Position: Data Analyst/BI Data Analyst/Junior Data Scientist
Category: Data Science
English level: pre
Years of experience: 5

Certifications: SQL, PL/SQL, Power BI, Python (Databases and SQL for Data Science with Python, Python for Data Science AI & Development, Pandas, NumPy, Matplotlib, Seaborn, Geoplotlib).
I am a data analyst with 5 years of experience in one of the largest telecom companies in Ukraine. I believe that the Data Science position is the next step in my career and personal growth.

Currently, I hold the position of Revenue Assurance Data Analyst.
In this role, my responsibilities include:
Identifying data inconsistencies and anomalies through data quality analysis, intersystem reconciliation, trend analysis, and revenue analysis.
Developing and maintaining regular reports.
Creating and managing technical documentation.
Visualizing data using SAP Business Object and/or Power BI.
Generating new reports and expanding coverage for new revenue streams.
Identifying problematic revenue areas and improving revenue coverage.
Calculating potential leakages, uncollected revenue, cost losses, and savings.
Conducting business assurance analysis.
Preparing reports for both internal and external auditors.
Handling ad hoc reporting requests.

As a result, my reports can find revenue losses or overcharge in the early stage and help faster fix the problems.

In the year 2022, I managed to achieve revenue savings of over 1 million USD.

Recently, I started learning Python for Data Science. I have certifications from Coursera and Kaggle platforms.
Company with Ukraine/English speaker Python coach.
If needed, I can serve as a PL/SQL coach for some of my new colleagues. I have practical experience in coaching PL/SQL.