Markus Kohler - Development

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Schlier, Germany

Experience

May 2024 - Jul 2024

3 months

Germany

Development

Simplex Solution

Interface programming for DMS system ELO
Development and support
Dynamics Business Central

Jan 2022 - Apr 2023

1 year 4 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Upgrade NAV 2017 to Dynamics BC 23
Upgrade third-party webshop module to Dynamics BC 23
38 workstations (120 employees)
Transition to event programming / AL
Data conversion (migration of all master and transaction data)
Installation and setup of the complete system

Apr 2017 - Present

8 years 4 months

Germany

Support, Development and Migration to NAV 2015 RTC

Simplex Solution

Extension of the existing system
Ongoing support, consulting and development
NAV 2015 RTC as well as NAV 2009/Classic Client (V2.01)
100 workstations (400 employees)

Jan 2017 - Present

8 years 7 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Extension of the existing system
Ongoing support, consulting and development
Dynamics Business Central updates 19 – 23
Enhancements and optimization programming in Visual Studio and AL

Jan 2017 - Present

8 years 7 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Extension of the existing system
Ongoing support, consulting and development
Upgrade from Navision 2.6 to NAV 2013 RTC
Upgrade NAV 2013 RTC to NAV 2017 RTC
Phased rollout of the production module
38 workstations (120 employees)
Transition to event programming
Programming in posting routines (CU12, 80, 90) and entries (data extension, logic changes, validation mechanisms)

Oct 2016 - Dec 2022

6 years 3 months

Germany

Support, Senior Developer

Simplex Solution

Product optimization
First-/Second-level support
Customization and extension programming
Report design

Apr 2016 - Dec 2016

9 months

Germany

Support, Senior Developer

Simplex Solution

Product optimization
Error analysis and correction as well as porting of functions not yet implemented after update to NAV 2013 R2
Customization of industry module ProBatch
Interface adjustments
Customization of cost accounting
Adjustments and export to Excel analyses
Programming in posting routines (CU12, 80, 90) and entries as well as posted documents
Report design
User support
80 workstations (approx. 400 employees)

Aug 2015 - Apr 2016

9 months

Germany

Support, Development, Consulting

Simplex Solution

Web service integration for monitoring vehicle data (fault/service, breakdown prevention)
Interface design
Enhancement of the industry solution
User support
50 workstations (70 employees)

Aug 2014 - Mar 2015

8 months

Germany

Senior Developer

Simplex Solution

Extension of the existing system
Development in NAV 2013 RTC
NAV 2013 RTC service pack migrations
Report design and development in NAV 2015 RTC

Jan 2014 - Present

11 years 7 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Extension of the existing system
Ongoing support, consulting and development
32 workstations (100 employees)
Update NAV 2013 RTC
Update NAV 2017 RTC

Jan 2014 - Jul 2015

1 year 7 months

Germany

Training, Administration, Support, Development

Simplex Solution

Ongoing support, consulting and development
Administration
150 workstations (450 employees worldwide)
Data migration from NAV to SAP
Webshop integration for spare parts

Nov 2013 - Present

11 years 9 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Ongoing support and development
8 workstations (12 employees)

Jun 2013 - Oct 2013

5 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Upgrade programming to Microsoft Dynamics NAV 2013 RTC (from version 2.0)
EDIFACT interfaces
Optimization of workflows
Extension of the existing system
Support
8 workstations (12 employees)

Jun 2012 - Dec 2013

1 year 7 months

Germany

Partner, Installation, Training, Development

Simplex Solution

Upgrade programming to Microsoft Dynamics NAV 2013 RTC (from version 2.6)
Integration of web clients
Integration of BDE
Optimization of workflows
Extension of the existing system
Support
32 workstations (100 employees)

Dec 2011 - Apr 2012

5 months

Switzerland

Partner, Installation, Training, Development

Simplex Solution

New implementation of Microsoft Dynamics NAV 2009 RTC client
5 workstations
Intercompany
Employee portal for foreign subsidiaries

Sep 2010 - May 2012

1 year 9 months

Support / Senior Developer

Simplex Solution

Further development and support of an existing system in multiple countries (Germany, Switzerland, Sweden, Canada)

Aug 2010 - Sep 2010

2 months

Consultant / Senior Developer

Microsoft Certified Gold Partner

Data migration from NAV 4.00 to NAV 2009
Various customer customizations in the project module

Jun 2010 - Jun 2010

1 month

Consultant / Senior Developer

Microsoft Certified Gold Partner

Module development for metal surcharges in purchasing

Dec 2009 - Jul 2011

1 year 8 months

Consultant / Senior Developer

Microsoft Certified Gold Partner

Various enhancements of industry solutions and medical technology (order processing, logistics, marketing)

Nov 2009 - Feb 2010

4 months

Consultant / Senior Developer

Microsoft Certified Gold Partner

Various enhancements of industry solutions and billing interfaces in the book publishing and medical technology sectors

Aug 2009 - Nov 2009

4 months

Germany

Senior Developer / Consultant

International company

Creation of test scenarios, test cases and test scripts for a cross-country user acceptance test with Navision
Further development of the industry solution
Quality assurance and optimization

Jul 2008 - Aug 2009

1 year 2 months

Consultant / Project Lead SCM, Logistics, Production

Microsoft Certified Gold Partner

Consultant in the food industry / life science

Jan 2008 - Jun 2008

6 months

Germany

Senior Developer / Consultant

International company

Development of modules for a new industry solution
Customer and branch management / logistics
Assortment management module
Flexible template management for guided master data creation (template management)
Mandatory fields module for master data
Documentation and development of the EDI tool (business logic for data exchange)
Design and implementation of interfaces for data migration
Module for managing arbitrary additional information for master and transaction data (attribute management)

Jun 2007 - Sep 2007

4 months

Senior Developer / Consultant

Microsoft Certified Gold Partner

Implementation of internal group order processing for country offices as B2B using XML transactions, including goods receipt and invoice receipt

Jan 2007 - Dec 2007

1 year

Senior Developer / Consultant

Microsoft Certified Gold Partner

Development of a new module for managing and billing leasing and rental objects
Contract management
Lease object management
Checklists for proper contract setup
Lease processing and invoicing
Early buyout / damage invoicing / buyout interest
Refinancing of lease agreements
Billing to the refinancer
Hire purchase processing

Dec 2006 - Jan 2007

2 months

Germany

Senior Developer

Food wholesale

Setup and preparatory measures for VAT conversion
Billing module for rental equipment in Microsoft Navision, maintenance in the SCM area
Integration and setup for output of financial data for tax audit (GDPdU)

Jul 2006 - Dec 2006

6 months

Senior Developer

Microsoft Certified Gold Partner

Programming in the financial accounting and fixed assets modules due to a version change
Changes in the costing module – automatic creation of allocations and import from the project module
Module creation for converting a chart of accounts to IFRS
Function enhancements and validations for IFRS postings

May 2006 - Aug 2006

4 months

Germany

Project Manager

Food wholesale

Project management
Independent installation, training and go-live support of a project in financial accounting, purchasing, sales, warehousing.

Apr 2006 - Jun 2006

3 months

Germany

Consultant and Developer

Food wholesale

New programming of an interface to the route planning system
Development of a telephone station planning system for strategic and operational planning of call lists and order processing
Interface for integration with a central billing system

Mar 2006 - Jun 2006

4 months

Consultant and Developer

Microsoft Certified Gold Partner

Update and data migration programming in the financial accounting, purchasing, sales and warehousing modules based on a food industry solution

Mar 2006 - Apr 2006

2 months

Germany

Project Manager / Consultant

Food wholesale

Conducting detailed analyses based on an industry solution in the food sector

Jan 2006 - Present

19 years 7 months

Development and Project Management

Began self-employment as a freelance developer and project manager

Jan 2006 - Present

19 years 7 months

Germany

Project Manager / Consultant

Wholesale

Ongoing support and maintenance for all Navision issues for a food wholesale business

Jan 2006 - Jul 2008

2 years 7 months

Germany

Project Manager / Consultant / Training

Trade companies

Project management and training on behalf of a food wholesaler

Jan 2006 - Mar 2006

3 months

Germany

Project Manager / Consultant / Training

Wholesale with C+C market

Training and support for the go-live of a food company based on a food industry solution.

Mar 2005 - Dec 2006

1 year 10 months

Germany

Specialist Consultant

Wholesale and retail (C+C market)

Development work in purchasing, sales, warehousing and financial accounting
Interfaces for data migration from the legacy system
Cross-client billing system (sales billing)
Expiry date sales module

Apr 2004 - Feb 2005

11 months

Germany

Project Manager

Food wholesale

Migration of a legacy system with distribution structure: 4 sales companies across 2 locations
Migration in all modules including logistics, sales billing with integration to an external financial accounting
Extensions in the logistics module for mass order processing (1000 orders/day)
Development and integration with various factoring systems
Integration and customization of the DATEV module

Jun 2003 - Mar 2004

10 months

Germany

Project Manager

2 Wholesalers (Food)

Migration of a legacy system for 2 wholesale companies (joint project across 2 locations)
Custom programming in purchasing, sales, warehousing, financial accounting modules
EDIFACT integration
Document customization, posting routines, table and form extensions

Jun 2002 - Dec 2003

1 year 7 months

Germany

Project Manager

Frozen food trade

Implementation of Navision for a newly founded company – leading 4 employees
Financial accounting, purchasing, sales, logistics
Interfaces for electronic point-of-sale devices
Interfaces to the route planning system
Interface for delivery and sales statistics (SAP integration) and sales billing
Later migration to in-house warehousing

Oct 2001 - Feb 2002

5 months

Germany

Project Manager / Consultant

Manufacturing company

Migration from a legacy system (production of films and packaging)
Production with simple BOM, make-to-order and make-to-stock manufacturing
Custom programming in purchasing, sales, warehousing, financial accounting and production modules
Document customization, posting routines, table and form extensions

May 1997 - Dec 2005

8 years 8 months

Germany