Data Visualization Experts in Switzerland
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Meet FRATCH Experts in Switzerland, who have recently used Data Visualization
Marco Skulschus
Last position:
Business Analyst, Data Warehouse Developer at NRW.Bank
Business analysis for risk controlling.
Development of a data warehouse based on MS SQL Server with data from the FIS Cross-Asset Trading and Risk Platform (formerly Front Arena).
Implementation of ETL and transformation logic with T-SQL and Python (template engine Jinja2).
Modeling and automation of data structures with Data Vault.
Building reporting and analysis reports with Microsoft Power BI, including training and onboarding of users.
Gwang Jin Kim
Last position:
Data Scientist / Applied AI, Automation & Data Systems Researcher at Independent
- Built and explored applied GenAI, RAG, GraphRAG, local LLM, agentic AI and document-intelligence prototypes for structured analysis, evidence extraction, semantic search, technical reasoning and decision-useful reporting
- Developed private local-LLM workflows and AI system patterns focused on privacy, reproducibility, reviewability, low-cost inference and practical user control
- Built reproducible Python/R workflows for data analysis, automation, API-driven tooling, validation logic, technical documentation and AI-assisted software development
- Designed workflows around explicit assumptions, traceable inputs, reviewable outputs and failure-mode awareness rather than black-box “looks good” demonstrations
- Supported RAHN AG in a chemical/regulatory environment with data extraction and processing around WERCS, a regulatory application for chemical product and compliance data
- Explored complex application/database schemas and wrote nested SQL queries to extract information for mixture calculations, component relationships, regulatory rules and reporting logic
- Continued hands-on development in Git/GitHub/GitLab/Bitbucket, Docker/Linux deployment patterns, REST/API workflows, error handling, technical writing and fast AI-assisted prototyping
- Built technical writing and documentation workflows that turn complex systems into clear runbooks, checklists, decision notes and user-facing explanations
Urs Steger
Last position:
CargoMonitor App at MSR Electronics GmbH
MVP app for shock logger to monitor and analyze transport data via BLE as a Kotlin Multiplatform solution for Android and iOS.
Christoph Pardon
Last position:
ICT DevSecOps Engineer & Security Coordinator at Abraxas Informatik AG
- Interface role with the SOC team; improved incident response time by 45% through structured escalation processes and proactive security monitoring.
- Defined technical standards for a multi-tenant enterprise platform (10+ services), resulting in 30% shorter onboarding time for new clients in the public sector.
- Active knowledge transfer and mentoring of a 6-person team; increased team autonomy and established a sustainable engineering culture.
- Reduced time-to-market by 50% through CI/CD pipeline optimization and the introduction of self-service deployments.
- Stack: GitLab CI/CD, Kubernetes, Nexus, Harbor, ArgoCD, HashiCorp Vault, Grafana, Python, PostgreSQL, Java, Spring Boot, Flyway, Quarkus, JBoss, Loki, Go, Kafka, Kustomize, MongoDB
Thorsten Offermann
Last position:
Program / Project / IT Controller (ICT Controller) at Federal Department of Defence, Civil Protection and Sport
Project Management Office: analysis and setup, master plan, standardized project planning (generic work breakdown structure according to HERMES), earned value management, milestone trend analysis.
Finance management at portfolio, program and project level.
Resource management and single point of contact for resource procurement (human resources / operating costs / investments).
Process management.
Implementation of a program management tool for unified program and project management.
Program controlling: finance management, earned value management, milestone trend analysis, consolidation of project budgets, actual costs and forecasts at the program level.
Variance analyses at program level.
Transition from total cost view to commitment credit view (federal administration terminology).
Calculation of available reserves (rolling), forecasts and scenarios.
Monthly, quarterly, half-year and annual reports, preparation of annual planning at program level, special analyses / ad-hoc reports.
Project controlling: support for project managers in project planning, earned value management, milestone trend analysis.
Review of projects for budget compliance, adherence to phases and schedules, deliverables, resource planning and deployment.
Variance analyses at project level, special analyses / ad-hoc reports.
Resource management: resource planning based on program and project plans, review of timesheets.
Supply chain (until April 2022): single point of contact for resource procurement (human resources / operating costs / investments).
Change management: involvement in change management for cost-relevant changes (change requests), tracking of service contract price for contract-related changes, participation in change control boards / decision boards at management level.
Establishment of controlling structures in a new Swiss federal agency (becoming a federal office as of January 1, 2024) since April 2022.
Credit monitoring with validation of actual costs and commitment values.
Resource management: cross-project resource planning (HRP).
Earned value analysis and milestone trend analysis for key ICT projects of the federal government.
Participation in the introduction of the JIRA Tempo module.
Tools & methods: HERMES 5.1 / Agile HERMES, Sciforma 7, JIRA, Confluence, Tempo, Signavio, Microsoft SharePoint, Microsoft Office Prof., Excel-VBA.
Mike Battistella
Last position:
Freelance UX-Researcher, -Designer at Companion Hub
UX research and UX concepts for an assisted living application with QT client dashboard/video application and web interface for client support
Reinhold Schätz
Last position:
Senior Software Developer at Hitachi Energy
- Support and further development of the Leegoo Builder
- Handling ad hoc requests
- Definition of rules/attributes and their rules
- Optimizing and managing SQL queries
Andreas Hetz
Last position:
Test Automation Architect at Banking Bank (name withheld)
- Set up a shift-left DevOps E2E system testing architecture
- Set up "DevOps Shift-left" E2E tests for 240+ applications
- Under NDA
Christian Jedlicka
Last position:
Strategic Lead Financial Services & Next-Gen Finance (Voluntary Leadership Role) at Swiss FinTech Association (SFTA)
- Supporting the association through an ongoing strategic restructuring process, modernizing operational structures and improving governance.
- Founded specialist workgroups for Financial Services and Next-Gen Finance, establishing collaboration frameworks, setting priorities, and driving initiatives across the Swiss financial ecosystem.
- Strengthened SFTA’s visibility and impact by organizing high-profile industry events, expert panels, and roundtables with banks, WealthTechs, investors, and regulators.
- Initiated and secured strategic partnerships with ecosystem players to broaden the association’s reach and promote wider FinTech and WealthTech collaboration.
- Contributed to the development of thought-leadership topics and national-level initiatives aimed at enhancing Switzerland’s position as a global FinTech and WealthTech hub.
Dariusz Kaczmarkiewicz
Last position:
Business System Analyst at Zurich Insurance
Participating in a strategic enterprise project to introduce a centralized customer data platform ("Single Source of Truth") to eliminate redundant data storage and accelerate digital services
Analyzing and documenting business and system requirements for migrating large, heterogeneous data sets (ETL) and for continuous data synchronization between core systems and the new platform
Close collaboration with business units, data engineers and architects to gather and validate requirements, and to ensure data quality, consistency and regulatory compliance
Defining the migration strategy, specifying ETL processes and synchronization mechanisms, and documenting technical interfaces
Developing and executing test cases for migration and synchronization processes, and performing defect analysis to ensure data integrity and system stability
Technologies: SQL, Microsoft SQL Server, Azure DevOps, Confluence, UML, RESTful Services, Swagger, Postman
Beat Zangger
Last position:
SAP Test Manager at E.ON Grid Solutions GmbH
- Responsible for IT integration test and user acceptance test for SAP S/4 Hana and BDO BO Customer Financials Management
- Led the test team (business testers and IT testers)
- Resource planning and control within the test team
- Created test concepts and test plans
- Performed test risk analysis
- Coordinated test execution and defect tracking
- Ensured test progress
- Generated and visualized reports
- Summarized test reports and reported to management
- Prepared and conducted user acceptance tests
- Managed SIGMA and JIRA/Confluence at project level
Andreas Illig
Last position:
Business Development at SoftQuadrat GmbH
- Analyzed the current situation and repositioned the brand
- Built up recruiting, sales, and customer support
- Planned participation in trade shows
- Established a sales process
- Introduced a CRM tool (Pipedrive)
- Set up a subsidiary in Switzerland
- Implemented all aspects of staff leasing
Patryk Socha
Last position:
Test Manager at HIQT GmbH
- Set up a partnership to support UiPath from migrating new clients to the UiPath tool landscape
- RPA testing
Deborah Bucher
Last position:
Head of Marketing & Communications at Schulthess Klinik
- Oversaw the clinic's marketing strategy and developed all communications and marketing projects.
- Led and supervised the marketing & communications department, guiding a team of 5 employees.
- Demonstrated strong stakeholder engagement, providing regular reporting on marketing activities and outcomes.
- Successfully managed the marketing budget.
- Planned strategic campaigns encompassing both online and offline channels, maximizing reach and engagement.
- Ensured consistent brand identity and image across all corporate and sub-brands.
- Exceeded business goals by improving digital KPIs significantly, including a 30% increase of conversions.
- Introduced and developed the employee app "Beekeeper" for over 1,100 active users, enhancing internal communication and collaboration.
Martin Mihaljevic
Last position:
Founder and Managing Director at Mitecs GmbH
- Engineering of process and control systems
- Programming of PLC controls (Step7, TIA V11–V20, S7-300/1200/1500 controllers)
- Visualizations including logging and data logging (WinCC / WinCC flexible)
- Project management of industrial, building services and machinery systems
- Control planning
- Electrical CAD (schematic drawing)
- Trouble-shooting on site
- Remote maintenance
- System/control extensions, modifications and retrofits
- Various bus integrations (Profibus, Modbus TCP/RTU, Profinet/Ethernet, MP-Bus)
- Commissioning
- Training, training documentation and operating instructions
- Worldwide area of activity
Discover over 15,000 top freelancers
Statistics of experts using Data Visualization
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.5 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
85%
Master's degree or higher
46%
Doctorate
23%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
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 Switzerland 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 Switzerland 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
What it covers
Data visualization turns raw data into charts, dashboards, maps, and reports that people can read quickly. It is used to track performance, explain trends, and support decisions in product, finance, operations, and marketing.
Common tools
- Tableau, Power BI, Looker Studio, and Qlik for business reporting
- D3.js, Plotly, and Apache ECharts for custom web visuals
- Python and SQL for data shaping before the visual layer
- BI dashboards for internal teams and leadership reviews
When specialists help
Companies bring in freelance specialists when dashboards need to be redesigned, data sources need to be combined, or a report must work for both experts and non-technical readers. They also help when a team needs a one-off visual story for a board pack, pitch, or customer-facing portal.
Strong skills
Good professionals know how to choose the right chart for the data, reduce noise, and keep the message clear. They understand data modeling, filtering, interactivity, accessibility, and performance. They also know how to avoid misleading visuals and build reports that stay usable as data changes.
Switzerland context
In Switzerland, data visualization work often supports finance, insurance, pharmaceuticals, manufacturing, and public-sector reporting. Teams may want English for international stakeholders, while local collaboration can also require German, French, or Italian depending on the company and location.
What to look for
- Clear examples of dashboards, reports, or story-driven visuals
- Experience with the tools already used in your stack
- Good data cleaning and query skills, not just design taste
- Ability to explain trade-offs and make visuals easy to maintain
Frequently asked questions
The facts hiring teams ask for most often when it comes to Data Visualization.
A strong Data Visualization specialist turns data into visuals that help people act quickly. That can mean dashboards, KPI views, charts for reports, or interactive stories for web apps. The work is not only about making things look good; it is about making the message clear and trustworthy.
Most Data Visualization work uses tools such as Tableau, Power BI, Looker Studio, Qlik, D3.js, Plotly, or Apache ECharts. The right choice depends on whether the need is internal reporting, embedded analytics, or custom interactive visuals. Many projects also rely on SQL and Python to prepare the data first.
Data Visualization is a core part of business intelligence, but it can also go beyond it. BI tools focus on recurring reporting and self-service analysis, while visualization work can include custom charts, storytelling, and product-facing analytics. If the visual layer needs to be tailored to the audience, a specialist with both BI and design judgment is useful.
A good Data Visualization freelancer usually brings SQL, data cleaning, basic statistics, and an understanding of how source systems fit together. For web-based work, knowledge of JavaScript, React, or embedding patterns is often useful. Strong communication matters too, because the best visuals are built around the questions stakeholders actually ask.
You do not need a fully finished brief, but you should know the audience, the main data sources, and the decision the visuals must support. A Data Visualization specialist can help shape the dashboard structure, chart choices, and delivery format. The clearer the business question, the faster the right solution takes shape.
Yes, most Data Visualization work can be done remotely if access to data and stakeholders is organised well. For Switzerland-based teams, remote collaboration is common, but workshops or review sessions may still happen on-site when a dashboard needs close alignment with business users. Language expectations depend on the company and the audience.
Look for visuals that are easy to scan, consistent, and built for a real use case. A strong Data Visualization portfolio shows clean data handling, sensible chart choices, and examples that explain decisions rather than decorate them. Ask how the specialist handled updates, edge cases, and feedback from stakeholders.
It is both, but the balance depends on the project. Data Visualization needs enough design skill to make information readable and enough analytical skill to make it accurate and useful. The best specialists connect those two sides instead of treating charts as decoration.
The average hourly rate of freelancers in Switzerland who have used Data Visualization in their recent projects is 124 €, which corresponds to a daily rate of about 994 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used Data Visualization in their recent projects, 85% hold at least a Bachelor's degree, 46% hold at least a Master's degree, and 23% hold a doctorate.
On average, freelancers in Switzerland who have used Data Visualization in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Switzerland who have used Data Visualization in their recent projects are German (100%), English (100%), and French (39%).
The most common industries among freelancers in Switzerland who have used Data Visualization in their recent projects are Information Technology (83%), Manufacturing (67%), and Banking and Finance (61%).
The most common business areas among freelancers in Switzerland who have used Data Visualization in their recent projects are Information Technology (89%), Product Development (78%), and Project Management (78%).
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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