Backend Developers

SIENNArnhem/NijmegenEURESpublished 09/04/2026
Must-have:C#AzureFrontendBackendDevOpsSecurity

Backend development

The power of combined development approaches

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Layer 1

Our consistently thoughtful approach to backend development

The way we build the backend of web applications and apps is evolving. SIENN has a dedicated team of backend developers who build robust and flexible backend systems for you as part of our custom software development services. And we always do so based on a well-considered approach.

We start by mapping your specific needs and objectives. Then we design and develop tailor-made backend solutions that integrate seamlessly with your systems and the frontend of your website or application. Why choose SIENN? We have extensive experience in developing robust and flexible backend systems. We bring expertise in a wide range of programming languages and frameworks. We always focus on efficiency, security, and scalability. With a backend system designed by SIENN, you can efficiently store, retrieve, and manage data. You can process user input, make decisions based on that input, and perform complex calculations to deliver the required functionality. All supported by the right security protocols, managed access control, and protection against threats such as SQL injections.

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Programming Languages and Frameworks

Backend development revolves around the technologies used to implement the functionality and logic behind a website or application. At SIENN, we work with a wide range of programming languages and frameworks. Our backend developers are experienced in selecting and applying the right technologies based on your project requirements, always with a strong focus on efficiency, security, and scalability. This overview shows the programming languages and frameworks we frequently use.

  • C# (C Sharp)
  • VB.NET (Visual Basic .NET)
  • .NET Framework
  • ASP.NET
  • Azure Functions
  • Azure App Service
  • Entity Framework
  • Azure Devops
  • .NET Core
  • Azure IoT centr...

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