Available to hire
I am a data analyst with over 3 years of experience in data engineering, business intelligence, and advanced analytics. I build automated data pipelines, develop interactive dashboards, and perform statistical analyses using Python, SQL (PostgreSQL), Tableau, BigQuery, GA4, and ETL automation. I turn complex data into actionable insights to guide decisions in international B2B and B2C contexts.
I am highly adaptable, detail-oriented, and focused on scalable, data-driven solutions. I enjoy collaborating with cross-functional teams to identify growth opportunities, optimize operations, and measure marketing performance, and I’m comfortable presenting insights to senior leadership to drive adoption of data-informed actions.
Skills
Language
Polish
Fluent
English
Fluent
German
Advanced
Russian
Advanced
Work Experience
Business Intelligence Analyst at HELPLING GMBH & CO. KG
April 1, 2024 - November 6, 2025Built and automated ETL pipelines integrating data from multiple internal and external sources. Designed and maintained interactive Tableau dashboards tracking key business metrics for B2B and B2C units across Germany, Singapore, Italy, France, and the UK. Translated business questions into SQL-based data models and analytical frameworks to deliver actionable insights. Conducted advanced data analyses (cohort, funnel, and retention analyses) to support strategic decision-making. Partnered with cross-functional teams to identify growth opportunities, optimize operations, and monitor marketing performance. Communicated insights through reports, briefings, and stakeholder meetings to drive adoption of data-informed actions.
Junior BI Analyst at HELPLING GMBH & CO. KG
March 31, 2024 - March 31, 2024Developed and maintained Tableau dashboards providing real-time performance tracking for multiple business units. Built and optimized data pipelines to deliver timely and accurate insights. Conducted deep-dive analysis on user behavior, marketing effectiveness, and revenue KPIs to identify improvement areas. Collaborated with stakeholders across product, marketing and operations to define reporting requirements and deliver insights aligned with business goals. Presented analysis results and data-driven recommendations that influenced process improvements and strategy updates.
Intern Business Intelligence at HELPLING GMBH & CO. KG
March 31, 2023 - March 31, 2023Built ETL pipelines and translated business questions into SQL-based data models. Created and developed Tableau visualizations to support data-driven decision-making across departments. Delivered ad-hoc analyses for C-level and senior stakeholders, directly contributing to strategic decisions in marketing and operations.
Junior Business Analyst at AUTO1 GROUP
August 31, 2022 - August 31, 2022Designed and executed quantitative analyses and experiments (A/B testing) across European markets, improved operational processes through data-driven feedback loops. Reviewed and optimized business processes, reducing inefficiencies and improving decision time. Prepared dashboards and graphical reports for top management to track operational KPIs and performance metrics. Collaborated closely with technical and business teams to implement new systems and monitor performance.
Media Executive at Mediacom Warszawa Sp. z o.o.
November 30, 2021 - November 30, 2021Managed media planning, buying, trafficking and research tools, assessed performance of key media channels using tracking and campaign reporting. Generated post-campaign analyses to measure effectiveness and ROI, recommended optimizations in media strategy. Coordinated with supervisors and teams to ensure media campaigns aligned with business goals.
Math Tutor at Self-Employment
May 31, 2021 - May 31, 2021Taught individual and group students in mathematics; adapted teaching methods to maximize understanding and performance. Designed supplementary material and responded to changing curriculum requirements; tracked student progress and provided guidance.
Education
Master of Science - Computer Science and Econometrics at Poznań University of Economics and Business
January 1, 2018 - January 1, 2020Bachelor of Science - Mathematics at Wrocław University
January 1, 2010 - January 1, 2014Bachelor of Science - Physics at Wrocław University
January 1, 2015 - January 1, 2018Erasmus+ Programme at University of Groningen
September 1, 2017 - February 1, 2018Qualifications
Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Education
Skills
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