Summary
Nicholas Messaritis is a payments-focused technology leader and CTO with over 11 years of experience designing and operating card-issuing and acquiring systems across VISA, Mastercard and AMEX BASE I ecosystems. He combines deep hands-on expertise in C, ISO8583, EMV (VSDC/MCHIP), HSM encryption and INFORMIX/Oracle administration with proven people leadership—managing and mentoring teams through delivery, reviews and promotions. Nicholas has driven technical strategy at EMIs and fintechs (OpenWay, Sepaga, ECOMMBX), bridging low-level payment protocols and high-level product requirements while handling certification and simulator integration work few engineers master. He holds an MPhil in Artificial Intelligence from the University of Edinburgh and brings a rare mix of cryptographic/HSM implementation knowledge and practical deployment experience in POS/ATM environments.
11 years of coding experience
4 years of employment as a software developer
Master’s Degree Artificial Intelligence, Master’s Degree Artificial Intelligence at The University of Edinburgh
Bachelors Computer Science, Bachelors Computer Science at Athens University of Economics and Business
English, Greek