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Work experience

Data Analyst

from 03.2024 to 06.2026 (2 years 4 months)
Fuelfinance, Remote (Finance, banking, and insurance)

•Built and maintained BI dashboards in Looker, Tableau, and Power BI for 15+ external clients, covering financial, operational, and subscription metrics.
•Wrote SQL daily against BigQuery, including CTEs, window functions, and query optimization, to support reporting and ad hoc analysis.
•Built predictive models for subscription churn and retention, and ran cohort analysis to identify revenue risk and growth points.
•Built financial models and unit economics analysis, including PL/CF/BS cohort analysis, for client accounts.
•Gathered technical integration requirements directly from 15+ clients, connecting 10+ source systems (Stripe, HubSpot, and others) into working data pipelines, pulling data through REST APIs, manual exports, and Zapier.
•Built automated data validation checks that caught 80%+ of data errors and anomalies without manual review.
•Investigated client-reported data issues, tracing problems back to their source system and root cause rather than the immediate symptom.
•Analyzed recruitment process data for a client in the recruitment agency space — hiring funnel conversion, time-to-hire, and channel performance.
•Automated recurring reporting using Google Apps Script, reducing manual spreadsheet work.
•Documented data sources, metric definitions, and reporting logic for internal and client reference.
•Worked with payment platforms including Stripe as part of client data integrations.
•Used GitHub for version control of scripts and code.
•Tested REST API integrations using Postman.
•Used AI tools (Claude, ChatGPT) daily as part of analysis and development work.

Part-time Data Analyst / Risk Manager

from 09.2023 to 02.2024 (6 months)
Wow24-7, Львів (IT)

Dual role covering payment risk and internal reporting for a customer support operation.

• Reviewed payments and transactions to verify legitimacy and prevent chargebacks
• Built SLA and agent workload KPI dashboards in Looker and Google Sheets
• Cleaned and validated Freshdesk data so reporting matched what was actually happening in the ticket system
• Handled client complaints on service quality and payment disputes, and tracked the recurring causes
• First reporting the support team had that didn't need manual updating

Customer support representative

from 09.2021 to 08.2023 (2 years)
Wow 24-7, Львів (IT)

Providing introductory information, such as a product manual explanation, to prospective and new customers
Handling customer complaints and troubleshooting issues with products or services
Following up with clients or customers by phone, web chat or email to check that they’re still satisfied with their purchases or services received
Escalating queries and concerns when necessary
Updating customer records following each contact
Staying up to date on the latest products and services an organization provides

Education

Український Католицький Університет

Історія, Львів
Higher, from 2017 to 2021 (4 years)

Knowledge and skills

• SQL
• Google Sheets
• Google Docs
• PostgreSQL
• Python
• MS Excel
• JavaScript
• MS Power BI
• Tableau
• Looker Studio
• Google API
• REST API
• XML
• CSV
• Funnel analysis
• RevenueCat
• Reverse engineering
• Data visualization

Language proficiencies

• English — fluent
• Ukrainian — fluent