DAX Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used DAX
Sarvesh L.
Last position:
Data Analytics for Renewable Energy Integration at Harz University
- Created data pipelines and visualization tools to support sustainable energy decision-making
- Developed insights that could optimize renewable energy deployment and grid integration strategies
Asım Y.
Last position:
Freelance BI/DWH/ETL Specialist at Akbank
- Setting architectural standards for Informatica Power Center development teams
- Maintenance-performance-health for DWH (Exadata) environments
- Qlik Sense / BO reports architectural standards
- Implementing best practices in ETL tasks
- Documentation ETL standards on Confluence
- Dynamic Data Masking rules for GDPR/KVKK regulations by using Informatica DDM tool
- DWH Data model Power Designer
- Upgrade Qlik Sense versions
- Merge all Informatica server's repository databases on one Oracle DB
Hervé T.
Last position:
Senior Data Engineer at Schweizerische Post AG
Tools: Fabric, AWS, dbt, Power BI, SQL, DWH, R, Python
- Supported customers in implementing an architecture design for extracting and preparing data
- Planned the design and implementation of the BI and DWH platform
- Ensured the scalability and performance of the data platform
Abdulhasib M.
Last position:
Power BI Developer / BI Consultant at Telair International GmbH
- Development of Power BI reports, measures, and KPIs for sales, purchasing, materials management, warehousing, and production
- Analysis of the proALPHA database (Progress OpenEdge) and high-performance SQL queries for extraction and transformation
- Data models, ETL processes, and pipelines including automated refresh via Power BI Service and Data Gateway
- Gathering requirements and implementation in close coordination with the specialist departments
Selected projects:
- Sales report: revenue, incoming orders, and order status
- Purchasing report with automated purchase suggestions (Power Automate)
- Monitoring of missing parts for production and materials management
- Production bills of materials on Microsoft Fabric including deployment pipeline (Dev → Prod)
- Forecast comparison report
- Central Power BI apps that bundle all reports by department
Technologies: Power BI, DAX, Power Query (M), SQL, proALPHA, Progress OpenEdge, Microsoft Fabric, Power Automate, Python
Mugisha E.
Last position:
Freelancer Business Data Analyst at Study Boundless
- Manage WordPress websites, ensuring SEO-friendly structures and high-performance functionality
- Create and optimize Google Ads campaigns, leveraging data to enhance conversion rates and ROI
- Develop Looker Studio & Power BI dashboards to track customer behavior, sales trends, and digital performance
- Implement Google Tag Manager (GTM) and Google Analytics (GA4) to enable precise event tracking and reporting
Alain Gérard E.
Last position:
Business Analysis / Requirements Engineering at 1&1
- Creating the functional specification for a dashboard solution for E2E management in the 5G deployment team in an Open RAN architecture
- Developing dashboards and reports with Power BI Desktop (data connection using Power Query, KPI calculations with DAX, publishing to Power BI Service)
- Developing solutions with Power Apps
- Integrating Power BI reports into Dynamics 365 Business Central
Discover over 15,000 top freelancers
Statistics of experts using DAX
Aggregated from the professional profiles of matched freelancers.
Experience
13 years (Germany: 16 years)
Position duration
1.8 years (Germany: 2.9 years)
Positions per freelancer
9 (Germany: 11)
Top business areas
Business Intelligence, Information Technology, Operations
Top industries
Information Technology, Education, Healthcare
Certification focus areas
Business Intelligence, Product Development, Information Technology
Bachelor's degree or higher
100% (Germany: 98%)
Master's degree or higher
83% (Germany: 73%)
Doctorate
17% (Germany: 9%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 95%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Essen are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Essen using DAX
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
DAX experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (83%)
- Education (50%)
- Healthcare (50%)
- Manufacturing (50%)
- Aerospace and Defense (33%)
- Automotive (33%)
- Banking and Finance (33%)
- Insurance (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
DAX fundamentals
DAX, short for Data Analysis Expressions, is the formula language behind analytical models in Power BI, Power Pivot and SQL Server Analysis Services Tabular. It calculates measures, calculated columns and calculated tables over related business data. Its results depend on filter context, row context and the evaluation behavior of the model.
Where DAX is used
Companies use DAX to turn operational data into interactive reporting and governed metrics.
- Power BI dashboards for finance, sales, supply chain and operations
- Executive scorecards with consistent business definitions
- Time intelligence for periods, forecasts and comparisons
- Tabular models for reusable self-service analytics
- Excel Power Pivot reports for specialist analysis
Ecosystem and tooling
DAX specialists work across Power BI Desktop and Service, Excel Power Pivot and Analysis Services Tabular. They often combine DAX with Power Query and its M language for ingestion and transformation, SQL for source queries, and data gateways for refresh. VertiPaq storage, relationships, star schemas and calculation groups all affect model behavior and performance.
When expertise matters
Freelance expertise is useful when reports become slow, measures disagree across departments or a semantic model needs a clear structure. It also helps during Power BI migrations, new data-warehouse projects and the replacement of spreadsheet-based reporting. Strong specialists clarify business definitions before writing formulas, then document assumptions so teams can maintain the model.
- Diagnose incorrect totals, filter propagation and context transitions
- Refactor expensive measures and improve model design
- Establish naming, testing and documentation standards
What strong specialists deliver
A capable DAX professional understands both the formula and the data model behind it. They can explain why CALCULATE changes filter context, distinguish measures from calculated columns and use variables to make logic readable. They validate edge cases such as blank values, inactive relationships, custom calendars and totals that require different business logic.
Selecting the right fit
Assess specialists through a real reporting scenario rather than formula trivia. Ask how they would model the relationships, define grain, test a measure and investigate a slow visual. For teams in Essen, clarify whether workshops require on-site collaboration or can run remotely, and agree on the language used for business definitions and documentation. The best fit combines DAX depth with clear communication and practical Power BI delivery.
Frequently asked questions
Not sure where to start with DAX? These answers cover the essentials.
DAX is used to define calculations in Power BI, Excel Power Pivot and Analysis Services Tabular models. Companies use it for measures, calculated columns, time intelligence, financial logic and reusable business metrics.
DAX calculates results inside an analytical model, while SQL usually retrieves and shapes data at the source. Power Query M handles data extraction and transformation before loading, so the three languages often work together rather than replace one another.
A strong DAX specialist should understand dimensional modeling, relationships, Power BI, Power Query M and SQL. Knowledge of VertiPaq storage, data refresh, gateways and governance is also valuable when reports need to run reliably in production.
The right level depends on the model and the business rules. A simple Power BI report may need focused measure support, while a shared semantic model requires proven skill with filter context, performance tuning, calculation groups and testing.
DAX work is often well suited to remote collaboration because models, reports and requirements can be reviewed online. Essen-based companies should define access to Power BI workspaces, data sources and gateways, then decide whether key discovery sessions need to be on site.
Bring in a DAX expert when measures produce unexpected totals, dashboards are slow, departments use conflicting definitions or an existing model needs restructuring. Freelancers are also useful for short-term migrations, capacity work and knowledge transfer.
Ask the specialist to explain filter context, relationship behavior and the expected result for edge cases. Review whether measures are readable, tested and documented, and check that the model uses an appropriate grain and star-schema structure.
A reliable DAX professional connects formulas to business meaning, model design and report performance. They ask precise questions, validate results against source data and make trade-offs clear instead of hiding complexity inside opaque expressions.
The average hourly rate of freelancers in Essen, Germany who have used DAX in their recent projects is 93 €, which corresponds to a daily rate of about 747 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used DAX in their recent projects, 100% hold at least a Bachelor's degree, 83% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Essen, Germany who have used DAX in their recent projects have 13 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Essen, Germany who have used DAX in their recent projects are German (100%), English (100%), and Spanish (33%).
The most common industries among freelancers in Essen, Germany who have used DAX in their recent projects are Information Technology (83%), Education (50%), and Healthcare (50%).
The most common business areas among freelancers in Essen, Germany who have used DAX in their recent projects are Business Intelligence (100%), Information Technology (100%), and Operations (67%).
Main locations of FRATCH Experts, who have recently used DAX
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund 
Essen Bremen Dresden Hanover Nuremberg 
Berlin 
Munich 
Cologne 
Frankfurt 
Dusseldorf Countries:
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