Ernst Höfler - Support/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD

Recommended expert

Munich, Germany

Experience

Jan 2025 - Present

1 year 1 month

Germany

Support/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD

Support and enhancement of a complex process for creating XML documents for electronic invoices / e-invoicing (XRechnung, ZUGFeRD)
Automation of operational processes, process development and optimization
Development of frontend applications with MS Power Apps
Porting SQL Server 2016 to SQL Server 2022
Database administration for SQL Server

Mar 2024 - Jul 2024

5 months

Design/Development/Consulting – Digital Print Products, Configuration and Pricing

Design, development and further development of custom software (backend) for an online portal for configuring and pricing digital print products
Review and extension of the database structure
Implementation of a new configuration and pricing process
Optimization/automation of process flows
Performance analysis and database tuning
Design and development of an admin client (MS Access) for maintaining and managing master data
Data provisioning for the web frontend
Project management with Taiga

Nov 2023 - Mar 2024

5 months

Design/Development/Consulting – Calculation of Sales Prices

Further development of an application for calculating sales prices for any items
Connection of an existing warehouse data system (MS SQL Server)

Sep 2023 - Dec 2024

1 year 4 months

Design/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD

Design, development and further development of various routines for handling business processes with SQL Server, MS Access and MS Outlook
Automation of operational processes (office automation, electronic invoices / e-invoicing, XRechnung, ZUGFeRD)

Feb 2022 - Jul 2023

1 year 6 months

Design/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD

Design, development and further development of custom software for handling and optimizing business processes with SQL Server, MS Access and MS Outlook
Design and further development of a process for creating XML documents for electronic invoices (XRechnung, ZUGFeRD)
SQL Server database administration
Support and further development of the data warehouse
Automation of operational processes, process development and optimization
Configuration of web applications
Administration and monitoring of a CRM application
Performance analysis and database tuning
Porting SQL Server 2014 to SQL Server 2019

Mar 2021 - Jun 2021

4 months

Concept/Development/Consulting – Sales commission management

Concept, development and further development of an application to record, maintain and analyze commission data for sales staff
Connection of an existing warehouse data system via ODBC

Oct 2019 - Dec 2020

1 year 3 months

Concept/Development/Consulting – E-Commerce, Big Data

Application development for a complex e-commerce system (couponing system, online shops, campaign automation) to implement GDPR requirements
Implementation of a complex concept for deleting personal data in a big data environment
Creation of tools for process optimization and automation (Unix, Oracle)
Development of interfaces for monitoring tools and processes

Apr 2018 - Feb 2023

4 years 11 months

Concept/Development/Consulting – Process development and optimization, database administration

Concept, development and further development of custom software to manage and maintain databases with SQL Server, MySQL, MS Access and MS Outlook
Concept and further development of an existing Access application (client-server) for capturing, maintaining and analyzing database administration data
Optimization of database operations (Oracle, MS SQL Server, MySQL, PostgreSQL)
SharePoint integration to provide database administration data
Automation of operations, process development and optimization
Planning and implementation of a patch strategy
Expansion of database monitoring with SCOM and OEM
Concept and setup of a monitoring solution for MySQL databases
Performance analysis and database tuning
Concept and new development of an Access application (client-server) for capturing, maintaining and analyzing asset information for MySQL databases

Apr 2018 - Nov 2021

3 years 8 months

Concept/Development/Consulting – Kopano mail server

Designing, installing and configuring a Kopano mail server (with Postfix and Fetchmail) including WebApp
Operation and support

Mar 2018 - Feb 2023

5 years

Concept/Development/Consulting – Event management

Design, development and further development of an existing application for capturing, maintaining and analyzing event management data
Installation and configuration of SQL Server 2017
Migration of database and backend application from SQL Server 2008 to SQL Server 2017
Performance tuning
Migration of frontend application from Windows 7/MS Office 2010 to Windows 10/MS Office 2016
Integration of new features
Connection to a media database
Incident and change request management with SharePoint
Project management

Apr 2016 - Jun 2016

3 months

Concept/Development/Consulting – Calculation of Sales Prices

Further development of an application for calculating sales prices for any items
Connection to an existing inventory data system via ODBC

Feb 2015 - Nov 2015

10 months

Concept/Development/Consulting – Hospitality, Fully Automated Cocktail Machine

Further development of an existing application for controlling a fully automated cocktail machine and for capturing, maintaining, and analyzing master and transaction data
General overhaul of the application
Performance tuning
Internationalization
Integration of new features
Project management

Jul 2014 - Feb 2018

3 years 8 months

Concept/Development/Consulting – E-commerce, Business Process Management

Partner and Application Support for a complex e-commerce system (couponing system, online shops)
Online Quality Management and Business Process Management
Process support and optimization for promotion and coupon processing
Development of tools for process automation (Unix, Oracle)
Implementation of various modules and reports for data analysis and evaluation (Oracle)
Creation of monitoring tools and processes
Third Level Support for various applications

Feb 2014 - Jan 2015

1 year

Concept/Development/Consulting – SharePoint Server

Design, installation, and configuration of a SharePoint server (user management, web content management, collaboration, access deployment)
Operation and support

Dec 2013 - Jun 2015

1 year 7 months

Concept/Development/Consulting – Management of Price Comparison Data

Design and implementation of an application for capturing, maintaining, and analyzing price comparison data
Connection to an existing inventory data system via ODBC
Excel export from MS Access

Mar 2012 - Jan 2014

1 year 11 months

Concept/Development/Consulting – Supply Chain Management

Development and enhancement of various backend components of an application for master data management and maintenance in Supply Chain Management
Creation and optimization of queries, implementation of various reports and exports (Access, Excel, SharePoint)
Development of various interface components (Data Warehouse, SAP)
Rollout management and incident management

Mar 2011 - Feb 2018

7 years

Concept/Development/Consulting – Event Management

Further development of an existing application for capturing, maintaining, and analyzing event management data
Migration to SQL Server as the backend database
Performance tuning
Integration of new features
Incident and change request management with SharePoint
Project lead

Sep 2010 - Dec 2017

7 years 4 months

Concept/Development/Consulting – Zarafa Mail Server

Designing, installing, and configuring a Zarafa mail server (with Postfix and Fetchmail), including the WebApp
Operation and support

Jul 2005 - Jul 2014

9 years 1 month

Concept/Development/Consulting – Construction Industry, Custom Software (ERP System)

Implementation of various modules for a system for central operational accounting / profit calculation, cost tracking, financial analysis, cost accounting, time tracking, participation management, subcontractor and supplier management, guarantee management, and flat-rate tax recording
Enhancement of existing interfaces to SAP, Dynamics, and Navision
Development of administration tools and complex analysis tools
Process administration
Third-level support for all applications
Porting multiple databases from MS SQL Server 2000 to 2008