Senior Data Analyst | Data & Digital Analytics | BI | Data Engineering & Strategy | Applied AI
Aktualisiert am 18.02.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.03.2026
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 2 Monate
2024-01 - heute

Freelance Senior Data Analyst

Senior Data Analyst
Senior Data Analyst
  •  ALDI DX, INTERNATIONAL DATA & ANALYTICS - Developed a global warehouse analytics solution with underlying data models and cross-country integrations, giving management a consistent view of warehouse performance and enabling data-driven operational decisions.

  • 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

Data Analytics Consulting

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.

  • Developed KPI frameworks and reporting to enhance visibility into product performance and support product development.

  • Optimized digital experiences and identified growth opportunities by running A/B tests, user surveys and CRO audits with product, marketing and UX teams.

  • Analyzed customer journeys and behavioral patterns, measuring retention, engagement and conversion across user cohorts to inform product decisions.

Hamburg/Berlin
10 Monate
2019-05 - 2020-02

SABBATICAL

dedicated time off for travel and personal development

6 Jahre 2 Monate
2013-03 - 2019-04

Permanent position at the OTTO Group

Data Analyst & Data Architect
Data Analyst & Data Architect

  • 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 delivery of multiple strategic analytics products and initiatives (Marketing Data Hub, CLV, Assortment Optimization), from requirements engineering and data infrastructure development to analytics solutions supporting decision making. 
  • Delivered deep dive analyses and actionable insights across customer journey, customer lifetime value, profiling and broader e-commerce and web analytics. 
  • Provided group wide internal consulting on analytics, BI and digital business, advising stakeholders and contributing to major e-commerce analysis initiatives.
  • Contributed to the establishment of the group?s Big Data infrastructure, including tool introduction, data structures, and data pipelines.
  • Played a key role in a large-scale, group-wide digital analytics project across 100+ web shops by defining tracking concepts, steering implementation and ensuring enrichment and modeling to establish a reliable data foundation.
  • Technical Product Owner for a group-wide e-commerce reporting solution, owning requirements gathering and data model definition and delivering a reporting environment to 300+ stakeholders across multiple group companies. 

Hamburg
2 Jahre 6 Monate
2010-09 - 2013-02

Career start in traditional BI

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

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 ANALYTICS
Experte
DIGITAL ANALYTICS
Experte
BI
Experte
DATA ENGINEERING
Fortgeschritten
DATA STRATEGY
Fortgeschritten
APPLIED AI
Basics

Produkte / Standards / Erfahrungen / Methoden

Data Analytics
Experte
Tableau
Experte
Looker
Experte
Power BI
Fortgeschritten
Spotfire
Fortgeschritten
GA4
Experte
GTM
Experte
Optimizely
Fortgeschritten
Google Cloud Platform
Fortgeschritten
Microsoft Azure
Fortgeschritten
dbt
Fortgeschritten
Databricks
Fortgeschritten
Apache Hadoop
Apache Spark

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 analytics, BI tools, SQL, Python and cloud data platforms; experienced in working with complex, large-scale data landscapes.
  • 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 pragmatic, collaborative problem-solving, with a strong focus on tackling complex challenges and delivering value.


TECH STACK

BI & Analytics                     Tableau, Looker, Looker Studio, Power BI, Spotfire

Digital Analytics                 GA4, GTM, Matomo, Webtrends, Optimizely

Cloud                                  Google Cloud Platform (GCP), Microsoft Azure 

Data Engineering               Databricks, dbt, Talend, Apache Hadoop, Apache Spark

Databases                           BigQuery, Exasol, Postgres, MySQL, MS SQL Server, Teradata, MongoDB

Programming Languages     SQL (+++), Python (++), JavaScript (++), Bash (++), PL/SQL (++), MDX (+), Java, Scala (+)

Programmiersprachen

SQL
Experte
Python
Fortgeschritten
JavaScript
Basics
Bash
Basics
PL/SQL
Fortgeschritten
MDX
Fortgeschritten
Java
Basics
Scala
Basics

Datenbanken

BigQuery
Experte
Exasol
Experte
Postgres
MySQL
MS SQL Server
Teradata
MongoDB

Einsatzorte

Einsatzorte

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

Projekte

Projekte

2 Jahre 2 Monate
2024-01 - heute

Freelance Senior Data Analyst

Senior Data Analyst
Senior Data Analyst
  •  ALDI DX, INTERNATIONAL DATA & ANALYTICS - Developed a global warehouse analytics solution with underlying data models and cross-country integrations, giving management a consistent view of warehouse performance and enabling data-driven operational decisions.

  • 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

Data Analytics Consulting

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.

  • Developed KPI frameworks and reporting to enhance visibility into product performance and support product development.

  • Optimized digital experiences and identified growth opportunities by running A/B tests, user surveys and CRO audits with product, marketing and UX teams.

  • Analyzed customer journeys and behavioral patterns, measuring retention, engagement and conversion across user cohorts to inform product decisions.

Hamburg/Berlin
10 Monate
2019-05 - 2020-02

SABBATICAL

dedicated time off for travel and personal development

6 Jahre 2 Monate
2013-03 - 2019-04

Permanent position at the OTTO Group

Data Analyst & Data Architect
Data Analyst & Data Architect

  • 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 delivery of multiple strategic analytics products and initiatives (Marketing Data Hub, CLV, Assortment Optimization), from requirements engineering and data infrastructure development to analytics solutions supporting decision making. 
  • Delivered deep dive analyses and actionable insights across customer journey, customer lifetime value, profiling and broader e-commerce and web analytics. 
  • Provided group wide internal consulting on analytics, BI and digital business, advising stakeholders and contributing to major e-commerce analysis initiatives.
  • Contributed to the establishment of the group?s Big Data infrastructure, including tool introduction, data structures, and data pipelines.
  • Played a key role in a large-scale, group-wide digital analytics project across 100+ web shops by defining tracking concepts, steering implementation and ensuring enrichment and modeling to establish a reliable data foundation.
  • Technical Product Owner for a group-wide e-commerce reporting solution, owning requirements gathering and data model definition and delivering a reporting environment to 300+ stakeholders across multiple group companies. 

Hamburg
2 Jahre 6 Monate
2010-09 - 2013-02

Career start in traditional BI

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

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 ANALYTICS
Experte
DIGITAL ANALYTICS
Experte
BI
Experte
DATA ENGINEERING
Fortgeschritten
DATA STRATEGY
Fortgeschritten
APPLIED AI
Basics

Produkte / Standards / Erfahrungen / Methoden

Data Analytics
Experte
Tableau
Experte
Looker
Experte
Power BI
Fortgeschritten
Spotfire
Fortgeschritten
GA4
Experte
GTM
Experte
Optimizely
Fortgeschritten
Google Cloud Platform
Fortgeschritten
Microsoft Azure
Fortgeschritten
dbt
Fortgeschritten
Databricks
Fortgeschritten
Apache Hadoop
Apache Spark

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 analytics, BI tools, SQL, Python and cloud data platforms; experienced in working with complex, large-scale data landscapes.
  • 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 pragmatic, collaborative problem-solving, with a strong focus on tackling complex challenges and delivering value.


TECH STACK

BI & Analytics                     Tableau, Looker, Looker Studio, Power BI, Spotfire

Digital Analytics                 GA4, GTM, Matomo, Webtrends, Optimizely

Cloud                                  Google Cloud Platform (GCP), Microsoft Azure 

Data Engineering               Databricks, dbt, Talend, Apache Hadoop, Apache Spark

Databases                           BigQuery, Exasol, Postgres, MySQL, MS SQL Server, Teradata, MongoDB

Programming Languages     SQL (+++), Python (++), JavaScript (++), Bash (++), PL/SQL (++), MDX (+), Java, Scala (+)

Programmiersprachen

SQL
Experte
Python
Fortgeschritten
JavaScript
Basics
Bash
Basics
PL/SQL
Fortgeschritten
MDX
Fortgeschritten
Java
Basics
Scala
Basics

Datenbanken

BigQuery
Experte
Exasol
Experte
Postgres
MySQL
MS SQL Server
Teradata
MongoDB

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