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Опыт работы

Data analyst

с 02.2026 по наст. время (6 месяцев)
Mate academy, Дистанційно (Освіта, наука)

- Extracted, transformed, and analyzed data using SQL and Python
- Built Tableau dashboards for KPI reporting and business analysis
- Applied statistical methods and A/B testing to validate business hypotheses

Portfolio:
- SQL Project: BigQuery analytics, KPI reporting, query optimization [https://github.com/IrinaMatviichuk/DataAnalystSQLProjects]
- Python Project: EDA, statistical testing, and sales trend analysis [https://github.com/IrinaMatviichuk/DataAnalystPortfolioProject]
- Tableau Projects: Interactive dashboards for A/B testing, email metrics, and web session analytics with KPI tracking and segmentation [https://public.tableau.com/app/profile/iryna.matviichuk/vizzes]
- AB Test: Conversion analysis and statistical significance testing using Python [https://github.com/IrinaMatviichuk/DataAnalystABTest]

Angular-розробник

с 03.2018 по 07.2026 (8 лет 5 месяцев)
JazzServe, Київ (IT)

- Designed and implemented UI solutions for business data, analytical metrics, and operational processes.
- Developed Angular applications for internal corporate systems, POS solutions, and an educational platform.
- Successfully delivered 11+ projects to production.
- Tech Stack: Angular, REST APIs, NgRx, RxJS, WebSocket, Git
- Public Angular Projects: [https://iknoweng.com/ua]

Key Responsibilities:
Proposed and implemented a configurable lesson and exercise editor that enabled platform scalability, significantly reduced content launch time, and eliminated dependency on the frontend team for routine content updates.

Аналітик

с 07.2006 по 08.2017 (11 лет 2 месяца)
Fozzy Group, Київ (Роздрібна торгівля)

Career Progression:
- Lead Specialist, Process Audit & Development (Logistics) - Sep 2015 - Aug 2017
- Lead Specialist, Supply Chain Management (Logistics) - Jan 2014 - Sep 2015
- Supply Specialist, Supply Chain Management (Logistics) - May 2011 - Dec 2013
- Head of Inventory Accounting Department (Silpo Retail Stores) - May 2008 - Apr 2011
- Inventory Accounting Specialist (Silpo Retail Stores) - Jul 2006 - Apr 2008

Technologies / Tools:
- SQL, Excel, Analytical Reporting, KPI Monitoring

Key Responsibilities:
- Analyzed operational KPIs, including inventory levels, sales, supply performance, and inventory turnover
Built analytical reports to support operational monitoring and management decision-making
Defined business requirements for process automation initiatives
Key SQL-Based Analytical Cases:
- Designed and implemented business logic for a real-time ingredient availability check algorithm in Positano restaurant’s inventory management system, increasing availability of critical ingredients from <30% to 100%.
Developed business logic and calculation rules for shipment volume forecasting from distribution centers to branch locations, reducing forecast error from >200–500% to 20% for the first two days and to 2-4% for the following five days, significantly improving transportation planning during peak periods.

Образование

National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

Applied Mathematics, Київ
Высшее, с 2004 по 2011 (7 лет)

Дополнительное образование и сертификаты

Data Analyst

2026
Сертификат

Знания и навыки

• MS Excel
• Google Sheets
• SQL
• Python
• Tableau
• Statistics
• A/B testing
• Supply chain management
• Angular
• REST API
• WebSocket
• Git

Знание языков

Английский — средний

Дополнительная информация

- Participant in Ukrainian National Olympiads in Mathematics and Physics; awarded 2nd place in Regional Mathematics Olympiads and 3rd place in the Regional competition of the Junior Academy of Sciences of Ukraine, Mathematics Section
- Participant in the international table tennis tournament Veteran T.T. Tournament (Antalya, 2019)
- Tandem Skydive with Instructor (2021)
- Awarded a commemorative badge by the Commander of the Air Force Command Center for volunteer support of the Armed Forces of Ukraine (2025, number 172)