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Maria Z. BI Engineer

Data Analyst (DA)

Summary

• Business Intelligence/Data Analysis/Visualization
• PowerBI, Google Data Studio, Tableau.
• Has hands-on experience with various data sources as Cloud DBs (Snowflake), on-premise DBs (Microsoft SQL Server, Oracle, OLAP cubes), APIs (Jira, Service Now etc.) and of course text files (Excel, csv, json format).
• Has a strong background in analysis and statistics, has hands-on experience using Python for data analysis.
• Solid troubleshooting skills, ability and willingness to learn quickly, highly responsible person. Interested in communication with stakeholders and end-users.
• Upper-Intermediate English level.
• Available: ASAP
• No scheduled vacations within next 3 months.

Experience

 

Data Analyst, Delivery Agency

10 months - current

Description:  Development of data storage (Data Mart) with analytical layer for analysis and prediction (simulations).

Responsibilities:

  • Developed dashboards in Tableau.
  • Developed models in dbt for reporting purposes.
  • Validated data, investigated it because of some discrepancies.

Technologies/Environment: Tableau (Desktop, Server), Snowflake, dbt

 

BI Engineer, Retail

2 months

Description:  Development of ad-hoc dashboards for analysis.

Responsibilities:

  • Gathered requirements from business users.
  • Developed dashboards.

Technologies/Environment: Tableau (Desktop, Server), Hadoop

 

 

Data Analyst, Marketing & Advertising

3 months

Description:  Development of analytical support system for business decision across all company.

Responsibilities:

  • Designed analytical web application based on embedded Power BI reports into client’s web-apps.
  • Participated in design of strategy for app development.
  • Dashboards development/implementation (both Power BI and Tableau).
  • Supported and improved existing reporting system.
  • Communicated with customers directly.

Technologies/Environment: Power BI (desktop, Service, Premium workspace, embedded),Tableau (Desktop, Server), SSAS, SQL server, Azure, Excel

 

 

Data Analyst, Retail & Distribution

1 year 1month

Description:  Development of a reporting system for managing different kinds of processes inside the project on different levels.

Responsibilities:

  • Developed new dashboards from scratch, based on customers’ needs.
  • Supported and improved existing reporting system.
  • Retrieved data from various data sources.
  • Gathered requirements from stakeholders.
  • Performed advanced Data Manipulations using Power Query and DAX.
  • Communicated with customers and management closely.

Technologies/Environment: Power BI (desktop, Service, Pro), Jira API, Service Now API, Jira DB, Excel, Python, jupyter

 

Data Analyst, Oil & GasIndustry

3 months

Description:  Analytical System for the customer loyalty program.

Responsibilities:

  • Worked with Oracle DB ,BigQuery.
  • Analysed customers segments.
  • Developed reports using Pentaho, SPSS, Excel.
  • Segmentation of customers for promotions.
  • Delivered financial reports on the monthly/weekly basis.

Technologies/Environment: Oracle DB, Pentaho, SPSS, Excel, Google Data Studio

 

Support Engineer, Information Technology & Services

8 months

Description:  Design and Web development Agency.

Responsibilities:

  • Communicated directly with clients.
  • Delivered high quality client service.
  • Troubleshooting.
  • Fixed issues (HTML, CSS) reported by clients.
  • Testing.

Technologies/Environment: SQL Server, Microsoft Management Studio, Excel, HTM, CSS

 

Education

2015-2020

Lviv National University of Ivan Franko

Sc. in Mathematics

Specialization: Statistics