What sets us apart:

Work-life integration

• Modern workplaces, mobile working, flexible working hours, international colleagues, and Europe-wide customers
• Plenty of room for initiative and creativity
• Independent work on interactive projects with our customers
• A friendly, open-minded company with a great atmosphere and fair working relationships
• Easy to reach by public transport
• Employee parking

Health, fitness & fun

• Fitness offers
• Bicycle parking
• Team events
• Fresh fruit
• Coffee, tea, etc.

More

• ASP with our own data center
• Sustainability – we use our own electricity

Senior Backend Developer – C#.NET (m/f/d) for our customers in the leisure industry

We are a special IT and software company. Our mission is to digitize the entire after-sales sector, supporting manufacturers and their retail partners.

To ensure that everything in the after-sales sector remains in one place, we design and create operating instructions, manuals, training materials, and much more.

With our strong team and wide-ranging expertise, we offer our customers modern, creative solutions to optimize and further develop their after-sales service.

We are based in Ravensburg and enjoy our proximity to Lake Constance.

Your tasks:

• Close cooperation and technical coordination with one of our most important customer groups
• Analysis of customer requirements and technical consulting
• Further development, refactoring, and maintenance of existing software
• Implementation of customer-specific requirements in modules for our web portal
• Development and operation of microservices with C#, ASP.NET, and REST
• Backend and database development with C#, ASP.NET, and T-SQL
• Creation and maintenance of interfaces between our systems and those of our customers
• Analysis, maintenance, and gradual modernization of legacy code (.NET 4.8, WebForms)

Qualifications:

• Degree in computer science, software engineering, or comparable qualification
• Independent, structured way of working and excellent communication skills
• Several years (at least 5) of practical experience in backend development with C#, ASP.NET, and T-SQL
• Knowledge of Azure DevOps processes and CI/CD pipelines
• Experience working with legacy systems and their gradual modernization.
• Very good German and English skills (at least C1).
• Confident use of Microsoft Visual Studio / Visual Studio Code.

Experience desirable in:

• MSSQL database administration
• Python, SciKit and/or n8n
• Hosting and use of local LLMs
• Development of mobile applications
• Knowledge of clean code architecture
• Experience in the caravan or after-sales industry

We look forward to receiving your detailed application with your earliest possible start date at

tef-Dokumentation GmbH – Angelestraße 56 in 88214 Ravensburg