Masha

MASHA TISHCHENKO
Data Quality, Visualization & Analytics | Data Engineering

CONTACTS WORK EXPERIENCE
[відкрити контакти](див. вище в блоці «контактна інформація») QA/Data Quality Engineer
Telegram
LinkedIn EPAM Systems September 2025 - March 2026
[відкрити контакти](див. вище в блоці «контактна інформація»)
Conducted end-to-end data quality assessments (completeness, validity, consistency)
DATA QUALITY & ANALYTICS Maintaining self-service reporting systems in Looker, integrating Google BigQuery for large-scale data
analysis (12+ TB datasets).
PROFESSIONAL | DATA ENGINEERING
Developed SQL validation queries and quality rulebooks
Standardized naming conventions and improved data governance
Data Analyst with 4+ years of experience in data quality, BI
Leading data pipeline testing and validation, ensuring compliance with security standards and driving
reporting, and cross-functional analytics across retail, digital,
accuracy in analytics.
and international environments.
Conducting rigorous assessments on data quality and collaborated across teams to deliver high-value
Strong expertise in SQL, Power BI (Power Query, Power Pivot,
reporting solutions.
DAX), Google Sheets/Excel, SSIS, ETL/DWH workflows, and
Optimizing Looker dashboards to provide actionable insights tailored to client needs.
data consolidation. Experienced in transforming complex
datasets into actionable business insights and automated
reporting systems.
Data Quality Engineer | EPAM Campus Laboratory, Data & Analytics Division
Background in fashion retail and media provides strong
commercial intuition and understanding of consumer behavior, EPAM Systems December 2024 - September 2025
merchandising performance, and brand positioning. Refined Northwind dataset by conducting end-to-end data quality assessments, addressing completeness,
Analytical, structured, and business-oriented — passionate consistency, and validity issues.
about turning numbers into strategic decisions. Authored comprehensive Data Quality Rulebooks for business-critical domains like Customers, Orders,
Products, and Suppliers.
Automated data validation workflows using PySpark notebooks within Microsoft Fabric, securing data integrity
TECHNICAL & ANALYTICAL SKILLS
for analytics pipelines.
Standardized naming conventions across tables, entities, and fields to streamline governance protocols.
Data Querying & Modeling Delivered actionable recommendations to bolster client data governance practices and achieve continuous
Advanced SQL (MS SQL Server, complex joins, aggregations, improvement.
subqueries), Google BigQuery
Business Intelligence & Visualization
Power BI (Power Query, Power Pivot, DAX, interactive
Data & Operations Coordinator | Centralized Hiring Team
dashboards)
Tableau, Looker Studio UPWORK August 2020-August 2024
Advanced Excel & Data Processing
Advanced Excel (Pivot Tables, Power Pivot, advanced formulas, Managed global scheduling operations (98% SLA adherence)
data modeling) Built tracking dashboards in Google Sheets
Data consolidation, transformation, and reporting automation Consolidated operational data from multiple systems
Data Engineering & Integration Automated reporting workflows and reduced manual effort
ETL workflows, data integration, cloud-based analytics (Azure, Conducted retrospective analysis to identify process bottlenecks
Google Cloud, Microsoft Fabric) Worked with CRMs, dashboards, and performance tracking tools
Analytics & Business Support Tools Used: Google Sheets, GoodTime, Confluence, Asana, Jira, Okta, Slack.
KPI analysis, performance tracking, trend analysis
Data storytelling and executive reporting
Junior Beauty Editor
Technical documentation & business requirements writing
Collaboration & Workflow Tools Sep 2013 - May 2019
HARPER’S BAZAAR Ukraine
Jira, Git, CI/CD environments
• Researched and authored trend-driven beauty articles aligned with the magazine’s tone and branding.
• Built strong relationships with PR agencies and stakeholders to ensure high-quality editorial output.
• Managed content databases and maintained editorial calendars for timely and organized content delivery.
EDUCATION & CERTIFICATIONS
• Developed systematic methods to enhance content organization and retrieval efficiency.
• Conducted trend analysis and market research to inform and refine content strategies.
Formal Education
BBA in Marketing Content Maker & Localization Specialist
International Christian University (2006 – 2011)
YVES ROCHER Jun 2016 - Feb 2019
Certifications
Data Analytics & Quality Engineering Basic Course – EPAM
Developed creative, engaging copy aligned with brand voice and global standards.
Systems (April 2025)
Elevated project outcomes through expert SEO, persuasive language, and high-impact messaging.
Data Analytics & Quality Mentoring Program – EPAM Systems
(August 2025)
EPAM UpSkill Specialization – EPAM Systems (August – Assistant Stylist | Fashion & Commercial Productions
October 2025)
DAN IT Data Analysis Course – deep SQL, Python, Power BI RadioaktiveFilm, Family Production, 23/32, ESSE Production, Adrenalin Brothers, 2009 - 2013
(Sept 2024 – June 2025) FILM.UA, Svitlofor Film
2018 - 2020
Assisted in pre-production planning (mood boards, outfit selection, fittings)
Coordinated wardrobe logistics and inventory management
LANGUAGES Managed styling during commercial shoots, music videos, TV shows, and films
English - C1 Ensured visual consistency aligned with brand and creative direction
Supported post-production selection and continuity validation
Collaborated with directors, photographers, designers, and production teams