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David O'Reilly Email & Phone Number

Lead System Platform Architect at Mastercard

Location: Dublin, County Dublin, Ireland 1 work role

1 work email found @owenroe.com 2 phones found area 503 LinkedIn matched

✓ Verified Jul 2026 4 data sources Profile completeness 86%

Current company

Mastercard

Role

Lead System Platform Architect

Location

Dublin, County Dublin, Ireland

Company size

42669 employees

Who is David O'Reilly? Overview

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Quick answer

David O'Reilly is listed as Lead System Platform Architect at Mastercard, a with 42669 employees, based in Dublin, County Dublin, Ireland. AeroLeads shows a work email signal at owenroe.com, phone signal with area code 503, and a matched LinkedIn profile for David O'Reilly.

Company email context

Email format at Mastercard

This section adds company-level context without repeating David O'Reilly's masked contact details.

{first}@owenroe.com

86% confidence

AeroLeads found 1 current-domain work email signal for David O'Reilly. Compare company email patterns before reaching out.

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Profile bio

About David O'Reilly

David O'Reilly is a Lead System Platform Architect at Mastercard. He possess expertise in social media, linux, c, computer hardware, windows and 27 more skills. He is proficient in English.

Listed skills include Social Media, Linux, C, Computer Hardware, and 28 others.

Current workplace

David O'Reilly's current company

Company context helps verify the profile and gives searchers a useful next step.

Mastercard

Lead System Platform Architect

Dublin, IE

Website

mastercard.com

Employees

42669

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Company profile

View company profile Email format

1 role

David O'Reilly work experience

A career timeline built from the work history available for this profile.

Lead System Platform Architect

Mastercard

Dublin, Ie

Team & coworkers

Colleagues at Mastercard

Other employees you can reach at mastercard.com. View company contacts for 42669 employees →

Alexander Yao Colleague at MastercardSt Louis, Missouri, United States View → OV

Ojaswee Vidhale Colleague at MastercardPune, Maharashtra, India View → ML

Mariah Levy Colleague at MastercardNew York, United States View → MS

Monica Sharma Colleague at MastercardPune, Maharashtra, India View → PG

Pratiksha Gupta Colleague at MastercardPune, Maharashtra, India View → PR

Priyanka Reddy Colleague at MastercardIrving, Texas, United States View → CH

Christian Hylander Colleague at MastercardAntwerp Metropolitan Area, Belgium View → GM

Geetha Mogulothu Colleague at MastercardMissouri, United States View → PM

Prasoon Mangal Colleague at MastercardDelhi, India View → AA

Angie Adams, Mba Colleague at MastercardGreater St. Louis, United States View →

FAQ

Frequently asked questions about David O'Reilly

Quick answers generated from the profile data available on this page.

What company does David O'Reilly work for?

David O'Reilly works for Mastercard.

What is David O'Reilly's role at Mastercard?

David O'Reilly is listed as Lead System Platform Architect at Mastercard.

What is David O'Reilly's email address?

AeroLeads has found 1 work email signal at @owenroe.com for David O'Reilly at Mastercard.

What is David O'Reilly's phone number?

AeroLeads has found 2 phone signal(s) with area code 503 for David O'Reilly at Mastercard.

Where is David O'Reilly based?

David O'Reilly is based in Dublin, County Dublin, Ireland while working with Mastercard.

What companies has David O'Reilly worked for?

David O'Reilly has worked for Mastercard.

Who are David O'Reilly's colleagues at Mastercard?

David O'Reilly's colleagues at Mastercard include Alexander Yao, Ojaswee Vidhale, Mariah Levy, Monica Sharma, and Pratiksha Gupta.

How can I contact David O'Reilly?

You can use AeroLeads to view verified contact signals for David O'Reilly at Mastercard, including work email, phone, and LinkedIn data when available.

What skills is David O'Reilly known for?

David O'Reilly is listed with skills including Social Media, Linux, C, Computer Hardware, Windows, Software Installation, Operating Systems, and Networking.

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