John Reilly is an experienced software engineer based in Auckland with 21 years building client-server payments systems, EFTPOS terminals, and PCI-compliant key injection tooling. He specializes in C#, EMV/payments integration, automated builds and testing, and version control strategy, and has delivered auditable solutions across startups and payment processors including Assembly Payments and SmartpayCadmus. Comfortable as both a senior developer and contract engineer, John has a long track record of turning security-sensitive requirements into reliable, production-grade software. A pragmatic engineer with a radio-technical background, he brings hardware-aware thinking to payments software and a knack for operationalizing secure development workflows.
21 years of coding experience
29 years of employment as a software developer
Radio Technicians Certificate, Radio Technicians Certificate at Wellington Polytech
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