Martin T.
Freelance, Interim Controller
Experience
Jan 2025 - Apr 2025
4 monthsBerlin, Germany
Freelance, Interim Controller
Outfittery GmbH
- Month-end closing, marketing controlling, investor reporting
- Controlling knowledge transfer
- Optimizing controlling, budget and forecast processes
- Tableau
- Microsoft Navision
Nov 2024 - Feb 2025
4 monthsHamburg, Germany
Freelance, Data Governance Consultant
Vehicle Manufacturer via Aequitas Affinity GmbH
- Master data analysis
- Workshops and consulting for data governance
Aug 2024 - Oct 2024
3 monthsGermany
Freelance, Interim Controller
Mail Order Business
- Setting up controlling, cost calculation and automating reporting, category management and purchasing
- Project management for controlling knowledge transfer
- Optimizing controlling and data management
- Microsoft Power BI
- KLAR!, Deltamaster
Oct 2023 - Feb 2024
5 monthsHamburg, Germany
Freelance, Project Manager Accounting and Reporting
Private Plumbing, Heating & Ventilation Company
- Project manager for accounting succession, outsourcing accounting
- Project management for reporting handover, liquidity planning
May 2023 - Jul 2024
1 year 3 monthsStuttgart, Germany
Freelance, Project Manager Data Management and Reporting
Arverio Deutschland GmbH (formerly Go-Ahead)
- Project manager for data strategy, data warehouse and data quality
- Managing various software vendors, BI consulting
- Defining KPIs for all business units (management, operations planning, HR, sales, energy, safety, quality assurance, traffic contract management, controlling)
- Creating dashboards and reports for all departments
- Selecting and migrating an ETL tool (CloverDX)
- Requirements management, specification “operational state roadmap”
- Data quality management
- Process optimization (analysis, documentation, modeling)
- Scrum – agile methodology and ticketing systems
- Microsoft Power BI
- CloverDX, SQL, Azure DF
Aug 2021 - Nov 2022
1 year 4 monthsGerdau, Germany
Team Leader Controlling
Bohlsener Mühle GmbH & Co. KG
- Restructuring controlling (production, financial, purchasing, sales, sustainability, cost center controlling)
- Introducing and migrating QlikView to Power BI, dashboards
- Adjusting and redesigning cost calculation
- Designing and implementing the budgeting process, corporate planning, forecast
- Conducting actual vs. plan comparisons and analyses
- Introducing data management
- Sub-project lead for ERP MS Business Central implementation – requirements analysis and master data/controlling specifications
- Process optimization and modeling
- Developing ETL processes and data warehouse
- Assisting with annual and monthly closings, regular inventory valuation
- Leading a team of 3 specialists
- Scrum – agile methodology
- Jira, Confluence
- MS NAV
- MS SQL
- Microsoft Power BI: data visualization
- Talend ETL, SQL
Sep 2020 - Jul 2021
11 monthsHamburg, Germany
Head of Business Analytics & Processes
Bauer Media Group, Publishing Germany
- Leading selection and implementation of BOARD, requirements and stakeholder management, project controlling
- Process analysis, BPMN modeling and optimization in controlling and finance
- Designing, developing, testing and optimizing corporate planning (budget, forecast)
- Designing quality management processes
- Ensuring clear data requirements, data management, assessing data quality and migration
- Data warehouse migration from SAP BW to MSSQL
- Creating and extending personnel reporting, budget reports and BU/Group reporting
- Building and leading a team of technical and business staff
- BOARD, Microsoft Power BI, Excel
- Scrum and classic IT project management
- Jira, Confluence
- SAP CO
- MS SQL
Apr 2020 - Aug 2020
5 monthsHamburg, Germany
Business Intelligence Controller
Bauer Media Group, Publishing Germany
- Leading selection and implementation of BOARD, requirements and stakeholder management, project controlling
- Process analysis, BPMN modeling and optimization in controlling and finance
- Designing, developing, testing and optimizing corporate planning (budget, forecast)
- Designing quality management processes
- Ensuring clear data requirements, data management, assessing data quality and migration
- Data warehouse migration from SAP BW to MSSQL
- Creating and extending personnel reporting, budget reports and BU/Group reporting
- Building and leading a team of technical and business staff
- BOARD, Microsoft Power BI, Excel
- Scrum and classic IT project management
- Jira, Confluence
- SAP CO
- MS SQL
Oct 2016 - Sep 2019
3 yearsHanstedt, Germany
Executive Assistant to Managing Director, Head of Controlling
Deerberg GmbH
- Advising and supporting management on strategic and operational decisions/projects
- Establishing and managing company-wide controlling, including marketing, sales, online, purchasing, supply chain, branch, HR and IT controlling
- Leading, planning, selecting, analyzing, executing, monitoring, coordinating, quality and data management, and requirements management for agile (SCRUM) and classic software projects (ERP, PIM, eShop), data warehouse and BI systems
- Creating dashboards and visualizations, mining customer data and assortment structures
- Restructuring
- Coordinating digitalization, data strategy, process optimization
- Conducting actual vs. plan comparisons, analyses and budgeting
- Assisting with annual and monthly closings, regular inventory valuation
- Liquidity planning
- Building and leading a team of technical and business staff
- Tableau, SAP BO
- mgm Commerce ERP (Choice 6)
- Scrum and classic IT project management
- Jira, Confluence
- Talend, MS SQL
- Datev
- SQL
- PIM – eggheads
Jul 2014 - Sep 2016
2 years 3 monthsHanstedt, Germany
Team Leader Controlling & Business Intelligence
Deerberg GmbH
- Advising and supporting management on strategic and operational decisions/projects
- Establishing and managing company-wide controlling, including marketing, sales, online, purchasing, supply chain, branch, HR and IT controlling
- Leading, planning, selecting, analyzing, executing, monitoring, coordinating, quality and data management, and requirements management for agile (SCRUM) and classic software projects (ERP, PIM, eShop), data warehouse and BI systems
- Creating dashboards and visualizations, mining customer data and assortment structures
- Restructuring
- Coordinating digitalization, data strategy, process optimization
- Conducting actual vs. plan comparisons, analyses and budgeting
- Assisting with annual and monthly closings, regular inventory valuation
- Liquidity planning
- Building and leading a team of technical and business staff
- Tableau, SAP BO
- mgm Commerce ERP (Choice 6)
- Scrum and classic IT project management
- Jira, Confluence
- Talend, MS SQL
- Datev
- SQL
- PIM – eggheads
Jan 2014 - Jun 2014
6 monthsHanstedt, Germany
Business Informatics Specialist / BI Consultant
Deerberg GmbH
- Advising and supporting management on strategic and operational decisions/projects
- Establishing and managing company-wide controlling, including marketing, sales, online, purchasing, supply chain, branch, HR and IT controlling
- Leading, planning, selecting, analyzing, executing, monitoring, coordinating, quality and data management, and requirements management for agile (SCRUM) and classic software projects (ERP, PIM, eShop), data warehouse and BI systems
- Creating dashboards and visualizations, mining customer data and assortment structures
- Restructuring
- Coordinating digitalization, data strategy, process optimization
- Conducting actual vs. plan comparisons, analyses and budgeting
- Assisting with annual and monthly closings, regular inventory valuation
- Liquidity planning
- Building and leading a team of technical and business staff
- Tableau, SAP BO
- mgm Commerce ERP (Choice 6)
- Scrum and classic IT project management
- Jira, Confluence
- Talend, MS SQL
- Datev
- SQL
- PIM – eggheads
May 2011 - Dec 2013
2 years 8 monthsLüneburg, Germany
Senior Software Engineer
AIC Group GmbH
- Designing, specifying, analyzing requirements and implementing analytical campaign management software and customer master/data quality services
- Building custom reports, DWH and data quality systems for retailers (>€6bn)
- MicroStrategy
- Java / Spring
- REST
- Hibernate
- Scrum – agile methodology
- Jira
- Talend
- MS SQL, Oracle, DB2
- ai.Suite – campaign management software
- Customer master, SaaS OfferEngine
Nov 2010 - Apr 2011
6 monthsLüneburg, Germany
Software Engineer
AIC Group GmbH
- Designing, specifying, analyzing requirements and implementing analytical campaign management software and customer master/data quality services
- Building custom reports, DWH and data quality systems for retailers (>€6bn)
- MicroStrategy
- Java / Spring
- REST
- Hibernate
- Scrum – agile methodology
- Jira
- Talend
- MS SQL, Oracle, DB2
- ai.Suite – campaign management software
- Customer master, SaaS OfferEngine
Jan 2009 - Oct 2010
1 year 10 monthsLüneburg, Germany
Software Engineer
Werum Software & Systems AG
- Developing, specifying and implementing production software (MES) for the pharma sector
- Designing and implementing quality and test management processes
- Java / JUnit
- Scrum – agile methodology
- Jira
- PAS-X MES Suite
- GMP
Oct 2007 - Nov 2008
1 year 2 monthsHamburg, Germany
Working Student & Master’s Thesis, Projects and Systems Department
bonprix Handelsgesellschaft mbH (Otto Group)
- Successfully leading own software projects in teleshopping and competitive analysis (web mining)
- Reporting for purchasing control
- PHP
- Oracle
- SQL
Mar 2004 - Sep 2005
1 year 7 monthsKarlsruhe, Germany
Research Assistant, Diploma Candidate and Intern, Department of Interoperability and Assistive Systems
Fraunhofer Institute IITB (now IOSB)
- Designing and implementing information systems in multinational research projects (EU-CHIL, NATO-CAESAR)
- Java
- OWL, ontologies, Semantic Web, Protege
- Software agents
Feb 2002 - Aug 2002
7 monthsLüneburg, Germany
Full-time Intern, Statistical Information Systems Department
Werum Software & Systems AG
- Designing and implementing web applications
- PHP, MySQL
Summary
- Strong interdisciplinary, strategic and solution-oriented work style
- Leading projects for company-wide software and digitalization
- Building and migrating BI, controlling and reporting systems
- Extensive experience in controlling and process optimization
Languages
German
NativeEnglish
AdvancedEducation
Oct 2005 - Feb 2009
Leuphana University Lüneburg
Master of Science, Business Information Systems · Business Information Systems · Lüneburg, Germany · 2.0
Sep 2000 - May 2005
FH Nordostniedersachsen
Diplom-Business Informatics (FH) · Business Informatics · Germany · 2.0
Oct 1999 - Aug 2000
Technical University of Braunschweig
Computer Science · Braunschweig, Germany
Certifications & licenses
Professional Scrum Master (PSM I)
scrum.org
OKR Foundation
OKR Institute
In-Memory Data Management Certificate
openHPI – Hasso Plattner Institute
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.