Principal Data Analyst | Data & Digital Analytics | Applied AI | BI | Data Engineering & Strategy
Aktualisiert am 15.12.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.01.2026
Verfügbar zu: 100%
davon vor Ort: 100%
* Data Analytics
Business Intelligence
Digital Analytics
Tableau
SQL
Python
Data Engineer
Datenmanagement
WebAnalyse
Looker
MS Power BI
Google Cloud
Azure
Databricks
BigQuery
Reporting
Google Analytics
Google Tag Manager
Optimizely
customer journey
A/B Testing
CRO
AI
German
Native-level
English
Fluent
Russian
Native
Spanish
Beginner

Einsatzorte

Einsatzorte

Hamburg (+300km) Berlin (+100km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 Jahre
2024-01 - heute

INTERNATIONAL DATA & ANALYTICS

FREELANCE PRINCIPAL DATA ANALYST
FREELANCE PRINCIPAL DATA ANALYST
  • ALDI DX, INTERNATIONAL DATA & ANALYTICS - Delivered analytical solutions for logistics performance, improving transparency of warehouse KPIs and enabling data-driven management.
  • ALLIANCE AUTOMOTIVE GROUP - Led an analytics initiative to improve product availability by identifying customer-driven demand patterns; defined recommendations and process for assortment optimization.
various
3 Jahre 7 Monate
2020-03 - 2023-09

Supporting the migration to a data mesh architecture

Senior Data Analytics Consultant
Senior Data Analytics Consultant
  • Served as the key analytics consultant for the MOBILE. DE/EBAY Transactional Services business unit.
  • Played a strategic role in initiatives such as implementing new web tracking, supporting the migration to a data mesh architecture, and shaping the analytics roadmap.
  • Analyzed customer journeys and behavioral patterns, measuring retention, engagement and conversion across user cohorts to inform product decisions.
  • Collaborated with product, marketing and UX teams to optimize digital experiences, identify growth opportunities and drive experimentation through A/B tests, user surveys and CRO audits.
  • Developed KPI frameworks and reporting to enhance visibility into product performance and support product development.
PEAKS & PIES GMBH
Hamburg/Berlin
10 Monate
2019-05 - 2020-02

SABBATICAL

dedicated time off for travel and personal development

1 Jahr 11 Monate
2017-06 - 2019-04

Matrix organization

Data Analyst
Data Analyst
Digital Excellence Division
  • Led the Analytics skill group in a matrix organization, providing technical direction and stakeholder guidance.
  • Owned the project to build a Marketing Data Hub: requirements, MVP, reporting, enablement and training for data-driven marketing.
  • Executed a diverse range of analytics use cases, including customer journey and customer lifetime value analyses, profiling, and other e-commerce & web analyses.
  • Provided expert consulting in analytics, BI and digital business; contributed to comprehensive ecommerce analysis initiatives.
OTTO (GMBH & CO KG), , Retail and Services Group
Hamburg
4 Jahre 3 Monate
2013-03 - 2017-05

Group Business Intelligence

Data Architect
Data Architect
  • Played a key role in a group-wide digital analytics initiative, defining and overseeing the implementation of e-commerce tracking for 100+ web shops and ensuring a reliable data foundation.
  • Served as Technical Project Owner for the development of a group-wide e-commerce reporting system.
  • Contributed to the creation of an innovative real-time visualization application for e-commerce performance.
  • Performed advanced analytics, visualization and reporting for various departments and the Management Board.
  • Actively supported the establishment of the group?s Big Data infrastructure: tool introduction, data structures, pipelines.
OTTO (GMBH & CO KG), Retail and Services Group
Hamburg
2 Jahre 6 Monate
2010-09 - 2013-02

Development of the enterprise data warehouse

Business Intelligence Developer
Business Intelligence Developer
  • Performed data analysis and supported multiple departments, strengthening data-driven decision-making across the organization.
  • Managed and optimized the reporting infrastructure, improving accessibility and reporting efficiency.
  • Contributed to the development of the enterprise data warehouse by defining data structures, models and processing pipelines.
BLAU MOBILFUNK GMBH
Hamburg
5 Monate
2010-04 - 2010-08

e-commerce IT project management

Working student
Working student

OTTO (GMBH & CO KG), Retail and Services Group
Hamburg

Aus- und Weiterbildung

Aus- und Weiterbildung

8 Jahre 1 Monat
2002-08 - 2010-08

BUSINESS INFORMATION SYSTEMS

DIPLOMA (2.1), University of Hamburg
DIPLOMA (2.1)
University of Hamburg

  • Major: Business Informatics & Software System Technology
  • Minor: Mathematics

1 Jahr
2001-08 - 2002-07

School Education

UNIVERSITY ENTRANCE QUALIFICATION, Business High School Hamburg
UNIVERSITY ENTRANCE QUALIFICATION
Business High School Hamburg


Position

Position

PRINCIPAL DATA ANALYST

Kompetenzen

Kompetenzen

Top-Skills

* Data Analytics Business Intelligence Digital Analytics Tableau SQL Python Data Engineer Datenmanagement WebAnalyse Looker MS Power BI Google Cloud Azure Databricks BigQuery Reporting Google Analytics Google Tag Manager Optimizely customer journey A/B Testing CRO AI

Schwerpunkte

DATA & DIGITAL ANALYTICS
APPLIED AI
BI
DATA ENGINEERING & STRATEGY

Produkte / Standards / Erfahrungen / Methoden

Profile

  • 15+ years of experience in Data Analytics and BI, combining strong analytical depth, technical expertise and business acumen.
  • Strong track record in consulting, project management and leadership, delivering measurable impact across digital business, e-commerce and logistics.
  • Advanced skills in BI tools, SQL, Python and cloud analytics; experienced working with complex, large-scale data ecosystems.
  • Growing focus on Applied AI, integrating machine learning and AI-driven methods into analytical workflows and digital business use cases.
  • Known for dedication, reliability and collaborative problem-solving, with the ability to rapidly understand complex systems and deliver value.


Tools & Platforms

  • Spark
  • Kafka
  • Hadoop
  • Elasticsearch


BI & Analytics:

  • Tableau
  • Looker
  • Data Studio
  • Power BI
  • Spotfire


Cloud:

  • GCP
  • Azure


Web Analytics:

  • GA
  • GTM
  • Webtrends
  • Optimizely


ETL:

  • dbt
  • Talend

Programmiersprachen

SQL
Python
JavaScript
D3.js
Bash
PL/SQL
MDX
Java
Scala

Datenbanken

BigQuery
Databricks
Exasol
Hive
MongoDB
Postgres
Teradata
MS SQL Server

Einsatzorte

Einsatzorte

Hamburg (+300km) Berlin (+100km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 Jahre
2024-01 - heute

INTERNATIONAL DATA & ANALYTICS

FREELANCE PRINCIPAL DATA ANALYST
FREELANCE PRINCIPAL DATA ANALYST
  • ALDI DX, INTERNATIONAL DATA & ANALYTICS - Delivered analytical solutions for logistics performance, improving transparency of warehouse KPIs and enabling data-driven management.
  • ALLIANCE AUTOMOTIVE GROUP - Led an analytics initiative to improve product availability by identifying customer-driven demand patterns; defined recommendations and process for assortment optimization.
various
3 Jahre 7 Monate
2020-03 - 2023-09

Supporting the migration to a data mesh architecture

Senior Data Analytics Consultant
Senior Data Analytics Consultant
  • Served as the key analytics consultant for the MOBILE. DE/EBAY Transactional Services business unit.
  • Played a strategic role in initiatives such as implementing new web tracking, supporting the migration to a data mesh architecture, and shaping the analytics roadmap.
  • Analyzed customer journeys and behavioral patterns, measuring retention, engagement and conversion across user cohorts to inform product decisions.
  • Collaborated with product, marketing and UX teams to optimize digital experiences, identify growth opportunities and drive experimentation through A/B tests, user surveys and CRO audits.
  • Developed KPI frameworks and reporting to enhance visibility into product performance and support product development.
PEAKS & PIES GMBH
Hamburg/Berlin
10 Monate
2019-05 - 2020-02

SABBATICAL

dedicated time off for travel and personal development

1 Jahr 11 Monate
2017-06 - 2019-04

Matrix organization

Data Analyst
Data Analyst
Digital Excellence Division
  • Led the Analytics skill group in a matrix organization, providing technical direction and stakeholder guidance.
  • Owned the project to build a Marketing Data Hub: requirements, MVP, reporting, enablement and training for data-driven marketing.
  • Executed a diverse range of analytics use cases, including customer journey and customer lifetime value analyses, profiling, and other e-commerce & web analyses.
  • Provided expert consulting in analytics, BI and digital business; contributed to comprehensive ecommerce analysis initiatives.
OTTO (GMBH & CO KG), , Retail and Services Group
Hamburg
4 Jahre 3 Monate
2013-03 - 2017-05

Group Business Intelligence

Data Architect
Data Architect
  • Played a key role in a group-wide digital analytics initiative, defining and overseeing the implementation of e-commerce tracking for 100+ web shops and ensuring a reliable data foundation.
  • Served as Technical Project Owner for the development of a group-wide e-commerce reporting system.
  • Contributed to the creation of an innovative real-time visualization application for e-commerce performance.
  • Performed advanced analytics, visualization and reporting for various departments and the Management Board.
  • Actively supported the establishment of the group?s Big Data infrastructure: tool introduction, data structures, pipelines.
OTTO (GMBH & CO KG), Retail and Services Group
Hamburg
2 Jahre 6 Monate
2010-09 - 2013-02

Development of the enterprise data warehouse

Business Intelligence Developer
Business Intelligence Developer
  • Performed data analysis and supported multiple departments, strengthening data-driven decision-making across the organization.
  • Managed and optimized the reporting infrastructure, improving accessibility and reporting efficiency.
  • Contributed to the development of the enterprise data warehouse by defining data structures, models and processing pipelines.
BLAU MOBILFUNK GMBH
Hamburg
5 Monate
2010-04 - 2010-08

e-commerce IT project management

Working student
Working student

OTTO (GMBH & CO KG), Retail and Services Group
Hamburg

Aus- und Weiterbildung

Aus- und Weiterbildung

8 Jahre 1 Monat
2002-08 - 2010-08

BUSINESS INFORMATION SYSTEMS

DIPLOMA (2.1), University of Hamburg
DIPLOMA (2.1)
University of Hamburg

  • Major: Business Informatics & Software System Technology
  • Minor: Mathematics

1 Jahr
2001-08 - 2002-07

School Education

UNIVERSITY ENTRANCE QUALIFICATION, Business High School Hamburg
UNIVERSITY ENTRANCE QUALIFICATION
Business High School Hamburg


Position

Position

PRINCIPAL DATA ANALYST

Kompetenzen

Kompetenzen

Top-Skills

* Data Analytics Business Intelligence Digital Analytics Tableau SQL Python Data Engineer Datenmanagement WebAnalyse Looker MS Power BI Google Cloud Azure Databricks BigQuery Reporting Google Analytics Google Tag Manager Optimizely customer journey A/B Testing CRO AI

Schwerpunkte

DATA & DIGITAL ANALYTICS
APPLIED AI
BI
DATA ENGINEERING & STRATEGY

Produkte / Standards / Erfahrungen / Methoden

Profile

  • 15+ years of experience in Data Analytics and BI, combining strong analytical depth, technical expertise and business acumen.
  • Strong track record in consulting, project management and leadership, delivering measurable impact across digital business, e-commerce and logistics.
  • Advanced skills in BI tools, SQL, Python and cloud analytics; experienced working with complex, large-scale data ecosystems.
  • Growing focus on Applied AI, integrating machine learning and AI-driven methods into analytical workflows and digital business use cases.
  • Known for dedication, reliability and collaborative problem-solving, with the ability to rapidly understand complex systems and deliver value.


Tools & Platforms

  • Spark
  • Kafka
  • Hadoop
  • Elasticsearch


BI & Analytics:

  • Tableau
  • Looker
  • Data Studio
  • Power BI
  • Spotfire


Cloud:

  • GCP
  • Azure


Web Analytics:

  • GA
  • GTM
  • Webtrends
  • Optimizely


ETL:

  • dbt
  • Talend

Programmiersprachen

SQL
Python
JavaScript
D3.js
Bash
PL/SQL
MDX
Java
Scala

Datenbanken

BigQuery
Databricks
Exasol
Hive
MongoDB
Postgres
Teradata
MS SQL Server

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