Viacheslav

Viacheslav Koksharov
Power BI Developer | Data Analyst

Ukraine (Remote)
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GitHub: https://github.com/Viacheslav-Koksharov

SUMMARY
Power BI Developer and Data Analyst with 3+ years of experience delivering end-to-end BI solutions.
Skilled in data modeling, ETL processes, dashboard development, and data visualization using Power BI,
SQL, and Python. Strong background in e-commerce, marketing analytics, and finance. Proven ability to
optimize workflows, automate reporting, and translate business needs into data-driven insights. Detail-
oriented and result-driven professional with strong communication and time-management skills.
Experienced in building scalable BI solutions and enabling self-service analytics.

TECHNICAL SKILLS
Business Intelligence & Analytics: Power BI, DAX, Power Query (M), Tableau, Excel
Data & Databases: SQL, BigQuery, PostgreSQL, MongoDB, MariaDB
Programming: Python, JavaScript (ES6+), TypeScript
Data Processing & Integration: ETL, Data Modeling, REST API, JSON, XML
Cloud & Tools: Google Cloud (BigQuery, Cloud Storage), MS Fabric, Google Sheets
Other: Google Analytics, A/B Testing, ABC/RFM Analysis, Forecasting

PROJECT EXPERIENCE
Project name: Coffee Shop Sales Analysis
Project link: https://coffee-shop-analytics.streamlit.app/
Technologies: Python, Streamlit, pandas, altair, excel.
About project: Research and analysis of the activities of a chain of coffee shops and the development
of an interactive platform for displaying the basic indicators of a chain.

Project name: Analysis of a chain of coffee shops
Project preview: Dashboard preview
Project link: Dashboard link
Technologies: MS Power BI, Excel, forecast, DAX, custom slicer
About project: Research and analysis of the activities of a chain of coffee shops and the development
of an interactive platform for displaying the basic indicators of a chain.

Project name: Analytics of marketing efficiency
Project preview: Dashboard preview
Project link: Dashboard link
Technologies: MS Power BI, SQL, Big Query, Excel, DAX, custom slicer
About project: Ecommerce dataset analysis and evaluation of marketing campaign effectiveness based
on customer feedback and engagement.

EXPERIENCE
Power BI Developer | Data Analyst
FinTech Company (Remote, Contract)
Jan 2026-Apr 2026
• Optimized data models and implemented KPI calculations, delivering a previously stalled
dashboard
• Designed and delivered 5+ dashboards and analytical tools
• Automated reporting workflows, reducing manual data processing time by up to 50%
 • Implemented self-service analytics solutions used by 10+ stakeholders, improving decision-
making efficiency

Power BI Developer
Traffic.one (Remote, Full-time)
Mar 2025-Dec 2025
• Designed and deployed Power BI dashboards processing datasets of 5M+ rows
• Architected a centralized analytics solution that reduced workload from 5 analysts to 1
• Automated reporting workflows, saving 10+ hours per week of manual work
• Engineered scalable data models and implemented DAX measures, KPIs, and Row-Level Security
(RLS)

Power BI Developer
Fast Line Group (Dataplus.global, Remote)
May 2023-Present (Support)
• Developed dashboards and reports, improving data visibility and reporting efficiency across
teams
• Created data models, DAX calculations, and visualizations
• Maintained and enhanced BI infrastructure supporting ongoing analytics processes
• Worked with Microsoft Fabric and on-premises data
• Optimized DAX calculations, improving report performance by ~50%

Co-Founder / Business Owner
Dimex PP (Ukraine)
Oct 2009-Apr 2023
• Managed operations of a production and trading company
• Built long-term partnerships with construction companies
• Oversaw business processes, sales, and performance tracking

EDUCATION
Data Analyst Program-Changers.education (2024)
(BigQuery, Python, Power BI, Tableau, A/B Testing, RFM Analysis)
Google Cloud: AI & Data-Google Cloud Skill Boost (2024)
Front-End Development-Genesis / Edvantis (2022–2023)
Master’s Degree in Enterprise Economics
Kyiv National Economic University (2004)

CERTIFICATIONS
• Google Analytics-Advanced Google Analytics
• Google Analytics-Google Analytics for Beginners
• Front-End Developer by Genesis
• React Developer by Edvantis

LANGUAGES

• English-Intermediate
• Ukrainian-Native
• Russian-Native