About The Company

Since over 15 years, marketwing GmbH has established itself as a leading provider in direct marketing services, primarily serving non-profit and fundraising organizations. With a dedicated team of approximately 100 employees, the company focuses on enabling its clients to concentrate on their core charitable missions by managing communication and fundraising activities effectively. Marketwing's commitment to quality and innovation has positioned it as a trusted partner in the non-profit sector, continuously striving to develop solutions that enhance operational efficiency and impact.

About The Role

We are seeking a skilled Softwareentwickler C# / .NET 10 / ASP.NET Core (m/w/d) to join our dynamic team in Garbsen. In this role, you will be instrumental in developing and maintaining a comprehensive web application tailored for organizations involved in fundraising and non-profit activities. Your work will directly support the enhancement of core processes such as donor management, campaign tracking, and data integration, enabling our clients to operate more effectively. The position offers an exciting opportunity to work on a modern architecture utilizing ASP.NET Core and .NET 10, with responsibilities spanning frontend, backend, database management, and API development. You will collaborate with cross-functional teams to implement new features, optimize existing systems, and ensure seamless integration with external services.

Qualifications

While formal educational qualifications are valued, we prioritize skills and practical experience. Candidates with an Ausbildung zum Fachinformatiker, a degree in computer science, or those who have gained substantial experience through alternative pathways are encouraged to apply. Essential technical skills include proficiency in C# and .NET, with hands-on experience in ASP.NET Core development. Familiarity with relational databases, particularly Microsoft SQL Server and T-SQL, is required. Knowledge of MVC pattern, data-driven web applications, and frontend technologies such as HTML5, CSS3, JavaScript, and TypeScript is necessary. Additionally, experience with version control systems like Git and good command of German and English are important. Nice-to-have skills include experience with Entity Framework Core, REST APIs, and the modernization of legacy applications.

Responsibilities

• Develop and implement modern features for both frontend and backend components using C# and .NET 10 / ASP.NET Core.
• Design, optimize, and maintain database structures and data-intensive processes leveraging Microsoft SQL Server.
• Create, integrate, and maintain web APIs and external system interfaces to ensure seamless data exchange.
• Enhance and integrate existing application modules to improve functionality and user experience.
• Translate customer requirements into technical solutions, managing projects from conception to deployment.
• Conduct testing, documentation, and ongoing optimization of code to uphold quality standards and system performance.
  
  

Benefits

• Secure employment with a full-time (38 hours/week) or part-time contract, offering long-term stability and career growth.
• Flexible working hours and opportunities for mobile work, supporting a healthy work-life balance.
• Generous annual leave entitlement of 30 days, with additional leave options for special occasions.
• State-of-the-art development environment utilizing Rider, GitHub, Codex, and automated tools for build and quality assurance.
• Family-oriented team culture with flat hierarchies, mutual respect, and a relaxed atmosphere.
• Convenient access to the workplace via free parking or public transportation options.
• Health and wellness benefits, including Hansefit membership, bike leasing, and office snacks and beverages.
• Comprehensive social benefits such as company pension schemes, asset-building schemes, and additional perks.
• Team-building activities, including weekly team lunches and regular company events to foster camaraderie.
  
  

Equal Opportunity

Marketwing GmbH is committed to creating an inclusive and diverse workplace. We welcome applications from individuals of all backgrounds, regardless of gender, age, ethnicity, disability, or sexual orientation. Our hiring practices are based solely on merit and qualifications, ensuring equal opportunities for all candidates. We believe that diverse teams foster innovation and drive success, and we strive to provide a work environment where everyone feels valued and empowered.