Danny Gallagher
Senior Software Engineer at Mastercard
Greater Dublin Ireland
Summary
👤
Senior🎓
Top SchoolDanny Gallagher is a Senior Software Engineer with seven years of experience focused on backend development, currently contributing to Mastercard's API team in Dublin. A DCU Enterprise Computing graduate, he has progressed through successive engineering roles at Mastercard from intern to senior engineer, demonstrating deep domain knowledge of payment APIs and enterprise systems. He enjoys learning new technologies and brings a pragmatic, hands-on approach to building reliable backend services and integrations. Early career highlights include winning a Mastercard hackathon and participating in the company's CoderDojo outreach, reflecting both technical skill and community engagement. Based in Greater Dublin, he combines steady production experience with a curiosity for emerging tools and pragmatic problem solving.
7 years of coding experience
4 years of employment as a software developer
Leaving Certificate, Leaving Certificate, Leaving Certificate, Leaving Certificate at Pobailscoil GweedoreBachelor's degree, Enterprise Computing, Bachelor's degree, Enterprise Computing at Dublin City University
Irish, English
Github Skills (28)
decryption10
signature10
java10
mastercard10
api10
payload10
jwe10
nodejs10
openapi10
encryption10
visa9
javascript9
oauth9
python8
php8
Programming languages (8)
Github contributions (5)
Mastercard/client-encryption-python
Nov 2020 - Jan 2023
Library for Mastercard API compliant payload encryption/decryption.
Contributions:14 releases, 5 reviews, 24 commits in 2 years 2 months
apipythonfield-level-encryptioncompliantpayload
danny-gallagher/oauth1-signer-csharp
Nov 2020 - Nov 2020
Zero dependency library for generating a Mastercard API compliant OAuth signature.
Contributions:35 pushes in 9 days
apizerocompliantsignatureoauth2
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