Business Intelligence Experts in Hanover
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Meet FRATCH Experts in Hanover, who have recently used Business Intelligence
Sandra Klinkenberg
Last position:
Webinar Leader - Blackout Prevention and Preparation at SANDRA KLINKENBERG • Management Consultant, self-employed independent business consultant
- Webinar on Blackout - Brownout - Power failure - how do I recognise it and what can I do?
Michael Serejenkov
Last position:
Data Scientist at CompuGroup Medical Deutschland AG, docmetric GmbH
Development of AI-based and classical models for analyzing medical and patient data, including medication analyses, diagnosis analyses, forecasts, procedure analyses, dosage analyses, comorbidity analyses, prescription analyses, patient potential analyses, and referral profile analyses. Analyses in the area of Real World Evidence.
- Gathering customer requirements
- Planning the subproject
- Designing and defining KPIs
- Designing and developing models and visualizations of the results using customer dashboards
- Developing and implementing DWH adjustments
- Deriving recommendations for action
Methods, technologies: Simulation, Artificial Intelligence, Python, R, SQL, Microsoft Power BI, Amazon Web Services, Elasticsearch, PostgreSQL, Databricks, Multivariate Statistics
Joern Thieme
Last position:
Senior Software Developer | Database Expert | Business Intelligence | 24+ years of project experience at HannoMax GmbH
Are you looking for more than just a developer, but a partner who understands business processes and develops sustainable solutions? Then I am the right person for you.
For more than 24 years, I have been helping companies develop software solutions, use data intelligently, and make business processes more efficient. I combine solid technical expertise with a deep understanding of business operations and economic relationships.
My focus is on developing custom software and database solutions as well as integrating existing systems. I have implemented numerous projects in which CRM, ERP, webshop, logistics, and other business systems were connected with each other. The result is automated processes, less manual work, and higher data quality.
I also develop business intelligence and data warehouse solutions as well as management reports that give decision-makers a reliable data basis at any time.
I get up to speed quickly in existing systems and also find practical, cost-effective solutions for complex requirements. I always keep the overall system in view - not just individual lines of code.
My services at a glance:
- Custom software development
- Database development and performance optimization
- Business Intelligence & Data Warehouse
- Management reporting and dashboards
- ERP, CRM, webshop, and logistics integration
- Interface development and process automation
- Analysis and optimization of business processes
- Technical consulting and solution architecture My clients value my structured way of working, my quick grasp of things, and my high standards of quality. I think like an entrepreneur, communicate on equal footing, and develop solutions that work well in the long run.
My goal is simple: simplify processes, make data usable, and help companies become more successful with well-thought-out software solutions.
Jan Menzel
Last position:
Agile Coach at VHV Versicherung
- Did not take on any project assignments during this period
- Conducting coaching sessions, workshops, trainings and facilitation assignments
Willi Ziegenhagel
Last position:
Data Analyst
- Analysis of process data
- Data preparation with SQL
- Development of reports & dashboards in Celonis
Martin Schaefer
Last position:
MS Fabric Certification
MS Fabric certification with creation of pipelines and notebooks in Fabric using data from Azure, Azure Repos, Azure Boards, and GitHub. Data ingestion via OneLake Explorer, direct IP connection, and API (REST) are the main topics
Hardy Bürger
Last position:
Lean Portfolio Manager at HDI Global SE
- Establishing active KPI measurement
- Designing and continuously optimizing LPM processes for budget planning and controlling based on the SAFe framework
- Building and refining a dashboard to provide transparency into an ART's total costs
- Training PMs and ARTs
- Preparing all resource and budget planning
- Generating cost reports and forecasts and identifying action needs
- Establishing strategic portfolio management
Jan-Philipp Schiele
Last position:
IT Project Management Coach (Freelance) at The Project Coach
- Set up and manage complex project and rollout structures (SAP, cloud, portfolio) for large public sector programs
- Provide professional leadership to interdisciplinary teams (up to 30 people)
- Coaching and advising project and program managers
- Facilitation of national and international workshops and committees
- Set up and manage backlog, risk, and dependency management; meeting and agenda structures
- Lead cross-functional teams and facilitate steering formats
- Coordinate individual transformation projects across multiple broadcasters
- Use various project and portfolio management tools (ServiceNow, Planview, Cplace, Clarity, Jira, Confluence)
- Develop rollout scenarios; manage pilot and full-scale go-live
- Responsible for change and communication concept, as well as organizational training (train-the-trainer, key-user network)
- Central control and harmonization of rollout activities across five broadcasters; standardization of project management methods, risk management, and integration management
Arnav Sarkar
Last position:
Scientific Assistant (HIWI) at Institute of Transport and Automation Engineering, Production Technology Center, Leibniz University Hannover
- Implemented stereo camera calibration and applied incremental Structure from Motion (SfM) algorithms to build a detailed 3D model of a forklift for an AR-enabled Smart Forklift project
- Developed OpenCV-based preprocessing that improved data accuracy by 20% and enhanced the analysis of industrial videos
Emmanuel Abrokwa
Last position:
LLM Evaluation & Prompt Engineering — Legal Focus at Outlier — Phoenix Platform
- Improved model compliance accuracy by 30% through legal auditing of AI outputs.
- Designed rubrics to detect AI governance and IP infringement risks in high-risk use cases.
- Enhanced prompt consistency to reduce hallucination-related liability exposure.
- Legal & Governance: GDPR, EU AI Act, IP licensing, platform liability, legal drafting.
- Technical: Python, NLP in Python, Power BI.
- Tools: Clio, Westlaw, LexisNexis, Microsoft Office.
Yenal Yavuz
Last position:
Shiny R Development at RadixITS Gbr
- Implementation and mapping of regulatory requirements (CSRD, ESRS) in Shiny dashboards and backend functionalities
- Design and development of data-driven modules in Shiny including ESG metrics and reporting templates
- Integration of data sources (SQL, SAP HANA, APIs, CSV/Excel) using DBI, odbc, httr and readr
- Creation of interactive visualizations with plotly, highcharter and DT (DataTables)
Marvin Woischnik-Lange
Last position:
PACS Senior IT Project Manager at Fraport / ID Engineering
- Took a leading role integrating NECT Ident and NECT Sign (AI-based solutions for identity verification and electronic signature) into ID Engineering's PostgreSQL PACS (Physical Access Control System) used at Fraport.
- Analyzed system architecture and interfaces, and implemented Microsoft Azure REST API integrations for legally compliant identity verification and signature.
- Developed and implemented security-critical workflows in Visual Studio Code to seamlessly embed NECT processes into existing PACS Mulesoft Anypoint Platformâ„¢ structures.
- Contributed to the evolution of the airport security architecture by linking identity verification, ID management, and physical access control with Microsoft Power BI.
- Collaborated closely with NECT and internal IT teams on API configuration, testing, and production rollout.
Torsten Glunde
Last position:
Datavault with Informatica on Oracle at SEFE
- Datavault modeling and performance improvements in Oracle.
- Requirements process with model-driven Datavault automation.
- Preparation of business requirements for the pricing database in the gas and electricity market.
- Sales performance based on Salesforce CRM.
- Tasks: design and development.
- Tools used: Informatica, Oracle, DBT, Docker, DataOps, Airflow Workflow, Python Ingestion, Gitlab CI.
Tobias Worzyk
Last position:
Project Manager at Senatskanzlei Hamburg
- Gathering requirements with business units
- Prioritizing development projects
- Managing multiple projects including external and internal service providers in an agile environment
- Reporting to various higher levels
- Project controlling
Discover over 15,000 top freelancers
Statistics of experts using Business Intelligence
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
1.8 years (Germany: 3.1 years)
Positions per freelancer
17 (Germany: 11)
Top business areas
Information Technology, Business Intelligence, Product Development
Top industries
Information Technology, Professional Services, Government and Administration
Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
100% (Germany: 94%)
Master's degree or higher
62% (Germany: 65%)
Doctorate
23% (Germany: 9%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
93% (Germany: 98%)
Based on our profile pool as of 30 Aug 2026.
About the technology
What BI covers
Business Intelligence turns raw data into reports, dashboards, and decisions teams can trust. It combines data modelling, KPI design, and visual analysis so managers can track sales, operations, finance, and customer trends. Strong work in this area also means clean definitions, not just attractive charts.
Common tools
- Power BI for interactive reporting and sharing
- Tableau for visual analysis and executive dashboards
- Qlik for associative analysis and guided exploration
- SQL for extracting and shaping source data
- Excel for quick analysis and controlled business reporting
What specialists deliver
BI specialists build reporting layers, refine data models, and set up dashboards that answer real business questions. They often work on scorecards, self-service reporting, and management views that pull from ERP, CRM, finance, and web data. Good delivery focuses on clarity, consistency, and trusted definitions.
When to bring in help
Companies usually bring in freelance support when reports are inconsistent, dashboards are slow, or teams need a new reporting layer for a product launch or restructure. In Hanover, this is common for companies that need close collaboration with finance, logistics, manufacturing, or sales teams, but can still work remotely with local stakeholders.
What strong experts do
- translate vague reporting needs into measurable KPIs
- join data sources without creating duplicate logic
- explain what a chart shows and what it does not
- keep access rules, refreshes, and ownership clear
- document dashboards so teams can maintain them
Skills around BI
A strong BI professional often brings SQL, data modelling, ETL or ELT knowledge, and a good grasp of source systems. They also understand business terms well enough to challenge unclear requests. In Hanover projects, German-language communication can matter when stakeholders want direct workshop notes, working sessions, or handover material.
Frequently asked questions
Questions about Business Intelligence? Start with the answers below.
Business Intelligence is used to turn operational data into reports, dashboards, and decision support. Teams use it to monitor sales, finance, operations, customer behavior, and other key areas without pulling numbers from scattered spreadsheets. The goal is a shared view of the business that people can trust.
Business Intelligence focuses on presenting and interpreting business data through reports, dashboards, and KPI layers. Data warehousing is more about storing and organizing data, while analytics can go deeper into exploration and statistical work. In practice, BI often sits on top of a warehouse and feeds day-to-day decision making.
A strong BI specialist often works with Power BI, Tableau, Qlik, SQL, and Excel. The exact stack depends on the company’s data sources and reporting style. Good candidates can explain why a tool fits the use case instead of pushing the same setup everywhere.
For Business Intelligence, SQL and data modelling are usually just as important as the dashboard tool itself. Knowledge of ETL or ELT, source systems like ERP or CRM, and clear KPI design also matters. The best specialists can discuss business processes, not only technical dashboards.
A Business Intelligence task that only adjusts an existing dashboard may need a focused specialist with strong tool knowledge. A new reporting layer, a merge of multiple data sources, or a KPI redesign needs someone who understands modelling, governance, and stakeholder alignment. The harder the business logic, the more experience matters.
Most Business Intelligence work can be done remotely if access, data, and feedback loops are set up well. On-site time in Hanover can help during workshops, stakeholder interviews, or handover sessions with local teams. Many projects use a mix of both.
Look for a BI specialist who asks about source data, KPI definitions, refresh rules, and who owns each report. Quality shows up in clear logic, clean naming, and documentation that makes maintenance easier. Good work also includes honest trade-offs when data is incomplete or inconsistent.
No, Business Intelligence is the wider discipline, while Power BI is one tool often used to deliver it. BI can also be built with Tableau, Qlik, or other reporting stacks depending on the company setup. If someone only knows one tool, ask how they handle modelling, governance, and source data outside that tool.
Of the freelancers in Hanover, Germany who have used Business Intelligence in their recent projects, 100% hold at least a Bachelor's degree, 62% hold at least a Master's degree, and 23% hold a doctorate.
On average, freelancers in Hanover, Germany who have used Business Intelligence in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Hanover, Germany who have used Business Intelligence in their recent projects are German (100%), English (93%), and French (21%).
The most common industries among freelancers in Hanover, Germany who have used Business Intelligence in their recent projects are Information Technology (100%), Professional Services (79%), and Government and Administration (71%).
The most common business areas among freelancers in Hanover, Germany who have used Business Intelligence in their recent projects are Information Technology (100%), Business Intelligence (86%), and Product Development (79%).
Main locations of FRATCH Experts, who have recently used Business Intelligence
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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