Софія

Sofiia Kyrashchuk | DATA ANALYST
Summary
Data analyst with a research background in cognitive
neuropsychology and hands-on experience across the full analysis
workflow: study design, data collection and cleaning,
statistical testing, and dashboard reporting. Designed and
analysed an original 183-respondent study, finding a significant
predictor of AI adoption (p = .001), and analysed clinical data from
45 participants. Works in SQL/BigQuery, Python, and Tableau,
and explains results to people who don’t read code. English C1
(IELTS Academic 7.0).

Professional Experience
Personal Data Data Analyst — Independent Projects
Jan 2025 — Present
Sofiia Kyrashchuk
• Analysed neuropsychological dataset (n=183), identifying
[open contact info](look above in the "contact info" section)
significant link between systemizing quotient and AI acceptance
Gmail
(p=.001).
GitHub
• Conducted full A/B testing pipeline in Python: hypothesis
Telegram
formulation, sample size calculation, statistical significance
LinkedIn
testing (chi-squared, z-test).
Technical Skills • Designed and executed SQL queries in BigQuery: window
SQL: Advanced Queries, functions, CTEs, query optimization.
Window Functions, Query • Built interactive Tableau dashboards for e-commerce sales
Optimization, CTEs analysis and A/B testing results.
Python: Pandas, NumPy, Research Practicum — Anima, Feofaniya Clinical Hospital
statsmodels, pingouin,
Mar 2024 — Jun 2024
SciPy, Matplotlib, Seaborn,
EDA • Collected empirical data from n=45 military personnel using 4
Tableau: Interactive validated psychometric instruments (GAD-7, STAI, BDI-II, PHQ-9).
Dashboards, Data • Contributed to eye-tracking algorithm achieving >80% accuracy
Storytelling, Publishing in mTBI differentiation.
Statistics: Sampling, • Performed primary analysis and systematization of attention bias
Hypothesis Testing, data.
Correlation, Regression,
Statistical Significance Portfolio
A/B Testing: Planning,
Analysis, Reporting Advanced SQL in BigQuery — GitHub
Spreadsheets: Pivot • Five structured query scripts over a public e-commerce dataset.
Tables, Data Cleaning, • Window functions, CTEs, nested and repeated fields, datetime
Visualization logic, and query optimization.
Other Tools: Jupyter
Notebooks, Google A/B Testing Pipeline in Python — GitHub
Analytics, Excel, Git • End-to-end automated pipeline: hypothesis formulation, sample
size and power calculation.
Languages • Significance testing (chi-squared, z-test) and segmentation;
English — Advanced (C1) results exported to Tableau.
German — Upper- Tableau Dashboards — Tableau Public
Intermediate (B2) • Three interactive dashboards published on Tableau Public.
Soft Skills • Coverage: e-commerce sales performance, A/B test results, and
conversion rate analysis.
Analytical Thinking
Learning Agility From Psychology Research to Data Science (N=183) — GitHub
Pattern Recognition • Designed, ran, and analysed an original survey testing what
Clear Communication predicts acceptance of AI technology.
• Migrated the full analysis from R to Python (pandas, pingouin,
statsmodels).
• Validated scale reliability, group differences, and regression
models.

Previous Experience
Teacher (adults, corporate groups); Didactics department —
Speak Up, Kyiv
Jun 2021 — Aug 2025
• Taught English to 100+ adult and corporate learners; translated
complex material into clear explanations for non-specialist
audiences — the skill behind presenting analysis to stakeholders.
International Coordination — ISIDA Clinic, Kyiv
Jun 2021 — Jan 2022
• Coordinated end-to-end service for international clients in English,
acting as liaison between medical staff and patients through the
clinic’s internal system.

Education
Taras Shevchenko National University of Kyiv
Master’s studies, Faculty of Psychology (Neuropsychology) | 2022 –
2024
Taras Shevchenko National University of Kyiv
Master’s studies, Faculty of Linguistics (Intercultural Germanistics —
German and English) | 2022 – 2024
National Technical University of Ukraine “Igor Sikorsky Kyiv
Polytechnic Institute”
Bachelor of Philology, Faculty of Linguistics | 2018 – 2022

Certifications
🏆 Data Analyst course at Mate Academy — profession certificate
🏆 IELTS Academic C1, Overall Band 7.0 — result
🏆Academy)
Google Analytics — Internet Marketing course (IT STEP Computer
— diploma
🏆— certificate
Clinical Neuropsychology and Neuropsychological Rehabilitation

🏆 Concepts and Methods in Perception Science — certificate
🏆 Mathematical Methods in Philosophy — certificate