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Dusan Ilic

@dusanilic

L2 software support engineer specializing in payment systems, root-cause analysis, and SLA delivery.

Serbia
Message

What I'm looking for

I’m looking for a role where I can own L2 payment incidents, run SQL/Python root-cause analysis, and partner with engineering to keep SLAs high and system availability strong.

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

NV

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 logoSS

SoftUni Serbia

Python Developer, Python Development

2023 - 2023

Completed Python development training at SoftUni Serbia from 2023 to 2023.

Università eCampus logoUE

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.

NS

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.

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