Olia Burnaeva

Angestellt, Senior Data Analyst, eBay Inc.

Fähigkeiten und Kenntnisse

Airflow
Analytical Skills
Apache Spark
Analytics engineer
Apache Airflow
Apache Superset
Data Interpretation
Apache Zeppelin
Causal Inference
Data Mining
GitHub
Data Modeling
Claude Code
Data Science
Gitlab
Clickstream
Media Research
Data Visualization
Consumer Behavior
Google Cloud Platform (GCP)
Microsoft Excel
Customer Insight
Grafana
Datawrapper
Microsoft PowerPoint
Data Build Tool (DBT)
Hadoop
Descriptive Analysis
Outcome interpretation
Data Engineering
HDFS
Easily Adaptable
Pandas (Software)
Initiative
Pyspark
Extract, Transform, Load (ETL)
Peoplemeter
Kantar
Python
Git
Storytelling
Problem Solving
Large Language Models (LLM)
Streamlit
Product understanding
Market Research
Regular Expressions
Tableau
Project Management
Reporting & Analysis
Task Management
Prototyping
Research and Development (R&D)
Teamwork
Root Cause Analysis
Анализ и интерпретация данных
Spark
SQL
Визуализация данных
Statistical Software
Делать выводы
Statistics
Маркетинговые исследования
Презентация исследования

Werdegang

Berufserfahrung von Olia Burnaeva

  • Bis heute 1 Jahr und 3 Monate, seit Juni 2025

    Senior Data Analyst

    eBay Inc.

    - conceptualized and developed the PCF Rate, the first company-wide metric for quantifying perceived counterfeit prevalence on the marketplace, by building a Spark-based LLM scoring pipeline that analyzed highly visible listings using counterfeit classification prompts developed in collaboration with counterfeits experts - evaluated counterfeit risks across marketplace categories to identify vulnerable segments, detect emerging counterfeit trends, prioritize enforcement efforts, and measure the effectivenes

  • 1 Jahr und 4 Monate, März 2024 - Juni 2025

    Analytics Engineer

    eBay Inc.

    - designed and implemented analytical data marts and pipelines using PostgreSQL, dbt, Airflow, and Python, creating reusable data models that supported reliable reporting and self-service analytics - optimized analytical queries and data models to improve dashboards performance - identified and investigated data quality incidents end-to-end, performed root-cause analysis, and partnered with backend developers to improve the reliability and consistency of transactional data - developed self-service dashboard

  • 2 Jahre und 9 Monate, Nov. 2020 - Juli 2023

    Data Analyst -> Team Leader, Business Department

    Mediascope

    - conceptualized and developed a new project focused on collecting and analyzing search queries from URL clickstream and accessibility technology, creating a new revenue stream and attracting high-profile clients - investigated new single-source media data (TV, Radio, Mobile), highlighted its strengths and limitations, and presented recommendations that helped shape the company's long-term product strategy - conducted quantitative research on media and digital consumer behavior using descriptive analysis in

  • 1 Jahr, Dez. 2019 - Nov. 2020

    System Analyst, Big Data Department

    Mediascope

    - ensured data quality and conducted integrity checks across newly developed data warehouse layers during the migration of legacy processes to a Hadoop-based Big Data platform - designed real-time monitoring dashboards with Grafana to monitor data processing and pipeline health - orchestrated workflows in Airflow, diagnosed task failures, and developed custom Python tasks for integrating with internal service APIs - gathered business requirements, translated them into technical specifications, maintained do

  • 5 Jahre und 10 Monate, Feb. 2014 - Nov. 2019

    Junior -> Senior Analyst, Client Department

    Mediascope

    - conducted quantitative research into television audience behavior, investigating trend breaks, emerging trends, audience migration, and loyal audience segments - advised clients on audience measurement methodologies, project design, metric interpretation, and data-driven decision making - used industry-standard statistical software, including Instar Analytics and proprietary analytical tools, to conduct media research and client analysis - translated analytical findings into clear reports, executive-ready

  • 7 Monate, Jan. 2013 - Juli 2013

    Financial Analyst

    GE Healthcare

    - performed account reconciliation across multiple ledgers, identifying and resolving discrepancies to ensure accurate financial reporting - executed accounting entries in accordance with internal financial controls and reporting standards - conducted business correspondence in english with international contractors, coordinating documentation and resolving billing and payment queries

Sprachen

  • Russian

    C2 (Verhandlungssicher / Muttersprachlich)

  • Englisch

    B1-B2 (Gute Kenntnisse)

  • Deutsch

    A1-A2 (Grundkenntnisse)

  • Ukrainian

    B1-B2 (Gute Kenntnisse)

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