Sinead O'sullivan
Senior Product Manager - Technical at Mastercard
Leinster, Ireland
Summary
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Rockstar🎓
Top SchoolSinead O'sullivan is a Senior Product Manager - Technical with over 6 years of experience shaping product delivery across finance, healthcare, and security sectors, now leading technical product efforts at Mastercard. With a background that spans hands-on QA and technical writing to product ownership, she combines rigorous attention to detail and strong organisational skills with the ability to translate complex technical requirements into clear, user-focused outcomes. She has repeatedly driven cross-functional collaboration—partnering with engineering, UX, and stakeholders—to deliver iterative web and enterprise solutions such as automated underwriting and patient experience platforms. Comfortable in both strategic and executional roles, Sinead brings a pragmatic, data-informed approach to roadmaps and agile delivery. Based in Leinster, Ireland, she pairs deep institutional knowledge from long tenures at Microsoft and industry-focused startups with a knack for building trust across distributed teams.
6 years of coding experience
16 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Griffith College Dublin
Github Skills (16)
windows10
microsoft-graph10
mdt10
microsoft10
compliance8
security8
ata6
documentation-generator3
documentation2
powerbi2
microsoft-store1
install-script1
microsoft-graph-api1
onedrive1
windows-desktop1
Programming languages (1)
Github contributions (5)
Laws0x01/microsoft-365-docs
Feb 2023 - Mar 2023
This repo is used to host the source for the Microsoft 365 documentation on https://docs.microsoft.com.
Contributions:3 pushes in 1 month
siosulli/azure-docs
Feb 2023 - Feb 2023
Open source documentation of Microsoft Azure
Contributions:6 pushes, 1 branch in 1 day
azuremicrosoft-azuremicrosoft
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