Data Visualization Experts in Switzerland
in minutes with precise AI matching and vetted, available freelancersHire experts who turn complex data into clear dashboards, interactive reports and decision-ready visual stories with Tableau, Power BI, D3.js or modern analytics stacks. FRATCH matches you quickly with vetted, available freelancers who fit your project and collaboration needs.
Meet FRATCH Experts in Switzerland, who have recently used Data Visualization
Marco S.
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 (Jinja2 template engine).
Modeling and automation of data structures with Data Vault.
Creation of reporting and analysis reports with Microsoft Power BI, including user training and implementation.
Gwang Jin K.
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 S.
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 P.
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 a 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% by optimizing CI/CD pipelines and establishing 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
Andreas I.
Last position:
Business Development at SoftQuadrat GmbH
- Analysis of the current situation and repositioning of the brand
- Building up recruiting, sales, and customer support
- Planning for trade fair participation
- Establishing a sales process
- Introducing a CRM tool (Pipedrive)
- Setting up a subsidiary in Switzerland
- Implementing all aspects of temporary staffing
Mandy G.
Last position:
Founder & Principal Consultant at MGH Consulting
- Established an independent consulting practice offering transformation, strategy, AI enablement and operational design to organisations across Switzerland and internationally
- Delivering pro-bono and paid engagements with NGOs, foundations, trusts and SMEs across Switzerland
- Service offering spans governance design, digital transformation, AI tools training and data visualisation
- Building a Swiss-based team with a vision to employ internationally experienced consultants
Reinhold S.
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 H.
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
Dariusz K.
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 Z.
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
Patryk S.
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 B.
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.
Ned O.
Last position:
Tech Lead at R3leaf GmbH
- Autonomously drafted architecture and delivered production code at startup pace
- Wrangled diverse geospatial formats (NETCDF, GeoTIFF, GML) into unified standards and built scalable climate data visualisations from hundreds of GBs of geodata in a production web app
- Mentored developers, facilitated AI skill sharing, and contributed to competitive strategy with C-Level leadership
Hrvoje K.
Last position:
Researcher, Investment Research Institute at Pictet Group
- Designed and implemented AI-enhanced macro-factor models improving asset allocation decisions across multi-asset portfolios
- Developed machine learning-based FX trading strategies, integrating macroeconomic and sentiment data to identify profit opportunities
- Models adopted by the investment committee to guide equity and currency exposure
- Collaborated with portfolio managers to translate analytical output into actionable investment insights
Discover over 15,000 top freelancers
Statistics of experts using Data Visualization
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
2.4 years
Positions per freelancer
13
Top business areas
Information Technology, Project Management, Product Development
Top industries
Information Technology, Education, Banking and Finance
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
82%
Master's degree or higher
45%
Doctorate
27%
Certifications per freelancer
3
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 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 19 Sep 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 (79%)
- Education (50%)
- Banking and Finance (50%)
- Healthcare (50%)
- Manufacturing (50%)
- Government and Administration (50%)
- Energy (36%)
- Insurance (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Data Visualization Does
Data Visualization turns structured and unstructured data into charts, dashboards, maps and interactive reports that people can understand and use. It connects data sources, analytical methods and visual design so trends, exceptions and relationships become visible. Data viz supports operational decisions, executive reporting, customer analysis and scientific communication.
Common Deliverables
- Interactive dashboards for sales, finance, operations and product teams
- KPI reporting with drill-down views, filters and alerts
- Geographic maps and location-based analysis
- Executive briefings and narrative data stories
- Reusable visual components for internal analytics products
Professionals may also design embedded analytics for customer portals, automated reporting workflows and accessible publications. The right format depends on the audience, data volume, refresh needs and decisions the visual must support.
Tools and Ecosystem
The ecosystem includes Tableau, Microsoft Power BI, Looker, Qlik and open-source libraries such as D3.js, Plotly and Vega-Lite. Strong specialists understand SQL, data models, calculated fields, semantic layers and dashboard performance, not just chart configuration. They may work with Python or R for analysis and with cloud warehouses such as Snowflake, BigQuery or Databricks.
When to Bring in Expertise
- Existing reports are slow, inconsistent or difficult to interpret
- A company needs a governed dashboard across several data sources
- Analysts need reusable visual components or reporting automation
- A new product requires embedded analytics and clear user flows
- Teams need to move from spreadsheets to trusted self-service reporting
Freelance expertise is useful when an internal team has data access but lacks visual, analytical or implementation capacity. Specialists can establish a reporting model, improve an existing BI environment or deliver a focused dashboard without extending a permanent team.
Switzerland and Collaboration
Swiss companies use Data Visualization across finance, insurance, healthcare, manufacturing, retail, research and public services. Projects often involve sensitive business information, multilingual audiences and distributed stakeholders, so professionals should be comfortable with clear documentation, access controls and remote workshops. On-site collaboration can help with discovery and executive reviews, while delivery and iteration commonly work remotely.
What Strong Specialists Deliver
Strong professionals clarify the decision behind each visual before selecting a chart. They validate definitions with data owners, test dashboards with real users and explain limitations without hiding uncertainty. They also consider accessibility, responsive layouts, load time, governance and maintenance. Quality shows in consistent metrics, purposeful interaction and a visual result that helps people act rather than merely display data.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Data Visualization.
Data Visualization is used to make patterns, comparisons and changes in data easier to understand. Companies apply it to performance dashboards, financial reporting, customer analysis, operational monitoring, research and interactive storytelling.
Data Visualization adds visual exploration and context to standard reporting. A fixed report may answer a defined question, while an interactive dashboard can reveal trends, filter results and help different users investigate the same data.
A strong Data Visualization specialist may work with Tableau, Power BI, Looker, Qlik, D3.js, Plotly or Vega-Lite. Tool choice should follow the data environment, audience, governance model and need for embedded or self-service analytics.
Data Visualization projects often require SQL, data modelling, business intelligence, statistics and user experience design. Knowledge of Python or R, cloud warehouses, APIs, accessibility and data governance can also be valuable.
The right Data Visualization experience depends on the scope, data quality and number of stakeholder groups involved. A focused dashboard may need a specialist who can deliver independently, while a governed analytics environment calls for broader architecture, modelling and adoption skills.
Data Visualization work is often well suited to remote collaboration when data access, review routines and ownership are clear. Swiss projects may still benefit from on-site discovery sessions, especially when teams use different languages or business definitions.
A good Data Visualization dashboard uses consistent metrics, clear hierarchy and interactions that support real decisions. Ask for the reasoning behind the visual choices, evidence of user testing, loading behaviour, accessibility and a plan for data refresh and maintenance.
Before starting, a Data Visualization freelancer should clarify the audience, decisions to support, source systems, metric definitions, refresh expectations and access constraints. It is also important to agree on ownership, review stages, documentation and whether the result must be embedded in another product.
The average hourly rate of freelancers in Switzerland who have used Data Visualization in their recent projects is 111 €, which corresponds to a daily rate of about 884 € based on an 8-hour working day.
Of the freelancers in Switzerland who have used Data Visualization in their recent projects, 82% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 27% hold a doctorate.
On average, freelancers in Switzerland who have used Data Visualization in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.4 years.
The most common languages among freelancers in Switzerland who have used Data Visualization in their recent projects are German (100%), English (100%), and Spanish (36%).
The most common industries among freelancers in Switzerland who have used Data Visualization in their recent projects are Information Technology (79%), Education (50%), and Banking and Finance (50%).
The most common business areas among freelancers in Switzerland who have used Data Visualization in their recent projects are Information Technology (86%), Project Management (71%), and Product Development (64%).
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.
Zurich Request a free demo
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Philipp Thomaschewski
FRATCH CEO
