Oksana Tomczak
Kraków,Poland
Summary
I am a Business Analyst with a strong foundation in finance, driven by a passion for creating meaningful change. I leverage analytical techniques to enhance tax-related business processes and contribute to overall success.
Overview
10
10
years of professional experience
8
8
years of post-secondary education
1
1
Certification
Work History
IS Business Analyst
ABB sp. z o.o.
11.2021 - 03.2025
- Gather and analyze business requirements, translating them into actionable solutions
- Collaborate with stakeholders to define use cases, user stories, manage and prioritize backlog, and drive continuous improvements
- Create and maintain functional specifications for business processes and reporting solutions, including SAP BW/4HANA
- Work closely with the development team to support the design, testing, and implementation of new features
- Prepare test plans, support UAT, and ensure smooth deployment of solutions
- Conduct training and provide user support for effective adoption of reporting tools
Senior Indirect Tax Data Analyst
ABB sp. z o.o.
05.2020 - 10.2021
- Acted as Proxy Product Owner, managing backlog refinement, roadmap planning, and designing new checks, modules, and features, including tax-related reporting functionalities to improve compliance and data accuracy
Specialist Indirect Tax Data Analyst
ABB sp. z o.o.
12.2018 - 04.2020
- Served as a power user for a newly created application, conducting training sessions and leading hyper-care calls, while driving application improvements and expanding scope by onboarding new companies within the ABB group
Junior Indirect Tax Data Analyst
ABB sp. z o.o.
11.2017 - 11.2018
- Prepared analytical outcomes to identify risks in indirect taxes, supported data collection and reporting streamlining, including the creation and updating of relevant documentation
Indirect Tax Specialist
Shell Polska sp. z o.o.
06.2015 - 10.2017
- Delivered tax projects and indirect tax returns with high-quality execution and within deadlines
Education
Postgraduate studies - ERP systems based on SAP
AGH University of Science and Technology
Poland, Krakow 11.2019 - 12.2020
Level master - Financial management
AGH University of Science and Technology
Poland, Krakow 10.2013 - 06.2015
Level master - Accounting and Audit
National University ‘Lviv Polytechnic'
Ukraine, Lviv 09.2009 - 06.2014
Skills
- Microsoft Office
- Microsoft Power Platform
- SQL
- Azure DevOps
- SAP
- Microsoft Visio
- Adobe XD
- BPMN
- Agile Methodologies
- Scrum Framework
- UX
- Test Practices
- Transfer Pricing
- Indirect Taxes
- Accounting
Certification
- Database Design
- Fundamentals of Software Engineering
- ITIL 4 Foundations
- Business Analysis in a Project Lifecycle
- Agile Business Analyses
- Professional Scrum Master I
Key Strengths
- Proactive, persistent and organized
- Good attention to details
- Proven successful remote working
- Excellent communication and stakeholder management
- Eager to learn and to share knowledge
Languages
Ukrainian
Native
English
Advanced
Polish
Advanced
Timeline
IS Business Analyst
ABB sp. z o.o.
11.2021 - 03.2025
Senior Indirect Tax Data Analyst
ABB sp. z o.o.
05.2020 - 10.2021
Postgraduate studies - ERP systems based on SAP
AGH University of Science and Technology
11.2019 - 12.2020
Specialist Indirect Tax Data Analyst
ABB sp. z o.o.
12.2018 - 04.2020
Junior Indirect Tax Data Analyst
ABB sp. z o.o.
11.2017 - 11.2018
Indirect Tax Specialist
Shell Polska sp. z o.o.
06.2015 - 10.2017
Level master - Financial management
AGH University of Science and Technology
10.2013 - 06.2015
Level master - Accounting and Audit
National University ‘Lviv Polytechnic'
09.2009 - 06.2014
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