Анастасія

ANASTASIIA MATVIIENKO
DATA ANALYST

IT professional with 8 years of experience in IT, possessing strong
expertise in data analysis and billing fundamentals. Eager to transition
into Data Analytics, leveraging SQL, Tableau, Looker Studio, and Excel
CONTACTS
to optimize business processes. Skilled in handling large datasets,
creating dashboards, and automating reporting. Detail-oriented,
[open contact info](look above in the "contact info" section) results-driven, and proactive in problem-solving. Currently advancing
Python skills to enhance data processing capabilities.
[open contact info](look above in the "contact info" section)
Telegram
PROJECT EXPERIENCE
Linkedin
Google BigQuery
Mykolaiv, Ukraine
I was involved in preparing and transforming data for BI reporting
currently: Varna, Bulgaria
systems using Google BigQuery. I developed custom SQL queries to
HARD SKILLS process and analyze event data from Google Analytics 4, focusing on
key user interactions such as session starts, add-to-cart events, and
purchases. I conducted detailed calculations and visualizations of
Data Analysis & Visualization
conversion rates across different traffic channels, dates, and landing
Cost Analysis & Billing pages.
Data Cleaning & Preprocessing Google Looker Studio
Reporting I created comprehensive reports in Google Looker Studio, including key
metrics like Ad Spend, CPC, CPM, CTR, and ROMI. Valuable insights
SQL Query Optimization
were provided through combined charts, line graphs, and heatmaps,
Excel Automation (Pivot Tables) helping the business evaluate and optimize the effectiveness of
marketing campaigns across various parameters and time periods.
TOOLS
WORK EXPERIENCE
SQL: PostgreSQL
Fulfillment 9 || Team lead in Purchasing Department || 2019-2024
BI Tools: Tableau, Looker Studio
Reduced risks of order confirmation and shipping errors by
Spreadsheets: Excel, Google Sheets introducing new control procedures.
Improved order processing speed by 6 times by automating parts of
SOFT SKILLS the confirmation and information update process.
Made the training process for new employees faster, allowing them
Analytical Thinking to reach full productivity in 2 months instead of 3 months.
Problem-Solving Developed a reporting system, reducing the time required per
report from 5 hours to 1 hour.
Teamwork & Collaboration
NDA || Purchase Specialist || 2017-2019
Attention to Detail
Processing orders within strict deadlines.
Time Management Confirming purchase orders.
Adaptability & Flexibility Managing and verifying shipping details.
Goal-Oriented & Persistent Coordinating with vendors and providing customer support.

EDUCATION
LANGUAGES
IT School "GoIT" V.O. Sukhomlynskyi Mykolaiv
English - Upper-Intermediate National University
Bulgarian - Intermediate Data Analysis
Master of International Economic
Ukrainian - Native 2025
Activity Management
Russian - Native
2015-2017