Salary: 60.000 - 80.000 € per year Requirements: We require a computer science or IT-focused qualification. We require several years of professional experience with C#/.NET. We require proficiency in MS SQL Server and Entity Framework. We require web development experience with JavaScript, HTML, CSS, and React. We require fluent written and spoken German (C1). We value an analytical, independent, communicative, and quality-driven working style. Responsibilities: We build user-friendly single-page web applications. We gather specialist requirements and adapt applications accordingly. We develop components using C# and .NET. We participate in architectural and technology decisions. We develop using JavaScript, HTML5, CSS, and React. Technologies: C# CSS HTML5 JavaScript Marketing React SQL Web ASP.NET More: We represent a client that develops pioneering software for marketing, media planning, and market research. Our work serves private media companies, research institutions, and advertising agencies both domestically and internationally. In addition to our web platform, we focus on customized applications tailored to the specific requirements of individual customers. We offer challenging and varied tasks, ownership of ideas and opinions, independent responsibility, a relaxed and social team, a modern tech-equipped office, flexible hours with remote work options, continuous skill development, fair performance-based pay, and 30 days vacation. last updated 20 week of 2026