Bartosz Kasperczak

Senior Reporting Analyst

From: Poznań, Poland
Contract type: B2B/Permanent employment

I’m a BI Developer with 3 years of experience turning complex data into clear, actionable insights. I specialize in designing and maintaining advanced Power BI dashboards, building scalable solutions using analytical tools, and automating processes to improve efficiency. I enjoy collaborating with business stakeholders, sharing knowledge with colleagues, and contributing to innovative data projects. My goal is to deliver high-quality BI solutions that help organizations make informed decisions and drive growth.

Open for freelance
Available for mentoring
Open for work in product companies

Skills

Work experience

Senior Reporting Analyst

Carlsberg Shared Services

April 2026 - now

  • Developing and Maintaining Reports: designed, enhanced and maintaining advanced PowerBI report to provide data-driven insights for business stakeholders.
  • Process Automation: Building scalable solutions that significantly increased operational efficiency by using Fabric tools and Pyspark language.
  • Stakeholder Collaboration: Communicating with finance stakeholders to ensure alignment with evolving business requirements.
  • Training and Development: Conducted training sessions on Power BI basics, enabling users to effectively learn new tool and analyze data.
  • Mentoring: Mentored newly onboarded team members and actively participated in technical recruitment processes, assessing candidates technical competencies.

Reporting Analyst

Carlsberg Shared Services

November 2024 - April 2026

  • Developing & Enhancing: Building new, insightful reports and implementing smart improvements to existing dashboards.
  • Business Partnering: Collaborating closely with operational and financial teams to gather, translate, and deliver on their reporting requirements.
  • Automation focus: Participating in the automation of reporting processes.
  • Ensuring Quality: Performing robust data validation to guarantee accuracy and consistency the reports.
  • Documentation: Maintaining reporting documentation to ensure knowledge sharing across the team.
  • User Empowerment: Supporting in training sessions to help end-users maximize the value of analytical tools.

Junior Wholesale Analysis Specialist

Imperial Tobacco Polska S.A

April 2024 - November 2024

  • Creating visualizations according to the company profile and optimizing measures using DAX language.
  • Creating data models and their relationships from various sources.
  • Taking a practical approach to translating business requirements into technical solutions by actively participating in internal projects.
  • Providing support to the department in daily tasks related to collaborating with Sales and Marketing areas in the analysis of sales data.

Internship in the Sales Operations Department

Imperial Tobacco Polska S.A

January 2023 - April 2024

  • Gaining and expanding knowledge in the field of analyzing large volumes of data.
  • Practical use of the following tools: SQL Server, Power BI, Oracle Business Intelligence.
  • Actively participating in departmental projects and carrying out tasks under the supervision of a mentor.

Finance Assistant

Łazienkaplus.pl

July 2021 - December 2022

  • Administrative support during budget preparation.
  • Creating reports for the company's needs using BI tools.
  • Conducting ad‑hoc analyses of data and participating in internal projects.
  • Preparation of statements and reports in the area of controlling with their presentation

Education

Finance and Accounting

Poznań University of Economics and Business

September 2021 - July 2023

Master degree. Specialization in Finance and Accounting of the enterprises.

Finance and Accounting

Poznań University of Economics and Business

September 2018 - July 2021

Bachelor's degree. Specialization in Finance and Accounting of the enterprises.

Courses

Fabric Data Engineer Associate

Microsoft

Skills measured: Implement and manage an analytics solution, Ingest and transform data, Monitor and optimize an analytics solution

Fabric Analytics Engineer Associate

Microsoft

Skills measured: Maintain a data analytics solution, Prepare data, Implement and manage a semantic models

Power BI Data Analyst Associate

Microsoft

Skills measured: Prepare the data, Model the data, Visualize and analyze the data, Manage and secure Power BI

Advanced DAX

Maven Analytics

The course teaches advanced DAX in Microsoft Power BI through hands-on projects, where you analyze real-world business data, optimize performance, and deliver data-driven insights.

B2 Business Vantage

English Club - British Council Examinations Centre

One of the Cambridge English Qualifications based on everyday work and business tasks which is designed to develop business English skills.

Low-code Maker Course Completion

Microsoft Power Up Program

Program about fundamentals of Microsoft Power Platform.

Google Data Analytics Professional Certificate

Google Career Certificate

Certificate to start path to become data analyst in the future.

My favorites