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Location

Poland

Rate

$10  / per hour

Years of experience

5+

About

I am an experienced BI Developer with a strong background in Big Data and Finance, continually advancing my knowledge in Business Intelligence, Data Analytics, and Data Science over the past four years. I specialize in gathering, cleaning, modeling, and visualizing data using tools like Power BI, SQL, and Python to create actionable insights for both technical and non-technical stakeholders. My work involves developing scorecards, reports, and dashboards, managing data ingestion and transformation, and creating advanced SQL queries. I thrive in environments that challenge me to grow and refine my technical skills, and I am always eager to take on new opportunities. Throughout my career, I have held various roles that have strengthened my expertise in data analysis and financial management. At HEINEKEN GROUP, I am responsible for creating Power BI solutions, managing report distribution, and implementing advanced data transformation logics. My previous roles as a Senior Data Analyst and Data Consultant involved using Python and SQL to solve complex analytical problems and improve business processes. I also have experience in financial administration, where I applied advanced analytics to enhance team performance. My educational background in Big Data and Finance, combined with my certifications in Power BI and Python, has equipped me with the skills necessary to excel in the field of data analytics.

Tech Stack

Business Intelligence, Amazon S3, AWS, Machine Learning, MS Office, MS SQL, Oracle, Power BI, Python, SQL

Experience

  • Developed scorecards, reports, and dashboards in Power BI, ensuring effective data visualization and business insights at HEINEKEN GROUP.
  • Created and optimized SQL queries to support Business Intelligence practices and navigate complex databases across multiple roles.
  • Utilized DAX, M language, and Python to implement advanced data transformation logic and address complex analytical questions.
  • Designed and developed customized data collection models and reports for specific BI analytics tasks, effectively communicating business insights.
  • Worked closely with stakeholders and IT teams to identify business needs, design appropriate data solutions, and ensure the successful implementation of BI tools.
  • Participated in forensic and investigative analytics projects at PwC, analyzing and interpreting complex data sets using Python, Power BI, and SQL.
  • Applied advanced data and finance analytics to improve operational efficiency and support accurate financial reporting in roles at Jones Lang LaSalle.

Employment history

BI Developer, HEINEKEN GROUP B.V., GLOBAL ANALYTICS October 2023 - Present
  • Created scorecards, reports, and dashboards in Power BI for data visualization and business insights.
  • Developed calculations using DAX and M language for advanced data modeling.
  • Managed data ingestion from various sources and implemented appropriate data transformations.
  • Handled Power BI Service management, including report distribution, RLS, data refreshes, and security access monitoring.
  • Designed effective layouts using themes and report grids to enhance data presentation.
  • Created advanced SQL queries to navigate through databases and support analytics.
Senior Data Analyst / Power BI Developer, INTERMEDIATE CAPITAL GROUP March 2023 - October 2023
  • Implemented Python and DAX code solutions to address analytic questions and test new methods.
  • Optimized SQL statements to enhance Business Intelligence practices.
  • Utilized data visualization tools to effectively communicate business insights to stakeholders.
  • Designed and developed customized data collection models for specific BI analytics tasks.
  • Created various reports with Data Quality indicators to improve operational efficiency.
Data Analyst / Power BI Developer, INTERMEDIATE CAPITAL GROUP September 2021 - February 2023
  • Implemented Business Intelligence solutions using Power BI and Python to increase operational efficiency.
  • Developed customized reports, summarizing and presenting data in visually appealing formats.
  • Designed and implemented SQL queries for reporting and complex solutions development.
  • Analyzed existing SQL queries to identify opportunities for improvements and optimization.
  • Collaborated with stakeholders and IT teams to identify business needs and build appropriate data solutions.
Data Consultant, PWC, FORENSIC TECHNOLOGY - FORENSIC & INVESTIGATIVE ANALYTICS December 2020 - August 2021
  • Participated in data analysis projects using Power BI and SQL to create procedures and queries.
  • Analyzed and interpreted complex data sets using Python for forensic and investigative analytics.
  • Coordinated various data streams and processes management within dispersed banking systems.
  • Performed analysis of financial and non-financial data to support forensic investigations.
Accounts Receivables Finance Administrator, JONES LANG LASALLE February 2020 - November 2020
  • Prepared and analyzed key financial transaction reports for accuracy and compliance.
  • Implemented advanced data and finance analytics to improve AR Functional Team performance.
  • Worked with external auditors to complete quarter-end and year-end audit testing.
  • Maintained high standards of accuracy and integrity in all finance and analytical processes.
Finance Assistant, JONES LANG LASALLE August 2019 - February 2020
  • Processed finance transactions to ensure robust financial control for a large, complex portfolio.
  • Supported timely and accurate financial reporting for both JLL and its clients.
  • Assisted in maintaining the accuracy and quality of financial data across 31 countries.
  • Collaborated with the finance team to improve financial processes and reporting standards.

Education history

WARSAW SCHOOL OF ECONOMICS 2019 - 2021 Master's Degree in Big Data
BUDAPEST METROPOLITAN UNIVERSITY 2018 - 2019 Erasmus programme, Business and Administration
WROCLAW UNIVERSITY OF ECONOMICS 2016 -2019 Bachelor's Degree in Finance, Finance Management
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