Ольга

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Olha Kissa [открыть контакты](см. выше в блоке «контактная информация»)
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DATA ANALYST
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Kyiv, Ukraine, remote, relocate
Can work during blackouts thanks to EcoFlow

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SUMMARY
Data Analyst with an analytical mindset, strong technical background, and a high level of soft skills.
English: Intermediate+ (confident professional communication and documentation), experienced in working
with data to understand user behavior, product metrics, and business performance.
Have solid experience in data analysis projects involving SQL, spreadsheets, dashboards, and A/B testing.
Skilled at translating complex data into clear insights and actionable recommendations for non-technical
stakeholders.
Known for structured thinking, attention to detail, and persistence — successfully completed multiple
analytical tasks and projects with measurable outcomes (dashboards, metric tracking, test analysis).
Comfortable collaborating with cross-functional teams and continuously improving analytical and
communication skills. Motivated to grow as a Product Analyst and contribute to data-driven product decisions.

TOOLS

●​ Spreadsheets: Pivot Tables, Data Cleaning, Visualization
●​ SQL: Advanced Queries, Window Functions, Query Optimization, Common Table Expressions (CTE)
●​ Python: Pandas, NumPy, Matplotlib, Seaborn, Exploratory Data Analysis (EDA)
●​ Tableau: Interactive Dashboards, Data Storytelling, Publishing
●​ Statistics: Sampling, Hypothesis Testing, Correlation, Statistical Significance
●​ A/B Testing: Planning, Analysis, Reporting
●​ Other Tools: Jupyter Notebooks, Google Analytics, Excel, Git
●​ Languages: English Intermediate+

SKILLS
●​ Collected, cleaned, and prepared raw data from multiple sources for analysis
●​ Performed exploratory data analysis (EDA) to identify trends, patterns, and anomalies
●​ Built basic dashboards and reports using Google Sheets / Excel / Tableau / BI tools
●​ Wrote SQL queries to extract and aggregate data from relational databases
●​ Defined and tracked key product and business metrics
●​ Assisted in A/B test analysis, including hypothesis validation and result interpretation
●​ Visualized data to communicate insights clearly to non-technical stakeholders
●​ Documented analysis processes and maintained data quality standards
●​ Collaborated with product, marketing, and development teams to support data-driven decisions
●​ Using SDLC, Waterfall, and Agile concepts (Scrum, Kanban)
DATA ANALYST EXPERIENCE

Project 1 (SQL Project) — User & Email Activity Analysis, Oct 2025
Analyzed account creation trends, email send/open/click rates, and user behavior across verification,
subscription, and sending intervals using SQL. Conducted user segmentation, country-level comparisons, and
identified key markets and engagement patterns, providing actionable insights to optimize user onboarding,
email campaigns, and retention strategies.
●​ Link to review
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Project 2 (Tableau Project) — A/B Testing Tool & Cases Analysis, Nov 2025
Analyzed 4 A/B tests to evaluate the impact of product changes on key metrics. Defined primary and guardrail
metrics, assessed uplift and statistical significance, and interpreted test results. Built interactive Tableau
dashboards to compare control vs. variant performance and delivered actionable, data-driven insights for
product decision-making.
●​ Link to review

Project 3 (Python Project) — Sales Data Analysis, Jan 2026
Conducted end-to-end analysis of multi-source sales data using Python. Cleaned, merged, and structured
datasets to explore revenue, profit, geographic distribution, temporal trends, and shipping efficiency. Generated
actionable insights to inform product and operational decisions and delivered a concise, business-focused
report with visualizations.
●​ Link to review

PREVIOUS EXPERIENCE

AVK Confectionery Company
Sales Manager, Mar 2021 — Aug 2025
Managed wholesale clients and coordinated regional sales strategies using CRM, Google Sheets, and other
tools. Analyzed sales trends, optimized promotions, collaborated with the sales team, and consistently
exceeded revenue and growth targets.

EDUCATION
Institution: Zaporizhzhya National Technical University
Qualification and Degree: Master’s degree in Management
Dates Attended: 2013 - 2018

ADDITIONAL EDUCATION
●​ Data Analyst course at Mate Academy
●​ UX/UI Design Course at GO IT

ACHIEVEMENTS
●​ Winner of the Regional Olympiad in Ukrainian, 2012
●​ Marathon Runner (5 km in June 2025)
●​ 60 Algorithmic Tasks solved during the last 2 months