Jack Giannini
Senior Backend Engineer at Sinch Mailgun
Atlanta Metropolitan Area United States
Summary
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Senior🎓
Top SchoolJack Giannini is a Senior Backend Engineer with nine years of experience building and modernizing backend systems across fintech, payments, POS, and government SaaS. He combines strong mathematics and financial modeling experience with hands-on expertise in Go, C#, .NET, React, PostgreSQL, and MongoDB to deliver cloud-native APIs and scalable architectures. Jack has repeatedly led platform refactors and integrations—connecting payment processors, Salesforce, and POS systems—while keeping delivery momentum and improving developer velocity. He’s operated in both senior IC and leadership roles, mentoring teams and defining engineering best practices during critical transitions. Based in the Atlanta area, he pairs practical delivery instincts with a background in credit analysis, giving him uncommon domain fluency in financial risk and product engineering.
8 years of coding experience
8 years of employment as a software developer
Bachelor's of Music Jazz Piano Performance, Bachelor's of Music Jazz Piano Performance at Loyola University New OrleansComputer Science & Mathematics Coursework (3.88 GPA), Computer Science & Mathematics Coursework (3.88 GPA) at Georgia State UniversityComputer Science Master's Program, Computer Science Master's Program at Baylor UniversityGithub contributions (5)
Jack4Code/HotelProject
Sep 2021 - Dec 2021
Contributions:62 commits, 55 pushes, 7 branches in 3 months
Jack4Code/ChessEngineTruboCabla
Apr 2019 - Aug 2019
Contributions:20 pushes, 1 branch in 4 months
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