Руслана

RUSLANA VORONIEVSKA
Junior Data Analyst

SUMMARY
I am a Junior Data Analyst with 8 years of experience in business process automation,
electronic document management, and ERP systems. I have a strong analytical mindset
and experience working with business systems to improve and optimize operational
processes.
Currently, I am transitioning into Data Analytics, expanding my expertise in tools and
methods such as SQL, Google Sheets, BigQuery, Python, data visualization, and A/B
CONTACTS
testing.
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I am seeking a Data Analyst role in a collaborative team where I can further develop my
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skills and apply my experience to solve business problems and support better data-
t.me/lana_voronevskaya
driven decision-making.
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voronievska
Odesa, Ukraine PROJECT EXPERIENCE
Marketing Chanel Performance Analysis
HARD SKILLS Tools: SQL, Tableau Public, pgAdmin
SQL My tasks: Analyzed marketing channel performance using transactional sales data.
Python Developed and tested hypotheses related to customer acquisition, revenue
Data Cleaning & Validation generation, average order value, and product mix.
Data Visualization Prepared and validated analytical datasets using SQL.
Statistical Analysis & A/B Testing Built an interactive Tableau dashboard to compare marketing channel performance.
Business metrics (MRR, ARPPU, Interpreted analytical results and presented business recommendations.
Expansion MRR, Contraction MRR, Result: Identified the main drivers of revenue across marketing channels and provided
Churn Rate, LTV, Revenue, AOV) data-driven recommendations to support marketing decision-making.
Data Storytelling SaaS Revenue & Customer Metrics Dashboard
Domain Expertise
Tools: SQL, Tableau Public, DBeaver
Business Process Automation
My tasks: Prepared and transformed subscription payment data using SQL in
ERP Systems Analysis
PostgreSQL.
Accounting Analytics
Calculated key SaaS subscription metrics, including MRR, New MRR, Churn MRR,
Expansion MRR, Contraction MRR, ARPPU, LT, and LTV.
TOOLS Built an interactive Tableau dashboard to monitor subscription revenue and
customer behavior.
Google Sheets, Excel Analyzed monthly trends in MRR, Paid Users, customer acquisition, churn,
BigQuery, DBeaver, SSMS, expansion, and contraction.
pgAdmin Interpreted analytical results and translated subscription metrics into business
Pandas, NumPy, Matplotlib, insights to support product decision-making.
Seaborn, Jupyter Notebook Result: Delivered a comprehensive view of subscription performance by identifying the
Git, GitHub key drivers of MRR growth and decline, enabling data-driven product decision-making.
Tableau, Amplitude
ISpro ERP, M.E.Doc, КЕП
WORK EXPERIENCE
Intellectual Service Group
SOFT SKILLS ERP & Accounting Systems Specialist ( May 2018 – July 2026 )
Analytical Thinking Trained and onboarded 10+ new employees, improving onboarding efficiency and
Problem Solving team readiness.
Attention to Detail Analyzed business requirements and optimized accounting and reporting workflows
Communication & to improve operational efficiency.
Presentation Skills Collaborated with clients to identify business needs and support process
Technical Content Creation automation through accounting software.
Desire to learn
EDUCATION
"IT School GoIT" - Data Analysis 2026
LANGUAGES "Hillel IT School" - Front-end Basic 2022
English - Intermediate Odesa National University of Technology 2012-2018
Ukrainian - Native Master's degree, Automation and computer-integrated technologies