3월 2023 - Present
In charged of cash flow system and MPS project development.
Responsible for system analysis, system design, functional development testing and online system maintenance, problems shooting and corrections.
Job scope:
OKMart PA serial connection function testing and correction, transaction monitoring, problem tracking, and development for accounts write-off functions. (completed and lauched).
MPS rewards (coupons, tickets, gash points, etc. ) API function development, cooperate with Funmart department, provide documents concerning relevant API requirements, and support API function development (completed and launched)
Functional development for cash flow system connecting with major e-commerce companies in HK, cooperated with CyberSource/Fiserv to connect PaymentGateway system, conducted system analysis and system design for CyberSource credit card transaction mechanism/Token transaction mechanism, and accounts write-off system (completed and launched)
GPS cash flow system vulnerability scanning, optimization, correction and improvement of items causing system vulnerability, such as XSS (Persistent, Reflected, DOM), XML External Entity Injection, Privacy Violation, etc.