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tef-Dokumentation GmbH is a specialized IT and software development company dedicated to transforming the After-Sales sector within the leisure and recreational industry. Located in Ravensburg, near the scenic Bodensee, the company prides itself on delivering innovative digital solutions that streamline and enhance post-sales processes for manufacturers and their trading partners. With a focus on sustainability, tef-Dokumentation GmbH operates its own data center powered by renewable energy, emphasizing its commitment to environmentally responsible practices. The organization fosters a collaborative and family-like atmosphere, emphasizing open communication, creativity, and employee well-being. Its modern workplaces, flexible working arrangements, and international team environment make it an attractive employer for professionals seeking growth and dynamic projects in a supportive setting.
About The Role
We are seeking an experienced Senior Backend Developer specializing in C#.NET to join our team and contribute to our mission of digitalizing the After-Sales processes in the leisure industry. In this role, you will work closely with key clients, understanding their requirements, and translating them into robust, scalable software solutions. You will be responsible for maintaining and enhancing existing applications, developing new modules for our web portal, and ensuring seamless integration through APIs and microservices. Your expertise will help modernize legacy systems built on .NET 4.8 and WebForms, guiding them towards contemporary, efficient architectures. The position offers an opportunity to work on diverse projects, from backend development and database management to system modernization, all within a collaborative and innovative environment.
Qualifications
The ideal candidate will possess a university degree in Computer Science, Software Engineering, or a comparable qualification. You should have at least five years of practical experience in backend development using C#, ASP.NET, and T-SQL, demonstrating a strong ability to deliver high-quality software solutions. Familiarity with Azure DevOps processes, CI/CD pipelines, and working with legacy systems for modernization projects is essential. Excellent communication skills in German and English (minimum C1 level) are required, along with proficiency in Microsoft Visual Studio or Visual Studio Code. Additional skills such as MSSQL database administration, experience with Python or SciKit, hosting local large language models, mobile application development, and knowledge of Clean Code Architecture are highly desirable. Experience within the Caravan or After-Sales industry is a plus, but not mandatory.
Responsibilities
- Collaborate closely with key clients to understand their technical needs and provide expert advice on solutions.
- Analyze customer requirements and develop tailored software modules for our web portal.
- Refactor, maintain, and enhance existing software systems, including legacy code based on .NET 4.8 and WebForms.
- Design, develop, and operate microservices using C#, ASP.NET, and RESTful APIs to ensure scalable and reliable integrations.
- Engage in backend and database development tasks, ensuring optimal performance and security.
- Create and maintain interfaces between our systems and those of our clients, ensuring seamless data exchange.
- Participate in the modernization of legacy systems, gradually migrating them to modern architectures and technologies.
- Contribute to continuous improvement processes, including CI/CD pipelines, to streamline deployment and updates.
- Modern work environment with flexible working hours, remote work options, and international collaboration.
- Opportunities for personal initiative and creative input in meaningful projects.
- Engagement in innovative and future-oriented solutions within a family-like company culture.
- Accessible location with good public transportation connections and employee parking facilities.
- Health and wellness offerings, including fitness programs, bicycle parking, and team events.
- Fresh fruit, coffee, and tea provided to support daily well-being.
- Participation in sustainability initiatives, including the use of renewable energy for our data center.
tef-Dokumentation GmbH is committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of gender, age, ethnicity, disability, or sexual orientation. Our goal is to create an environment where every employee feels valued, respected, and empowered to contribute to our collective success. We believe that diverse teams drive innovation and excellence, and we are dedicated to providing equal opportunities for growth and development to all team members.
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