Олена

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Odesa, Ukraine

HARD SKILLS
• SQL
• Python
• Tableau
Power BI
• Google Data Studio
• A/B testing
•
TOOLS
• Microsoft Excel
• Google Sheets
• DBeaver
• BigQuery
• Analytics
• Amplitude

SOFT SKILLS
Team player
Cooperation
Punctuality
Self discipline

LANGUAGES
English – intermediate
Ukrainian – native
Education
"IT School GoIT"
Data Analyst
2025
Odesa National Maritime University
Master's Degree in Business Economics
2008-2013
Olena Chikinova
DATA ANALYST
Data Analyst with a strong background in financial accounting and large-scale data management. Successfully transitioned into data analytics, mastering a modern tech stack at GoIT School. Specialized in creating interactive dashboards, calculating business metrics, and uncovering insights to drive data-driven decision-making. Combines technical proficiency in SQL, Python, and Tableau with exceptional attention to detail and an analytical mindset.
PROJECT EXPERIENCE
Superstore Sales & Profit Dashboard
Description: Developed a comprehensive BI project in Tableau with three interactive dashboards to evaluate sales performance and logistics efficiency.
Key Achievements:
Visualized sales and profit time series using dual-axis and parameters to enhance interactivity.
Built a heat map of profitability by sub-category and delivery mode, which allowed for the quick identification of unprofitable segments.
Analyzed order delivery times across US states by creating a geographical visualization. Configured interactive elements, including actions and filters, to improve the user experience and enable dynamic data exploration.
Tools: Tableau.
Digital Marketing Campaign Effectiveness Analysis
Description: Analyzed Google & Facebook Ads data to evaluate ROI and optimize business strategy.
Key Achievements:
Analyzed Campaign Performance: Identified the top 5 campaigns with the highest ROMI and the campaign with the greatest weekly value.
Optimized Reach: Pinpointed the campaign with the highest month-over-month reach growth, which helped determine the most effective engagement channels. Enhanced Reporting: Prepared structured data sets for BI visualization, improving the speed and quality of business decision-making.
Tools: SQL (D Beaver, Big Query), Google Analytics, Google Ads, Facebook Ads.
WORK EXPERIENCE
Port Odesa Economist
June 2013 — December 2016
Financial Planning: Participated in the development and monitoring of departmental budgets, focusing on cost optimization and resource allocation.
Calculated the cost of port services and fees, performing variance analysis between actual and planned financial indicators.
Prepared management reports regarding the financial performance of port operations to support strategic decision-making.
Provided economic justification for tariffs and service rates in contracts with port tenants and subcontractors.
Port Odesa Accountant
September 2019 — now
Managed invoice processing for electricity and port fees for over 100 contractors, ensuring a stable revenue stream.
Created and registered tax invoices in the electronic document management system, demonstrating knowledge of tax legislation and VAT operations.
Handled the financial accounting and analysis of accounts payable and receivable for both international and Ukrainian counterparties.
Prepared and submitted financial and tax reports, including balance sheets and declarations, to government authorities in compliance with Ukrainian law.