MacIej Nicewicz
Software Engineer @Accertify, Inc.
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WORK HISTORY
Software Engineer @Accertify, Inc.
Initially employed by American Express• Maintain and enhance a large-scale Java-based fraud detectionplatform used.by enterprise clients• One of the primary contributors to the system which detectscustomer abuse using returns data
EDUCATION
University of Chicago
Master’s Degree, Computer Science
University of Chicago
Bachelor's degree, Mathematics, Physics
UCLA
Master’s Degree, Physics
SKILLS
ABOUT MACIEJ NICEWICZ
I am a seasoned software engineer with 10 years of experience building and maintaining backend Java systems across fintech, fraud detection, and enterprise software industries. I have contributed to fraud detection platforms, trading systems, and ERP integrations, with a strong focus on clean architecture, performance, and reliability.
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