Data Visualization Experts in Vienna
for clear dashboards and decisions, matched in minutes with vetted, available freelancersHire experts who turn complex data into useful dashboards, interactive reports and clear visual stories with tools such as Tableau, Power BI and D3.js. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.
Meet FRATCH Experts in Vienna, who have recently used Data Visualization
Octavian G.
Last position:
Oracle DWH Analyst at Infomotion Gmbh
Oracle PL/SQL, Oracle SQL, ITIL
John A.
Last position:
Software Developer and DevOps Engineer at Bundesrechenzentrum (BRZ)
Refactoring and improving core APIs; implementing client change requests. Setting up metrics, traces, and logs monitoring infrastructure to support operations. Designing GitOps deployment and infrastructure as code. Applications and systems configuration in ArgoCD and Openshift. Confluence documentation of design, approach, and solution. Tech Stack: Java 8 & 21, Spring framework, JSP, JavaScript, Bash scripts, SQL, Grafana Stack, OpenTelemetry, Docker, DB2, Maven, Kubernetes Kompose.
Stefan D.
Last position:
BI Consultant in Controlling at Reutter GmbH
- Extraction, transformation, and cleansing of data from Microsoft Dynamics AX
- Creation of sales reports in Power BI
- Training employees in business intelligence
- Technologies: Power BI, SQL, SQL Server Integration Services (SSIS)
Michael L.
Last position:
IAM Developer & IT Architect at Internationale Bank
Design and implementation of new functionalities in the areas of Lifecycle Management (LCM), Role Management (RLM) and Access Governance
Adjustment of the company-wide Segregation of Duties (SoD) matrix to ensure regulatory and internal compliance requirements
Further development and configuration of recertification processes
Creation and adaptation of custom workflows, rules and tasks in SailPoint IdentityIQ (BeanShell, XML, Java)
Use of static code analysis with SonarQube to ensure code quality and compliance with defined development standards
Regular code reviews within the development team to ensure quality, share knowledge and follow clean code principles
Work in an agile Scrum team with daily communication, sprint planning and reviews
Coordination with testers, test managers and business departments to ensure quality and smooth production rollout
Active involvement in release planning and deployment coordination, including test preparation, cutover activities and rollback strategies
Analysis and sustainable resolution of issues in the IAM production environment (2nd- and 3rd-level support)
Reproduction of complex errors, identification of root causes and implementation of lasting fixes
Creation of technical analyses and recommendations for operations and further development
Michael O.
Last position:
Gas station attendant at Shell
- Accurate handling of customer transactions under time pressure, including cash and register processing with high care
- Reliable, consistent performance in a fast-paced, customer-focused environment; strengthened organization and multitasking skills
Stéphane L.
Last position:
Expert BI Consultant at Freelance
- Project management
- Design, optimization, query, reporting, and data modeling
- Liaising with clients / training
- Design, optimization, and development of query, reporting, and data architecture
- SAP SAC
- Story
- Data Action
- Planning
- SAP Datasphere
- SAP BTP
- MS Power BI
- DAX
- Power Query
- IBM Cognos Reporting
- Framework Manager
Dániel N.
Last position:
Postdoctoral Researcher - Theoretical and Computational Physics at Radboud University
- Built and maintained C and C++ simulation engines with Python analysis for studies of 4D random geometries on shared HPC systems.
- Developed modular Python pipelines with clear interfaces and caching for large datasets to improve analysis throughput and reuse.
- Automated SLURM and PBS batch workflows for submission, monitoring, environment capture, and artifact packaging to ensure reproducibility.
- Refactored utilities into tested, documented packages to lower maintenance effort and support collaboration.
- Supervised BSc students and organized seminars.
- Published several peer-reviewed papers.
Lulzim B.
Last position:
Centralized monitoring
- Setup and maintain Prometheus and Grafana via Docker for more than 2.000 services.
- Setup CI/CD with Ansible to provision and maintain Prometheus and Grafana.
- Metrics visualization and segregation in multiple dynamic dashboards.
- Setup of real time alerting for critical services.
Peter K.
Last position:
Sabbatical
Discover over 15,000 top freelancers
Statistics of experts using Data Visualization
Aggregated from the professional profiles of matched freelancers.
Experience
16 years
Position duration
2.3 years
Positions per freelancer
13
Top business areas
Information Technology, Operations, Business Intelligence
Top industries
Information Technology, Energy, Banking and Finance
Certification focus areas
Business Intelligence, Information Technology, Product Development
Bachelor's degree or higher
89%
Master's degree or higher
89%
Doctorate
11%
Certifications per freelancer
4
Most common languages
German, English, Spanish
Speak two or more languages
100%
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 Vienna 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 Vienna 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Data Visualization 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 (56%)
- Energy (44%)
- Banking and Finance (44%)
- Telecommunication (44%)
- Transportation (33%)
- Professional Services (33%)
- Healthcare (22%)
- Insurance (22%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What it does
Data Visualization converts structured and unstructured data into charts, dashboards, maps and interactive reports. It helps teams spot trends, compare performance and explain findings without relying on raw tables. Strong work connects visual form with a clear business question, not decoration alone.
Common deliverables
- Executive dashboards for financial, operational and commercial metrics
- Interactive reports with filters, drill-downs and role-based views
- Geospatial maps for sales, logistics, assets or public services
- Exploratory visual analysis for product, risk and customer data
- Accessible charts and reporting systems for recurring decisions
These deliverables may serve internal teams, customer-facing products or analysts who need a reliable way to explore large datasets.
Tools and skills
The ecosystem includes Tableau, Microsoft Power BI, Looker, Qlik, Plotly, D3.js and Python libraries such as Matplotlib, Seaborn and Bokeh. Specialists often work with SQL, data warehouses, APIs, spreadsheets and business intelligence models. They also need sound knowledge of chart selection, interaction design, accessibility, governance and performance.
When to bring expertise
- Existing reports are slow, inconsistent or difficult to interpret
- A company needs one trusted view across several data sources
- Analysts spend too much time preparing charts manually
- A product requires embedded analytics or interactive exploration
- Leaders need a clearer way to monitor operational risk or growth
In Vienna, freelance support can fit financial services, manufacturing, logistics, research, public institutions and technology companies. Remote collaboration works well when data access, review routines and stakeholder language are agreed early.
What quality looks like
A strong professional starts with the audience, decision and data grain before selecting a chart. They validate definitions, document transformations and test dashboards with real users. Good visualizations remain readable under pressure, load efficiently and make uncertainty visible instead of hiding it behind polished graphics.
Planning a project
Define the decisions the finished work must support, the available sources and the people who will maintain it. Clarify security, refresh schedules, ownership and whether the output belongs in a BI tool, a web application or a presentation workflow. Vienna-based teams may prefer on-site workshops, while distributed projects need written requirements and regular screen-sharing reviews.
Frequently asked questions
Not sure where to start with Data Visualization? These answers cover the essentials.
Data Visualization is used to reveal patterns, changes, relationships and exceptions in data. Companies apply it to executive dashboards, operational monitoring, customer analysis, financial reporting, research and interactive product features.
Data Visualization focuses on how information is represented and explored, while business intelligence usually covers the broader process of collecting, modelling, governing and reporting data. In practice, the two overlap through tools such as Power BI, Tableau and Looker.
A capable Data Visualization specialist may work with Tableau, Power BI, Qlik, Looker, D3.js, Plotly or Python libraries such as Matplotlib and Seaborn. The right combination depends on data sources, audience, interactivity, deployment needs and existing company standards.
A strong Data Visualization professional usually brings SQL, data modelling, dashboard design and stakeholder communication. Experience with APIs, cloud warehouses, accessibility, statistics, user research or embedded analytics can also be important.
A simple reporting view may need focused support, while a governed analytics environment calls for deeper Data Visualization experience. Assess the complexity of the sources, the number of audiences, the refresh process, security requirements and whether the work must integrate into a live product.
Data Visualization projects are often suitable for remote collaboration because requirements, prototypes and dashboard reviews can be shared online. On-site workshops in Vienna can still help when teams need to agree on metric definitions, reporting ownership or user needs.
Ask a Data Visualization professional to explain the decision behind a chart, the source and transformation of its data, and how users will act on it. Review examples for clarity, accessibility, loading performance, documented definitions and honest treatment of missing or uncertain data.
Before starting, a Data Visualization specialist should clarify the audience, business decisions, source systems, access rights, refresh frequency and success criteria. It is also useful to confirm who owns the semantic model, who approves visual choices and who maintains the result after delivery.
The average hourly rate of freelancers in Vienna, Austria who have used Data Visualization in their recent projects is 97 €, which corresponds to a daily rate of about 774 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used Data Visualization in their recent projects, 89% hold at least a Bachelor's degree, 89% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Vienna, Austria who have used Data Visualization in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Vienna, Austria who have used Data Visualization in their recent projects are German (100%), English (100%), and Spanish (22%).
The most common industries among freelancers in Vienna, Austria who have used Data Visualization in their recent projects are Information Technology (56%), Energy (44%), and Banking and Finance (44%).
The most common business areas among freelancers in Vienna, Austria who have used Data Visualization in their recent projects are Information Technology (100%), Operations (67%), and Business Intelligence (56%).
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.
Countries:
Vienna 
Graz Request a free demo
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Philipp Thomaschewski
FRATCH CEO
