About Helena
- 15+ years of experience in Data Analytics and BI across hands-on, consulting, and leadership roles with major enterprises such as Otto Group, mobile.de/eBay, and ALDI DX.
- Mastery of analytical work grounded in a strong foundation of data strategy and architecture, ensuring insights rest on reliable, scalable data structures.
- Deep expertise in Digital Analytics, Customer Analytics, and Growth, connecting user behavior and customer data to product, marketing, and commercial decisions.
- Advanced command of SQL, Python, modern BI, and cloud data platforms with deep experience in large-scale enterprise data environments.
- Actively extending expertise into Data Science and applied AI, integrating ML and GenAI methods into analytics workflows and business use cases.
- Delivery-oriented consultant with end-to-end ownership, from problem framing and data work to decisions landed with the business.
TECH STACK
- BI & ANALYTICS: Tableau, Looker, Looker Studio, Power BI
- DIGITAL ANALYTICS: GA4, GTM, Matomo, Optimizely
- DATA SCIENCE & ML: TensorFlow, Keras, Hugging Face, scikit-learn, statsmodels, pandas, NumPy
- DATA PLATFORMSGoogle Cloud Platform (GCP), Azure, Databricks, dbt, Apache Spark, Docker, MLflow
- DATABASESBigQuery, Exasol, Postgres, MySQL, MS SQL Server, Teradata, MongoDB
- PROGRAMMING LANGUAGESSQL (+++), Python (+++), JavaScript (++), Bash (++), Java (+)
German
Native or bilingual
English
Fluent
Russian
Native or bilingual
Can work on-site
Hamburg (up to 50km), Berlin (up to 50km)
Experience
- IndependentDATA ANALYTICS CONSULTANTDIGITAL AND ITJanuary 2024 - Today (2 years and 5 months)Hamburg, Germany
- ALDI DX, INTERNATIONAL DATA & ANALYTICS - Delivered a global warehouse analytics solution with harmonized data models, providing management with a consistent performance view across international markets.
- ALLIANCE AUTOMOTIVE GROUP - Led an analytics initiative to improve product availability by identifying customer-driven demand patterns and defining an assortment optimization approach. Developed a tracking and measurement concept for the online platform.
- PEAKS & PIES GMBHSenior Data Analytics ConsultantDIGITAL AND ITMarch 2020 - August 2023 (3 years and 6 months)Berlin, Germany
- Lead analytics consultant for the MOBILE.DE/EBAY Transactional Services business unit.
- Owned analytics workstreams across strategic initiatives, including new web tracking implementation, data mesh migration, and analytics roadmap development.
- Built a strong understanding of customer behavior and needs through journey and funnel analyses, defining and measuring retention, engagement, and conversion across key touchpoints to inform product decisions.
- Drove growth and enhanced digital user experiences by designing and executing A/B tests, user research, and CRO analyses, translating insights into concrete improvements.
- Defined KPI frameworks and reporting to improve visibility into performance drivers, enabling new product launches and continuous optimization.
- OTTO (GmbH & Co KG)Data AnalystRETAIL (SMALL BUSINESS)June 2017 - April 2019 (1 year and 11 months)Hamburg, Germany
- Led the Analytics Skill Group within a matrix organization, defining the analytics roadmap and portfolio priorities and providing functional leadership for initiatives across the group.
- Owned end-to-end technical leadership of multiple strategic analytics products and initiatives, from requirements engineering and data infrastructure development through analytics solution delivery, including Marketing Data Hub, CLV, and assortment analytics.
- Delivered deep dive analyses and insights across customer journey, customer lifetime value, profiling and broader e-commerce and web analytics.
- Acted as an internal analytics consultant across the group on analytics, BI and digital business, advising stakeholders and contributing to major e-commerce analysis initiatives.
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Education
- Wirtschaftsinformatik, DiplomUniversität Hamburg2010Major business informatics and software system technology, minor in mathematics. Diploma in Business Information Systems.