Support/Development/Consulting – Process development, e-invoicing, XRechnung, ZUGFeRD
Munich, Germany
Experience
Jan 2025 - Jun 2025
6 months
Support/Development/Consulting – Process development, e-invoicing, XRechnung, ZUGFeRD
Maintenance/support and further development of a complex process for creating XML documents for electronic invoices / e-invoicing (XRechnung, ZUGFeRD)
Automation of operational processes, process development and optimization, SQL Server database administration
OS: Windows 10, Windows Server
DB: MS SQL Server, MS Access
Mar 2024 - Jun 2025
1 year 4 months
Design/Development/Consulting – Digital print products, configuration and pricing
Design/development/enhancement of custom backend software for an online portal to configure and price digital print products
Reviewing and extending the database structure, implementing a new configuration and pricing process, optimizing/automating workflows, performance analysis, database tuning
Designing and developing an admin client (MS Access) for maintaining and managing master data, configuration and pricing of digital print products, data provisioning for the web frontend
Design/Development/Consulting – Process development, e-invoicing, XRechnung, ZUGFeRD
Design/development/enhancement of custom software to manage and optimize business processes with suitable technologies (SQL Server, MS Access, MS Outlook)
Design/development/enhancement of a process for creating XML documents for electronic invoices / e-invoicing (XRechnung, ZUGFeRD), SQL Server database administration, support and further development of a data warehouse, automation of operational processes, process development and optimization, configuration of web applications, administration and monitoring of a CRM application, performance analysis, database tuning
Design/development/enhancement of an application for recording, maintaining and analyzing commission data for sales staff
Connecting an existing warehouse data system via ODBC
OS: Windows 10, Windows Server
DB: MS Access 2013
Oct 2019 - Dec 2020
1 year 3 months
Design/Development/Consulting – E-commerce, big data
Application development for a complex e-commerce system (couponing system, online shops, campaign automation) to meet GDPR requirements
Implementing a complex concept for deleting personal data in a big data environment, creating tools for process optimization and automation (Unix, Oracle), creating interfaces for monitoring tools and processes
OS: Windows 10, Unix/Solaris
DB: Oracle 11/12
Apr 2018 - Feb 2023
4 years 11 months
Design/Development/Consulting – Process development and optimization, DB administration
Design/development/enhancement of custom software for database management and support with suitable technologies (SQL Server, MySQL, MS Access, MS Outlook)
Design/development/enhancement of an existing Access application (client-server) for recording, maintaining and analyzing database management data
Optimizing database operations (Oracle, MS SQL Server, MySQL, PostgreSQL), SharePoint integration for providing DB management data, automating workflows, process development and optimization, planning and implementing a patch strategy, extending database monitoring with SCOM and OEM, designing and building a monitoring solution for MySQL databases, performance analysis, database tuning
Designing and newly developing an Access application (client-server) for recording, maintaining and analyzing asset information for MySQL databases
OS: Windows 7/10, Unix/Solaris
DB: Oracle, MS SQL Server, MySQL, PostgreSQL, MS Access
Apr 2018 - Nov 2021
3 years 8 months
Design/Development/Consulting – Kopano mail server
Designing, installing and configuring a Kopano mail server (with Postfix and Fetchmail) including WebApp, operation and support
OS: Ubuntu 10.04
DB: MySQL
Mar 2018 - Feb 2023
5 years
Design/Development/Consulting – Event management
Design/development/enhancement of an existing application for recording, maintaining and analyzing event management data
Installing and configuring SQL Server 2017, porting database and backend application from SQL Server 2008 to SQL Server 2017, performance tuning, porting frontend application from Windows 7/MS Office 2010 to Windows 10/MS Office 2016, integrating new features, connecting a media database, incident and change request management with SharePoint, project lead
Further development of an existing application for controlling a fully automated cocktail machine, and for recording, maintaining and analyzing master and transaction data
General overhaul of the application, performance tuning, internationalization, integrating new features, project lead
OS: Windows XP/7
DB: MS Access 2003 and 2010
Jul 2014 - Feb 2018
3 years 8 months
Design/Development/Consulting – E-commerce, business process management
Partner and application support for a complex e-commerce system (couponing system, online shops)
Online quality management, business process management, process support and optimization for promotion and coupon processing, creating tools for process automation (Unix, Oracle), implementing various modules and reports for data analysis and evaluation (Oracle), creating monitoring tools and processes, third-level support for various applications
OS: Windows 7, Unix/Solaris
DB: Oracle 11/12
Feb 2014 - Jan 2015
1 year
Design/Development/Consulting – SharePoint server
Designing, installing and configuring a SharePoint server (user management, web content management, collaboration, Access deployment)
Operation and support
OS: Windows Server 2012
DB: SQL Server 2012, MS Access 2013
Dec 2013 - Jun 2015
1 year 7 months
Design/Development/Consulting – Price comparison data management
Designing and implementing an application for recording, maintaining and analyzing price comparison data
Connecting an existing warehouse data system via ODBC, Excel export from MS Access
Creating and enhancing various backend components of an application for master data management and maintenance in supply chain management
Creating and optimizing queries, implementing various reports and exports (including Access, Excel, SharePoint), creating various interface components (data warehouse, SAP), rollout management, incident management
OS: Windows 7
DB: SQL Server 2008, MS Access 2010
Mar 2011 - Feb 2018
7 years
Design/Development/Consulting – Event management
Further development of an existing application for recording, maintaining and analyzing event management data, migrating to SQL Server as backend DB, performance tuning, integrating new features, incident and change request management with SharePoint, project lead
OS: Windows XP/7/10
DB: MS Access 2010, SQL Server 2008
Sep 2010 - Dec 2017
7 years 4 months
Design/Development/Consulting – Zarafa mail server
Designing, installing and configuring a Zarafa mail server (with Postfix and Fetchmail) including WebApp, operation and support
OS: Ubuntu 10.04
DB: MySQL
Jul 2005 - Jul 2014
9 years 1 month
Design/Development/Consulting – Construction industry, custom ERP software
Implementing various modules for an existing system for central operations accounting / profit & loss, cost recording, financial analysis, cost accounting, time tracking, equity management, subcontractor/supplier management, bond management, flat-rate tax recording
Extending existing interfaces to various connected systems (SAP, Dynamics, Navision); developing various admin tools; creating complex reporting tools; process administration; third-level support for all applications; porting multiple databases from MS SQL Server 2000 to 2008
OS: Windows 2000/XP/7, Windows Server
DB: SQL Server 2000/2008, MS Access 2003/2010
Languages
German
Native
English
Advanced
Education
Oct 1984 - Jun 1988
Munich University of Applied Sciences
Business Informatics · Munich, Germany
Similar Freelancers
Discover other experts with similar qualifications and experience