Summary
Charles Qian is a senior software engineer with eight years of professional experience and six years focused in the payments industry, currently leading a six-person technical team at Castles Technology. He combines hands-on development in C, C++, Java, and Python with project management responsibilities, driving POS terminal and ICC card certification efforts through his working knowledge of PCI and EMV standards. His background in applied mathematics from the University of Sydney underpins a pragmatic approach to database design, data encryption, and telecommunications challenges common in payments. Fluent in Mandarin, Cantonese, Shanghainese, and English, he navigates cross-cultural stakeholder communication across R&D and certification workflows. Prior roles ranging from C++ development to assistant management reflect a blend of technical depth and operational leadership useful for delivering compliant, secure payment solutions.
8 years of coding experience
7 years of employment as a software developer
The University of Sydney