Data Visualization Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used Data Visualization
Claudia Clemens
Last position:
Process Analysis and Optimization at Pferdezüchterverband
Hervé Teguim
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
Henok Abraham
Last position:
Founder and Managing Director at Afworki GmbH IT-Consulting
The goal of Afworki GmbH IT-Consulting is to make small and medium-sized companies more competitive by overcoming challenges in digitalization, automation, and data management.
Tailored technology, strategy, and specialist consulting designed to meet the individual needs of each company.
Analyzing the company's current situation and developing the best possible solution together with the client.
Using both agile and classical IT project management methods to deliver projects on time and within budget.
Focusing on automating and orchestrating all data flows in a data warehouse to create a unified and standardized data foundation.
Considering the dependencies between IT and business to achieve sustainable positive effects.
Employing modern strategies and tools specifically tailored to the company's needs.
Supporting digitalization, the introduction of agile working methods, and the creation of up-to-date reports and analyses.
Objective: streamlining management and enabling well-founded, data-driven decision-making.
Mugisha Enock
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
Jean Erge Ekeu Tcheumeni
Last position:
Engineer - Automation Technology at Ravensburg Milchwerke GmbH
- Plan and design complex production systems as part of a team
- Develop and modify electrical circuit diagrams
- Design electrical machine controls and drive technology
- Troubleshoot electronic assemblies
- Develop PLC and visualization software as well as process control software
- Identify and implement optimization measures
- Create operating instructions
- Ensure IT security of all operational technology
- Support building services
- Technologies: Eplan P8, PCS7, ProLeiT, PlantiT, TIA, S7
Aida Khalfallah
Last position:
Sales Assistant at Bakery Schollin
- Customer service and point-of-sale (cash register) operations
- Inventory management and stock organization
- Strengthened German language skills through daily customer interaction
- Worked collaboratively in a fast-paced, team-oriented environment
Sarisha Paudel
Last position:
Inventory Clerk (Internship) at T and S import export
- Supported administrative processes by maintaining accurate records and reports.
- Coordinated with cross-functional teams to improve communication and delivery alignment.
- Implemented structured workflow tracking systems for enhanced operational transparency.
- Supported management with regular reporting and performance summaries in Excel.
Orlando Nguyen
Last position:
Workshop on Machine Learning and Large Language Models
- Introduction, discussion, and hands-on session for a client in the staffing industry
Alain Gérard Ename
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
Rüdiger Kohl
Last position:
Data Analyst and Reporting Manager at Energieversroger
Implemented Power BI reporting for various departments at an energy provider. Agile project: responsible for organizing and coordinating with departments and IT, and regularly presented interim steps and results to project management.
Eugene Tefong
Last position:
Freelancer at 3d-statistical-learning
- Data preparation and analysis of user behavior for targeted marketing strategies
- Development and implementation of machine learning models, B2C customer segmentation and cluster analysis with Python
- Use of openpyxl and pandas for efficient automation, cleaning and standardization of datasets
- Close collaboration with interdisciplinary teams to integrate data-driven insights; result: +15% increase in marketing efficiency through improved customer retention
- Technologies & Tools: Python (Pandas, NumPy, scikit-learn), SQL (SQLAlchemy), Jupyter Notebook, creation of analysis and result reports (PDF, Word, Excel)
Dirk Lindgens
Last position:
Partner at CAPITALENT Gmbh
- Executive Search in the energy market
- Supporting companies in the sector with reorganization projects and with filling first- and second-level management positions during transformation processes
Discover over 15,000 top freelancers
Statistics of experts using Data Visualization
Aggregated from the professional profiles of matched freelancers.
Experience
14 years (Germany: 15 years)
Position duration
1.7 years (Germany: 3 years)
Positions per freelancer
9
Top business areas
Business Intelligence, Project Management, Information Technology
Top industries
Information Technology, Education, Insurance
Certification focus areas
Business Intelligence, Project Management, Information Technology
Bachelor's degree or higher
91% (Germany: 92%)
Master's degree or higher
55% (Germany: 67%)
Doctorate
9% (Germany: 11%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Essen are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Essen using Data Visualization
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Clear data stories
Data visualization turns complex data into charts, dashboards, and reports people can act on. It helps teams spot trends, compare results, and explain performance without digging through rows of numbers. Strong work makes the story obvious at a glance.
Common deliverables
- Management dashboards for finance, sales, and operations
- KPI views for internal reporting and planning
- Interactive charts for product, marketing, and customer data
- Data storytelling for presentations and decision support
Tools and stacks
Professionals in this field often work with Tableau, Power BI, Looker, Qlik, and D3.js. They also handle the data layer behind the visuals, including SQL, data models, and warehouse outputs. The best specialists know when to use standard BI tools and when a custom visual is a better fit.
When to bring in help
Companies hire freelance expertise when reporting is inconsistent, dashboards are slow, or teams need a clearer view of business data. This is common during BI rollouts, analytics redesigns, and product launches. In Essen, it also fits teams that need smooth collaboration with local stakeholders while keeping delivery flexible for remote work.
What strong specialists do
Strong professionals design for the audience first, then tune the chart type, layout, and filters to the question being asked. They clean and shape data, choose the right granularity, and avoid misleading visuals. They also document logic so future teams can maintain the work without guesswork.
Quality signals
Look for specialists who can explain why a chart is used, not just how to build it. Good work is readable, consistent, and easy to refresh when the source data changes. For projects in Essen, clear communication in English is often enough, but strong cooperation with German-speaking teams is a plus.
Frequently asked questions
Key details about Data Visualization, drawn from the questions we get asked most.
A strong Data Visualization specialist turns raw data into charts, dashboards, and reports that answer a real business question. They also shape the underlying data so the visual output stays accurate and easy to update. Good specialists focus on clarity, not decoration.
Hire a Data Visualization freelancer when reporting is scattered, manual, or hard to trust. It also makes sense when you need a new dashboard quickly, want to improve an existing BI setup, or need help choosing the right visual approach for a specific audience.
Data Visualization is the broader practice; Power BI, Tableau, and Looker are tools used to deliver it. A specialist may work inside one of these products or build custom visuals with D3.js or similar libraries. The right choice depends on the data source, the audience, and how much interaction you need.
A good Data Visualization expert usually brings SQL, data modeling, and dashboard design skills. Many also understand analytics, UX, and business reporting needs. Without those skills, visuals can look polished but still answer the wrong question.
A Data Visualization project can be simple or complex depending on the data quality and the number of stakeholders. A small reporting cleanup may need focused support, while a company-wide analytics layer needs someone who can think through structure, refresh logic, and governance. The key is proven delivery on similar work.
Yes, Data Visualization work is often well suited to remote collaboration because most tasks happen in shared tools and data environments. For teams in Essen, on-site workshops can still help at the start when aligning on metrics, audiences, and reporting needs. After that, remote delivery is usually straightforward.
Review whether the Data Visualization specialist can explain every chart choice in plain language. Good work uses the right chart, keeps labels clear, avoids clutter, and matches the audience's decision needs. Ask to see examples of dashboards, reporting logic, and how they handle changes in source data.
No, Data Visualization also covers executive summaries, product analytics views, operational reporting, and presentation graphics. Dashboards are common, but many projects need a mix of static and interactive visuals. A strong specialist knows which format fits the decision at hand.
The average hourly rate of freelancers in Essen, Germany who have used Data Visualization in their recent projects is 79 €, which corresponds to a daily rate of about 632 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Data Visualization in their recent projects, 91% hold at least a Bachelor's degree, 55% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Essen, Germany who have used Data Visualization in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Essen, Germany who have used Data Visualization in their recent projects are German (100%), English (92%), and French (67%).
The most common industries among freelancers in Essen, Germany who have used Data Visualization in their recent projects are Information Technology (67%), Education (50%), and Insurance (42%).
The most common business areas among freelancers in Essen, Germany who have used Data Visualization in their recent projects are Business Intelligence (67%), Project Management (67%), and Information Technology (58%).
Main locations of FRATCH Experts, who have recently used Data Visualization
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.
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Hamburg 
Munich 
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Frankfurt 
Dusseldorf 
Dortmund 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
