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John Jefferies Email & Phone Number
Principal Software Engineer
at
Global Graphics Software
1 work email found
@globalgraphics.com
4 phones found area 758 and 195
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Principal Software Engineer
Location
Stockport, England, United Kingdom
Who is John Jefferies? Overview
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Quick answer
John Jefferies is listed as Principal Software Engineer at Global Graphics Software, based in Stockport, England, United Kingdom. AeroLeads shows a work email signal at globalgraphics.com, phone signal with area code 758, 195, and a matched LinkedIn profile for John Jefferies.
John Jefferies previously worked as Core Technology Group Manager at Global Graphics Software Ltd and Software Developer at Global Graphics Software Ltd. John Jefferies holds B.Sc., Physics from The University Of Birmingham.
Company email context
Email format at Global Graphics Software
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{first}.{last}@globalgraphics.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Jefferies. Compare company email patterns before reaching out.
Profile bio
About John Jefferies
• 26 years experience of developing the Harlequin RIP, software for interpreting PDLs commonly used in printing, esp. PostScript, PDF, XPS.• Expert knowledge of colour management, including the minutiae of the ICC specification for the exchange of colour between devices such as cameras and printers. I've designed and developed most of the colour related technology in the Harlequin RIP.• Expert in software performance, as in, making software run faster.• Managed the core technology group of developers for 10 years.Specialties: PostScript, PDF, and XPS.Colour management.Software development.
Listed skills include Pdf, Software Engineering, Postscript, Color Management, and 9 others.
Current workplace
John Jefferies's current company
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5 roles · 32 years
John Jefferies work experience
A career timeline built from the work history available for this profile.
Principal Software Engineer
Current
2010 - Present
~16 yrs 5 mos
Core Technology Group Manager
2001 - 2010
~9 yrs
1999 - 2001
~2 yrs
Software Developer
Harlequin
Postscript RIP software development.The company became Global Graphics in 1999
1994 - 1999
~5 yrs
1 education record
John Jefferies education
FAQ
Frequently asked questions about John Jefferies
Quick answers generated from the profile data available on this page.
What company does John Jefferies work for?
John Jefferies works for Global Graphics Software.
What is John Jefferies's role at Global Graphics Software?
John Jefferies is listed as Principal Software Engineer at Global Graphics Software.
What is John Jefferies's email address?
AeroLeads has found 1 work email signal at @globalgraphics.com for John Jefferies at Global Graphics Software.
What is John Jefferies's phone number?
AeroLeads has found 4 phone signal(s) with area code 758, 195 for John Jefferies at Global Graphics Software.
Where is John Jefferies based?
John Jefferies is based in Stockport, England, United Kingdom while working with Global Graphics Software.
What companies has John Jefferies worked for?
John Jefferies has worked for Global Graphics Software, Global Graphics Software Ltd, and Harlequin.
How can I contact John Jefferies?
You can use AeroLeads to view verified contact signals for John Jefferies at Global Graphics Software, including work email, phone, and LinkedIn data when available.
What schools did John Jefferies attend?
John Jefferies holds B.Sc., Physics from The University Of Birmingham.
What skills is John Jefferies known for?
John Jefferies is listed with skills including Pdf, Software Engineering, Postscript, Color Management, Software Development, Software Design, C, and Linux.
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