Application Development (m/f/d) - Gießen

Project overview

Allgeier Public is one of the leading full-service providers for digitalization projects for public administrations in Germany.

Shape the digital future with us in exciting and varied customer projects in modern IT - especially in the public sector. With you as a cooperation partner or with the know-how and expertise of your employees subject to social security contributions, we can successfully realize our customer projects together and master the digital challenges of the future.

Starting December 2026, we are looking for support for the Gießen location in the area of application development and maintenance in C#.NET. The assignment will be approximately 20% on-site in Gießen and 80% remote. The focus will be on supporting and optimizing existing applications, error analysis, and assisting with the technical further development of a modern application landscape.

Services in the Project

Project Requirements

Your Benefits

For more information on this and other offers, we are of course available at any time.

To ensure quick processing, please provide the reference number 152250.

• Consulting to ensure the operation and monitoring of business applications and associated interfaces and data transfer processes
• Performing error analyses as well as conception and implementation of bug-fixing measures in the C#.NET environment
• Maintenance and further development of existing applications, interfaces, and database objects
• Consulting on the integration and implementation of new application modules and interfaces
• Creation of evaluations and database queries based on Oracle SQL/PLSQL
• Technical consulting on framework updates, architectural issues, and modernization of existing applications
• Several years of experience in development with C#.NET
• Experience in the analysis and maintenance of existing business applications and legacy systems
• Knowledge in the area of Gupta Team Developer, Wisej.NET, or comparable migration projects is an advantage
• Good knowledge of Oracle databases as well as SQL and PL/SQL
• Experience in supporting interfaces and integrations
• Uncomplicated billing option via our online credit portal, including online management of proof of performance
• Customer-independent payment terms and reliable payout
• Diverse project assignments with renowned clients in the public sector
• Goal-oriented exchange with our consulting team regarding all aspects of your project assignment
• Established and sound compliance processes

Project details

12.2026

12.2027

Industry: IT Services

Your contact person:

Alexandra Fischer

*@*.eu

*

• Start: 2026-12
• Duration: 12 Monate
• Remote: hybrid
• Location: Gießen, Deutschland, DE
• Languages: German