Dusan Ilic
@dusanilic
L2 software support engineer specializing in payment systems, root-cause analysis, and SLA delivery.
What I'm looking for
I’m an L2 Software Support Engineer with over 4 years of experience in high-pressure corporate environments. I diagnose complex system issues using SQL, Python, and Java to drive root cause analysis and database troubleshooting.
At NCR Ltd./NCR Voyix, I’ve served as the primary escalation point for advanced payment processing failures, software bugs, and hardware incidents—while maintaining strict SLA targets. I also manage end-to-end payment systems & onboarding for new clients, configuring EMV parameters, credit card processing terminals, and payment gateway integrations.
I bridge the gap between L1 support and development teams by writing and updating internal Knowledge Base (KB) articles for EMV/CC staging procedures, reducing onboarding time and L1-to-L2 escalation rates. I coordinate remote software deployments, POS system configurations, and critical security/compliance patching, and I partner with L3 engineers, network teams, and external banking processors to resolve transaction routing issues.
Experience
Work history, roles, and key accomplishments
L2 Software Support Engineer
NCR Ltd. / NCR Voyix
Jan 2020 - Present (6 years 4 months)
Provided L2 support for payment systems, serving as the primary escalation point for complex onboarding and transaction processing failures while meeting strict SLA targets. Configured EMV parameters, performed SQL/Python-based log analysis for root-cause troubleshooting, authored EMV/CC procedures in the knowledge base, and coordinated remote POS deployments and security patching.
Education
Degrees, certifications, and relevant coursework
SoftUni Serbia
Python Developer, Python Development
2023 - 2023
Completed Python development training at SoftUni Serbia from 2023 to 2023.
Università eCampus
Java Developer, Java Development
2017 - 2018
Studied Java development with a focus on Java Core, SQL database architecture, and GUI applications at Università eCampus from 2017 to 2018.
Nikola Tesla Electrotechnical School
Electrical Technician, Electrical Technician (Multimedia)
2010 - 2014
Completed Electrical Technician of Multimedia studies at Nikola Tesla Electrotechnical School in Belgrade from 2010 to 2014.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
Job categories
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