C# .NET Developer

DATAGROUP

full-time

Posted on: 12/21/2025

Location Type: Hybrid

Location: Mainz • 🇩🇪 Germany

✨ AI Apply

Mid-LevelSenior

AngularASP.NETCloudEntity FrameworkGoogle Cloud Platform.NETOracleReactSQLWPF

About the role

You develop modern front-end and back-end software based on .NET.
You create technical concepts and solutions and are responsible for implementation as a developer in close collaboration with our clients.
You develop cloud solutions based on GCP.
You maintain and further develop existing complex transactional systems.

Several years of experience in software development with .NET and C# is advantageous.
Strong knowledge in at least one of the following technologies: ASP.NET MVC / Web API, ORM (NHibernate, Entity Framework), WPF.
Experience with frontend frameworks such as Kendo UI, AngularJS, ReactJS, or similar.
Knowledge and experience in object-oriented development, as well as solid experience working with relational databases (Oracle DBMS, MS-SQL).
Experience with agile project management methodologies, particularly Scrum.
Very good German language skills, both written and spoken.

Benefits

Support for personal and professional development through tailored training opportunities.
Varied tasks in a permanent full-time position.
Flexible working hours / trust-based working time / mobile working.
Promotion of physical and mental health: company bike (JobRad), corporate fitness program, mental health providers, health days, and more.
A voucher portal, corporate benefits, and a subsidy for company pension plans are also provided.
Environmental initiatives: Green team, participation in Ökoprofit, and subsidies for public transportation.

Tip: use these terms in your resume and cover letter to boost ATS matches.

.NETC#ASP.NET MVCWeb APINHibernateEntity FrameworkWPFKendo UIAngularJSReactJS

collaborationcommunicationproblem-solvingtechnical concept development