Judith B.-Power BI / Tableau / SQL / GA4 Data Analyst & BI Developer
Check rate
Experience
BI & Analytics Consulting
- Analysis of web and campaign performance to derive actionable insights for marketing and growth optimization
- Implementation and maintenance of tag management solutions to ensure reliable and consistent data collection
- Continuous development and optimization of reporting structures with a focus on scalability and data quality
- Conducting regular deep-dive analyses and leading monthly stakeholder sessions to present results and align on optimization measures
- Design and operation of end-to-end data flows from data collection to visualization
- Tools: GA4, Google Tag Manager, Looker Studio, Airbyte, BigQuery
Senior Consultant Performance Management
- Design and automation of Power BI dashboards for performance management, campaign management and KPI-based decision-making
- Translation of complex business cases (e.g. project rollouts, price adjustments) into standardized, management-ready KPI systems and reports
- Provision of advanced analysis, forecasting and control group views to support commercial management and short-term planning
- Ensuring sustainable use through documentation, training concepts and structured handover to operational teams
- Tools: Power BI, SQL, Excel
Senior Consultant Performance Management
- Design and automation of Power BI dashboards for performance management, campaign management and KPI-based decision-making
- Translation of complex business cases (e.g. project rollouts, price adjustments) into standardized, management-ready KPI systems and reports
- Provision of advanced analysis, forecasting and control group views to support commercial management and short-term planning
- Ensuring sustainable use through documentation, training concepts and structured handover to operational teams
- Tools: Power BI, SQL, Excel
Data Analyst
- Development and management of end-to-end analysis and interpretation processes for product data
- Creation of clearly structured product insights reports and derivation of recommendations to support marketing and product strategies
- Use of analytical methods to promote data-driven decisions with the aim of increasing product acceptance and market impact
- Conducting comprehensive data analyses with Adobe Analytics and other digital marketing tools (e.g. Vico)
- Tools: Adobe Analytics, VICO, Power BI, Mouseflow, SAP
BI & Analytics Consulting
- Strategic consulting in web analytics and social media reporting, supporting stakeholders in defining relevant KPIs and decision-relevant insights
- Design and optimization of reporting landscapes to represent marketing performance, social media effectiveness and website analytics; development of frameworks for web and campaign analyses
- Tag management and ensuring data quality to guarantee reliable and scalable tracking across digital touchpoints
- Tools: Data Studio, Big Query, Pipes, Adobe Analytics, Adobe Launch, Google Analytics, Power BI, Excel
Data Analyst / Senior Data Analyst / Head of Analytics
- Overall responsibility for analytics strategy, processes, tools, and delivery, as well as leading and developing a cross-functional Data & Analytics team
- Design and implementation of scalable BI frameworks across retail, ecommerce, e-shop, and campaign reporting, for example in the areas of e-commerce visibility, competitor monitoring, price comparison, and rating/review analysis
- Management of complex, domain-specific analytics initiatives, e.g. category management models for >120 retail stores (store performance, potential analysis, correlations) as well as comprehensive BI solutions in the areas of web analytics, marketing, project and asset management (Consumer Electronics & Real Estate)
- Responsibility for data infrastructure, architecture, and governance, from data modeling and ETL processes to visualization (Tableau, Power BI) and stakeholder enablement
- Ensuring decision-ready insights for senior management and key clients
- Tools: Tableau, Adverity, Excel, Adobe Analytics, Google Analytics, Google Tag Manager, Python, R, Brandwatch, Netbase, Hotjar, Contentsquare, Dexi, Amazon Redshift, PowerBi
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Advertising, Professional Services, Telecommunication, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence, Marketing, Information Technology, Product Development, and Operations.
Summary
Data Analyst & BI Developer with strong focus on dashboarding, marketing analytics and data modeling.
Core stack:
Power BI, Tableau, Looker Studio SQL (MS SQL Server, BigQuery, Redshift), ELT/ETL( Alteryx, Adverity, Talend, Pipes, Airbyte) GA4, Adobe Analytics, Google Tag Manager, Adobe Launch Brandwatch, Talkwalker, Netbase, Hotjar, Contentsquare
Services:
Dashboard creation & automation KPI reporting systems Marketing & campaign analytics Data integration & reporting structures
Skills
Business Intelligence & Analytics: Kpi Definition – Dashboard Design & Implementation – Executive & Operational Reporting – Data-Driven Decision Support – Stakeholder Consulting
Data Analytics & Modeling: Data Modeling (Star Schema, Semantic Models) – Sql-Based Analysis – Data Warehouse & Data Marts – Kpi Logic & Measures (Dax) – Aggregations & Performance Optimization
Bi & Visualization Tools: Power Bi – Tableau – Looker Studio
Data Engineering & Integration: Etl/Elt Processes – Data Integration From Heterogeneous Sources – Structuring & Harmonization Of Kpi Definitions – Quality Assurance & Documentation
Marketing & Digital Analytics: Affiliate & Performance Reporting – Web & Campaign Analytics – Conversion Optimization – A/B Testing – Adobe Analytics – Ga4 – Social Listening
Retail & Ecommerce Analytics: Pos Analysis – Sales & Sell-Through Statistics – Customer Behaviour & Shopper Insights – Category Management – Channel Performance & Campaign Optimization – Price & Competitor Monitoring
Python, R, Sql, Spss, Power Bi, Tableau, Looker, Adobe Dynamic Tag Manager, Adobe Launch, Gtm, Adobe Analytics, Ga4, Brandwatch, Talkwalker, Netbase, Hotjar, Contentsquare, Piwik, Dexi, Amazon Redshift, S3, Boldbi, Bigquery, Adverity, Pipes
Languages
Education
Zeppelin University Friedrichshafen
Promotion in Soziologie · Sociology · Friedrichshafen, Germany
Universität Trier
Magister Artium in Soziologie · Sociology · Trier, Germany · sehr gut
Universität Trier
Diplom in Erziehungswissenschaft · Educational Science · Trier, Germany · mit Auszeichnung
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Judith is based in Frankfurt am Main, Germany and can operate in on-site, hybrid, and remote work models.
Judith speaks the following languages: German (Native), English (Advanced), French (Intermediate), Italian (Intermediate), Spanish (Elementary).
Judith has at least 7 years of experience. During this time, Judith has worked in at least 4 different roles. The average length of individual experience is 1 year and 3 months. Note that Judith may not have shared all experience and actually has more experience.
Based on recent experience, Judith would be well-suited for roles such as: BI & Analytics Consulting, Senior Consultant Performance Management, Data Analyst.
Judith's most recent position is BI & Analytics Consulting.
Judith is most experienced in industries like Advertising, Professional Services, and Telecommunication. Judith also has some experience in Manufacturing.
Judith is most experienced in business areas like Business Intelligence, Marketing, and Information Technology. Judith also has some experience in Product Development and Operations.
Judith has recently worked in industries like Professional Services, Telecommunication, and Manufacturing.
Judith has recently worked in business areas like Business Intelligence, Marketing, and Information Technology.
Judith holds a Doctorate in Sociology from Zeppelin University Friedrichshafen and a Master in Sociology from Universität Trier.
Judith will be available part-time from January 2027.
Daily rate distribution
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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