Валерія

VALERIIA HRYHORIEVA
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Telegram: @ValeriiaHryh
Warszawa, Poland Linkedin: [open contact info](look above in the "contact info" section)
JUNIOR DATA ANALYST
I completed a comprehensive Data Analytics course, gaining hands-on experience with Python, Pandas, SQL, and data
visualization tools. I worked with real datasets and business cases, developing dashboards in Tableau and Amplitude while
practicing SQL queries and analytical problem-solving. These experiences taught me how to turn raw data into clear insights and
communicate them effectively. I am eager to grow as a Junior Data Analyst, applying my skills to support decision-making, solve
business challenges, and contribute to a collaborative team environment.
HARD SKILLS
SQL, Python, Advertising companies analysis, Statistic A/B Tests, Product Analysis,Gathering of the data visualisation
TOOLS
Excel, Google sheets, Google Analytics, Tableau, Power BI, LookerStudio
SOFT SKILLS
Time management, Problem solving, Cooperation
PROJECT EXPERIENCE
Analysis of online campaigns preparing data for BI
https://drive.google.com/file/d/1lvaOuLXHhqHrPCQd_IKW70VL9pxQkXNR/view?usp=share_link
Tools: SQL/PostgreSQL, DBeaver, BigQuery, Google Analytics 4
Description: Analysis of advertising performance and user behavior data from Google and Facebook platforms.
My tasks: Developed and optimized SQL queries to calculate aggregated metrics, Return on Marketing Investment (ROMI),
campaign performance, audience reach growth, conversion funnels, and engagement correlations.
Result: Produced structured analytical reports that demonstrated advertising effectiveness, user conversion paths, and behavioral
insights, enabling data-driven marketing optimization and strategic decision-making.
Ads analysis
https://lookerstudio.google.com/reporting/3b7e5156-9561-4f3e-8045-b668edfb0374
Tools: Google Looker Studio, PostgreSQL.
Description: Developed a comprehensive marketing performance dashboard by integrating Looker Studio with PostgreSQL for
real-time analytics.
My tasks: Created calculated marketing metrics (Ad Spend, CPC, CPM, CTR, ROMI); designed and built an interactive
dashboard; implemented dynamic filters for campaign name, ad run date, and performance segmentation.
Result: Delivered actionable insights into campaign effectiveness, enabling data-driven decision-making and improving marketing
performance evaluation.
WORK EXPERIENCE
Career Break (Maternity Leave)
June 2024 - now
Career break due to personal reasons.
During this time, I completed online courses and pursued self-study in data analytics.
Cook | Restaurant [Mad Chef Sushi] | Warsaw,Poland
December 2020 - June 2024
Prepared and presented dishes in compliance with standardized recipes, portion control, and restaurant quality standards.
Collaborated with kitchen staff to coordinate workflows and ensure timely service during high-volume operations.
Achievements / Skills:
Strengthened time management, problem-solving, and multitasking abilities while maintaining efficiency and accuracy under
peak workloads.
EDUCATION
IT School "GoIT"
2025
Data analyst
Odesa National Academy of Food Technologies
2012- 2016
Bachelor's degree in Hotel and restaurant business
LANGUAGES
English - Pre-Intermediate
Ukrainian - Native