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Holger K.

Data Migration Sage 100 to Odoo

Merzalben, Germany

Experience

Feb 2025 - Apr 2025
3 months

Data Migration Sage 100 to Odoo

LRT Automotive

  • Database development, planning, documentation
  • Migrating data from Sage Line 100 database to Odoo
  • Technologies: MS SQL Server, SQL (T-SQL), Power Query, Excel
Jun 2024 - Feb 2025
9 months

Website development, Web service API

Aktive-Time

  • Application development, database development, planning, documentation
  • Implemented a general web API for use in different clients (WPF, ASP.NET Core App)
  • Technologies: C# .NET Core 8.0, SQL, Entity Framework Core 9.0, LINQ, ASP.NET Core Web API (JSON), Docker, Serilog
Aug 2020 - Mar 2024
3 years 8 months
Munich, Germany

Conversion of LibreOffice macros to MS Office VSTO add-ins

IF Blueprint AG

  • Application development, database development, planning, documentation
  • Bug fixing (troubleshooting, debugging, and testing in C#, WPF, unit tests), documentation (developer, admin, and user docs), VSTO (document-level customizations and VSTO add-ins), Office add-ins, Excel, Word, SLV, SOZ-VSTO add-ins, Excel-Calc converter
  • Technologies: C#, .NET Framework 4.8, VBA, Python, WPF, VSTO, Windows API, WinForms, .NET Core, Excel-DNA, SQLite DB, Autofac, ClosedXML (OpenXML), Log4Net, COM interop, ActiveX, custom task pane integration, XAML
Jul 2019 - Mar 2020
9 months
Unterschleißheim, Germany

Enhancement of automation test software, bug fixing

Alpine

  • Application development
  • Implemented 64-bit wrapper (LegacyWrapper); set up EF Core (context manager, repository, SQLite DB); bug fixing (debugging and testing in C#, WPF); implemented web service (ASP.NET Core Web API) for data exchange
  • Technologies: C# .NET, SQL, Entity Framework Core 2.2/3.1, LINQ, ASP.NET Core Web API (JSON), SQLite
Oct 2018 - Mar 2019
6 months
Stuttgart, Germany

UI .NET WinForms dialogs - Access add-in integration

MDC

  • Application development, project management/planning, design and development
  • .NET WinForms and WPF integration into Sage 100 GUI (MS Access)
  • Technologies: C#, Entity Framework, LINQ, Access VBA, WPF, WinForms, SQL
Aug 2018 - May 2019
10 months
Stuttgart, Germany

Sage Line Cloud Integration

MDC

  • Application development, project management / concept, planning and development
  • DRACOON cloud connection to Sage Line 100
  • Technologies: C#.Net, Sage Add-In (Access, VBA), SQL, Entity Framework 6.2, LINQ, ADO
Oct 2017 - Feb 2018
5 months
Stuttgart, Germany

Sage Access Add-In development and revision

MDC

  • Application development, project management / concept, planning and development
  • Revision and further development of the existing Sage Add-In (Access)
  • Technologies: Access, VBA, ADO, SQL, Word, Outlook
Jun 2017 - Oct 2017
5 months
Stuttgart, Germany

Sage Task Center

MDC

  • Application development, project management / concept, planning and development
  • Sage Task Center programming
  • Technologies: C#, Entity Framework 6.2, LINQ, ADO.NET, SQL
Mar 2017 - Apr 2017
2 months
Stuttgart, Germany

Bonobo Git Server Integration

MDC

  • Application development, project management / concept, planning and development
  • Data backup and version control via Git server
  • Technologies: IIS, GIT
Jan 2017 - Apr 2017
4 months
Stuttgart, Germany

Reports

MDC

  • Application development, project management / concept, planning and development
  • Created reports in SSMS (Reporting Services) and Excel
  • Technologies: VBA, SQL, ADO
Oct 2016 - Feb 2019
2 years 5 months
Schwaig, Germany

Reuters RFA API (DACS interface) and file-exchange interfaces

1stVision

  • Application development
  • Retrieval of currency, foreign exchange, and precious metal rates
  • Windows services for scheduled processing of export and import interfaces
  • Technologies: C#.Net, SQL, XML
Sep 2016 - Jan 2017
5 months
Stuttgart, Germany

Certificate management

MDC

  • Application development, project management / design, planning, and development
  • Revision of auditor commissioning and certificate management, new documents added (Word), and programmatically filled bookmarks and building blocks
  • Technologies: Sage Add-In (VBA), SQL
Sep 2016 - Oct 2016
2 months
Weingarten, Germany

Document View

O & S EDV

  • Application development, project management / design, planning, and development
  • Update of legacy system
  • Technologies: VB.Net, Sage Add-In (VBA), SQL
Sep 2016 - Sep 2016
1 month
Stuttgart, Germany

DADIS

MDC

  • Application development, project management / design, planning, and development
  • Data transmission to Dadis (interface)
  • Technologies: Sage Add-In (VBA), SQL
Jul 2016 - Aug 2016
2 months
Weingarten, Germany

SagePPS-BDE Calitime interface

O & S EDV

  • Application development, project management / design, planning, and development
  • Development of an interface from Sage Line (ERP, PPS) to Calitime (personnel time tracking)
  • Technologies: VB.Net, Sage Add-In (VBA), SQL
Apr 2016 - Jun 2016
3 months
Weingarten, Germany

Serializer Customization

O & S EDV

  • Application development, project management/conception, planning and development
  • Legacy system update
  • Technologies: VB.Net, Sage Add-In (VBA), SQL
Apr 2016 - Apr 2016
1 month
Weingarten, Germany

Daisy

O & S EDV

  • Application development, project management/conception, planning and development
  • Legacy system update
  • Technologies: VB.Net, Sage Add-In (VBA), SQL
Mar 2016 - Apr 2016
2 months
Weingarten, Germany

Trigger

O & S EDV

  • Application development, project management/conception, planning and development
  • SQL database triggers for table reconciliation between different databases (syncing Sage databases via triggers)
  • Technologies: SQL
Jan 2015 - Sep 2015
9 months
Munich, Germany

Logistics Interface Sage OfficeLine - Rhenus

Smeg Hausgeräte GmbH

  • Application development, project management/conception, planning and development
  • Logistics interface (Sage OfficeLine – Rhenus), transfer database, Windows service, Sage Add-In, SFTP interface, MSSQL report server
  • Technologies: VB.Net, Sage Add-In (VBA), SQL
Jul 2014 - Jul 2015
1 year 1 month
Dahn, Germany

Pre-Calculation with Quote Creation

SLS Kunststoffverarbeitungs GmbH & Co. KG

  • Application development, project management/conception, planning and development
  • Pre-calculation with quote creation for AktiveTime production
  • Quantity-based quote creation from the resource list as a basis and freely editable pre-calculation
  • Technologies: PowerBuilder application, VBA
Jun 2013 - Aug 2013
3 months
Munich, Germany

Excel Purchase Planning (Forecast)

Smeg Hausgeräte GmbH

  • Application development, project management / design, planning and development
  • Scheduling with document workflow
  • Technologies: VBA, SQL
Oct 2012 - Nov 2012
2 months
Munich, Germany

ServiceTool Dunning System

Smeg Hausgeräte GmbH

  • Application development, project management / design, planning and development
  • Extension of the ServiceTool software with a dunning system for technicians
  • Technologies: PowerBuilder .NET WinForm application
May 2012 - Jul 2016
4 years 3 months
Dahn, Germany

Reports and Analyses (MS SQL Reporting Service)

SLS Kunststoffverarbeitungs GmbH & Co. KG

  • Database development, project management / design, planning and development
  • Development and delivery of reports
  • Technologies: SQL (T-SQL), SQL stored procedures and functions
Mar 2012 - Dec 2012
10 months
Munich, Germany

Logistics Interface Sage OfficeLine - COGLAS

Smeg Hausgeräte GmbH

  • Application development, project management / design, planning and development
  • Logistics interface from Sage OfficeLine to COGLAS GmbH Logistic Solutions
  • Technologies: Sage Add-In (VBA Access), SQL
Jan 2012 - May 2012
5 months
Munich, Germany

ServiceTool WCF Service

Smeg Hausgeräte GmbH

  • Application development, project management / design, planning and development
  • Development of a .NET WCF service to connect the service software and the web client
  • Technologies: PowerBuilder .NET WinForm application, VB.NET WCF service, TAPI interface
Jan 2010 - Jul 2010
7 months
Munich, Germany

ServiceTool Web Client

Smeg Hausgeräte GmbH

  • Application development, project management / design, planning and development
  • Service Center web client for field service staff (reports, customer lists, online orders, bonus calculation)
  • Technologies: PowerBuilder .Net Web Form Application
Mar 2009 - Mar 2016
7 years 1 month
Munich, Germany

System Administrator

Smeg Hausgeräte GmbH

  • System administration / server and network administration
  • Administration of servers, network, devices, software, etc.
  • Technologies: Windows Server domain (DNS, DHCP, AD), SQL Server, Exchange Server, ESXi Server, Symantec Backup Exec, time tracking, phone system
Sep 2006 - Sep 2008
2 years 1 month
Munich, Germany
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GfkS mbH

  • Sage OfficeLine customizations for KATZ GmbH & Co. KG, Weisenbach: document adjustments, item workflow
  • Serial number management, Aaronn Electronic GmbH, Puchheim: serial number exchange, managing part serial numbers in production items
  • Customer service management (ServiceTool), Smeg Hausgeräte GmbH, Ismaning: service software - managing external technicians in connection with Sage OfficeLine
  • Power plant labeling system (parts management), GKS Schweinfurt GmbH, Schweinfurt: recursive tree structure, stock, orders
  • BDE module for Aktive-Time production (PPS)
  • Technologies: PowerBuilder (.Net Win Forms), VBA, SQL, VB.Net (.Net Remoting)
Sep 2004 - Oct 2005
1 year 2 months
Dortmund, Germany

Roll production for manufacturing management

Hadley Profiltechnik GmbH

  • Application development, project management / design, planning and development
  • Roll production (customizations of the AktiveTime manufacturing for roll producers (coils))
  • Technologies: PowerBuilder application, Sage add-in (VBA), VBA
Mar 2003 - May 2006
3 years 3 months
Carlsberg, Germany

Production management (PPS)

Aktive-Time Software

  • Application development, project management / design, planning and development
  • Production management system (PPS solution) integrated as an add-in to Sage Office-Line.
  • Technologies: PowerBuilder application, Sage add-in (VBA), VBA
Sep 2002 - Jan 2003
5 months
Schramberg, Germany

Application development & training for various clients

Bauknecht Softfolio.pps GmbH

  • Programming add-ins for Sage Office-Line. Installing, rolling out, and training on Office-Line. Extending the Softfolio PPS application (Sage OfficeLine PPS)
  • Technologies: VBA, SQL, Visual Basic 6.0

Summary

Creative professional with extensive project experience.

My skills include:

  • Analytical thinking
  • Creativity
  • Perfectionism
  • Passion
  • Patience
  • Teamwork

Languages

German
Native
English
Intermediate

Education

EDV-Beratung Weiss

IT specialist in application development · IT specialist in application development · Schiltach, Germany

Kaufmännische Schule Donaueschingen

Secondary school diploma · Donaueschingen, Germany

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