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