Денис

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Denys Alkhazov [відкрити контакти](див. вище в блоці «контактна інформація»)
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DATA ANALYST
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Vinnytsia, Ukraine (remote)

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SUMMARY
Data Analyst with hands-on experience in SQL, Python, and BI tools, focused on extracting insights from data
and supporting business decisions. Skilled in data analysis, reporting automation, and dashboard development
using SQL, Python (Pandas), and Tableau. Experienced in working with transactional and operational datasets,
performing exploratory data analysis, and tracking key business metrics. Strong analytical background
supported by academic achievements in mathematics and informatics. Upper-Intermediate English level.
Continuous learner with a structured, problem-solving approach.

SKILLS

●​ 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 (Upper-Intermediate)

EXPERIENCE

Technical Manager at Company NDA​
JUL 2024 – SEP 2024

Responsibilities:​
​ Provided first-line technical support for B2B clients. Assisted with corporate account onboarding and
basic verification processes. Monitored account statuses and transaction-related issues. Communicated with
internal teams regarding technical incidents and operational requests.

Data Analyst at Company NDA​
SEP 2024 – DEC 2025

Responsibilities:​
​ Wrote SQL queries to extract, clean, and analyze transactional and operational data. Performed
exploratory data analysis to identify patterns, trends, and anomalies. Built dashboards and visual reports for
operations and management teams. Automated recurring reports to improve data availability and reduce
manual work. Conducted data quality checks and validation. Assisted in defining, tracking, and maintaining key
business KPIs. Supported business decisions by delivering structured, data-driven insights.
 Technologies or Tools:​
SQL ( joins. CTEs, Window Functions etc.), Python (Pandas, Numpy etc.), Tableau, Google Sheets, Excel,
Bigquery, looker studio

Accomplishments:​
• Analyzed transactional and operational data to support finance and operations teams​
• Built and maintained dashboards for tracking KPIs, revenue, and client activity​
• Automated recurring SQL-based reports, reducing manual reporting workload by ~35%​
• Performed exploratory data analysis to identify trends, anomalies, and data quality issues​
• Supported business decisions by delivering clear, data-driven insights

EDUCATION
Institution Vasyl’ Stus Donetsk National University​
Qualification and Degree Bachelor’s Degree in Law (incomplete)
Dates Attended 2022-2023

ADDITIONAL EDUCATION
●​ Data Analyst course at Mate academy

ACHIEVEMENTS
●​ Graduated from secondary school with a Gold Medal (high academic performance)
●​ Regular participant in mathematics olympiads
●​ Reached finalist stage in informatics (computer science) olympiads