Vesterling AG | Germany | 68xxx Mannheim | Permanent position | Full time / Home office | Published since: 21.02.2026 on stepstone.de
Senior Software Developer C# (mwd)
As a senior software developer C#, you work with in a larger team that develops a complex product based on Microsoft software stacks. Our client is a software manufacturer that offers its customers a self-developed solution for exchanging large amounts of data and simplifying associated processes. It will continue to expand as new EU legislation calls for the future use of such products. Vesterling has been one of the leading technology service providers for over 25 years. The focus of the activity is on recruiting experts to executive search at board level. Our consultants are experienced computer scientists and engineers who advise you in all career issues and assist you in selecting your next position. We regularly receive awards, such as “best staff adviser” and “number 1 in competence”. .
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Your tasks • Your profile • What we offer
As a senior software developer C#, you work with a larger team that develops a complex product based on the Microsoft Software Stack and develops it for a large customer base. The product will be further modernized and scalable even better for strong use. You create technical concepts from requirements, which you then implement with your colleagues in the lead and accompany them until the production is completed. You help to improve development processes and best practices (e.g. code repositories according to Git, Clean Code, DevOps, QS, documentation, OOD principles, etc.)
At least 5 years of professional experience as software developer C# / .NET Good knowledge about Entity Framework, MS SQL, LINQ, ASP.NET MVC, Web API, Webservices, Javascript, HTML5, CSS3, JSON, jQuery, Angular, underscore.js, Unit Testing Ideally also knowledge of OO applications of design patterns (Factory, Dependency Injection, Singleton, Visitor, Adapter, Facade, Strategy, Command, Observer, MVC, MVVM, MVP Good knowledge of German in word and font .NET & .NET Core, ASP.NET Core, JavaScript (React), Entity Framework, RESTful Services A good understanding of data-related programming (SQL, Datalayer, LINQ, OData) is desirable. knowledge of Azure cloud architecture and experience with dependency management tools CI/CD knowledge and experience in API development (WCF, ASP.NET Core Web APIs, Load Balancing, Caching) Good knowledge of German and English
Our client has been successful in the market for many years and is very successful in developing and distributing its own software solution, which will increase demand due to legal requirements. It offers its employees a relaxed and good working environment in pleasant rooms, flexible working hours, HomeOffice and much more. .
Location
 | Vesterling AG | |
| 68307 Mannheim | ||
| Germany |
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