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I am a dedicated analytics professional with a degree in Applied Mathematics and over two years of hands-on experience as a Business Intelligence Analyst. I'm skilled in data analysis, programming, and data visualization, with strong expertise in Tableau. I have a proven track record of collaborating with international clients, delivering actionable insights, and supporting data-driven decision-making. I am highly motivated and always eager to learn new tools and technologies to grow both personally and professionally.…I am a dedicated analytics professional with a degree in Applied Mathematics and over two years of hands-on experience as a Business Intelligence Analyst. I'm skilled in data analysis, programming, and data visualization, with strong expertise in Tableau. I have a proven track record of collaborating with international clients, delivering actionable insights, and supporting data-driven decision-making. I am highly motivated and always eager to learn new tools and technologies to grow both personally and professionally.

Joanna Zema

Data Scientist, Data Analyst, Data Visualizer, +5

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I am a dedicated analytics professional with a degree in Applied Mathematics and over two years of hands-on experience as a Business Intelligence Analyst. I'm skilled in data analysis, programming, and data visualization, with strong expertise in Tableau. I have a proven track record of collaborating with international clients, delivering actionable insights, and supporting data-driven decision-making. I am highly motivated and always eager to learn new tools and technologies to grow both personally and professionally.…I am a dedicated analytics professional with a degree in Applied Mathematics and over two years of hands-on experience as a Business Intelligence Analyst. I'm skilled in data analysis, programming, and data visualization, with strong expertise in Tableau. I have a proven track record of collaborating with international clients, delivering actionable insights, and supporting data-driven decision-making. I am highly motivated and always eager to learn new tools and technologies to grow both personally and professionally.

Available to hire

I am a dedicated analytics professional with a degree in Applied Mathematics and over two years of hands-on experience as a Business Intelligence Analyst. I’m skilled in data analysis, programming, and data visualization, with strong expertise in Tableau.

I have a proven track record of collaborating with international clients, delivering actionable insights, and supporting data-driven decision-making. I am highly motivated and always eager to learn new tools and technologies to grow both personally and professionally.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Polish

Fluent

Work Experience

Data Analyst Intern at Accenture

August 1, 2023 - November 8, 2025

Developed Tableau dashboards and data visualizations based on business requirements; cleaned, prepared and modeled data; created mockups and data structures for reports; collaborated with backend teams on data requirements; ensured accuracy and usability of dashboards; performed data testing and validation.

Data Analyst Intern at Accenture

July 31, 2023 - July 31, 2023

Data cleaning, data modeling, and dashboard development using Tableau; Tableau Prep data preparation; created dedicated views for dashboards; assisted in defining data requirements; maintained SAP Master Data; provided data-driven insights and recommendations.

BI Analyst Intern at Accenture

July 1, 2023 - July 1, 2023

Contributed to data analytics projects by developing Tableau dashboards, data modeling and visualization; cleaned, prepared and modeled data in Tableau Prep; created dedicated views for dashboards; collaborated with backend team to define data requirements; maintained existing dashboards and SAP Master Data; recommended dashboard design and best practices; created self-service insights in Power BI; tested features and supported data ingestion and validation into the data platform.