Payment Processing Support Engineer (SmartVista)

Responsibilities:

• Maintenance of in-house systems of the in-house Card Processing platform (SmartVista)
• Demonstrate proficiency in troubleshooting and resolving issues across all SmartVista modules, conducting thorough root cause analyses, and implementing effective remedial actions
• Escalate cases to internal teams in a timely manner, adhering to established benchmarks and requirements
• Develop and implement fixes or workarounds to ensure business and processing continuity, while carefully evaluating the implications and risks of each alternative solution
• Online monitoring and performance approval rate, analysis of system events - logs, etc
• Lead the resolution of client problems alongside team members
• Customization of the business rules of the system in accordance with the requirements of internal customers
• Installation of authorization system releases
• Participation in the preparation of technical requirements for updating the system
• Interaction with external vendors and partners in the technical part
• Automation of routine: file sharing, reporting for regulators, etc
• Setting up emulators of payment systems

Requirements:

• 3+ years of experience supporting card processing systems (experience with BPC SmartVista is considered a significant advantage), including maintenance, troubleshooting, and performance monitoring.
• Strong understanding of the authorization and clearing processes in card payment systems.
• Knowledge of e-commerce payment systems and methods, including EMV 3-D Secure, recurring transactions, and other E-commerce-specific protocols.
• Advanced user of Linux, with hands-on experience in system operations, scripting, and troubleshooting.
• Proficient in PL/SQL, with the ability to write SQL scripts, including writing CRUD queries and medium-complexity stored procedures for data manipulation and system tasks.
• Skilled in at least one scripting programming language: Perl, Python, or Groovy, enabling automation and system integration.
• Experience in installing system updates, performing post-release monitoring, and managing the stability of live systems.
• Solid knowledge of encryption principles and PCI DSS security standards applicable to payment systems.
• Familiarity with the HTTP application layer protocol and web services integration (e.g., REST, SOAP).
• Knowledge of Java programming is an advantage
• Understanding of core card technologies, including EMV, PayWave, magnetic stripe cards, and Thales HSMs.

Will consider as a plus:

• Experience with various testing tools such as MAS, VTS, and others.
• Hands-on experience with clearing exchanges for major payment systems, including MasterCard File Express and Visa Edit Package.
• Solid understanding of the ISO 8583 protocol used for financial transaction messaging
• Experience working with Oracle WebLogic for application deployment and management.
• PL/SQL Developer, Bash, Python — for database work, automation, and scripting tasks.
• Tools such as Postman and SOAP UI for testing and validating APIs and web services
• Experience with automated tools for system testing and deployment (e.g., CI/CD pipelines, test automation frameworks).

We offer:

• Attractive monthly salary paid in line with experience
• Vacation, sick, and paid holidays
• Flexible working hours
• Full-time: 5/2
• Modern workplace with all necessary equipment
• A team of top international professionals to learn from
• Multicultural working environment