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Anton Siamionau
Senior Business Analyst @Mastercard
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WORK HISTORY
Senior Business Analyst @Mastercard
Warsaw, PL
Owned end-to-end business analysis for payment processing enhancements, covering discovery, impact analysis, solution design, requirements documentation, and implementation support.• Converted business, operational, and regulatory requirements into structured functional and non-functional specifications, user stories, and acceptance criteria in line with Mastercard scheme rules and industry standards.• Collaborated with product, architecture, engineering, client stakeholders, and external partners to deliver enhancements across payment processing services and enable new transaction capabilities.• Assessed authorization, clearing, and settlement journeys to optimize processing flows, address functional gaps, and improve service capability.• Ensured alignment between business needs and delivered solutions through traceability, stakeholder walkthroughs, testing support, and post-release validation.
EDUCATION
Belarusian State University of Informatics and Radioelectronics
Bachelor's degree, Nanotechnology and nanomaterials in electronic
Belarusian State University of Informatics and Radioelectronics
Master's degree, Solid-state electronics, micro- and nanoelectronics, devices on quantum effects
ABOUT ANTON SIAMIONAU
Senior Business Analyst with 8+ years of experience delivering technology initiatives across the full project lifecycle. I specialize in business analysis, requirements definition, stakeholder management, and solution design, helping organizations translate complex business needs into effective digital solutions. My experience includes business applications, web-based platforms, and system integrations, with a strong focus on collaboration between business and technology teams to drive successful delivery.
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