Senior Dotnet Developer (English Speaking)

Infoplus Technologies UK Limited; Den Haag; On-site; EUR 70,000 - 90,000; Full time

Job summary

A technology company is seeking an experienced Senior .NET Developer to join the team in Den Haag. The role involves building scalable web applications and requires a minimum of 8 years of experience in .NET development. Your expertise in clean architecture and cloud technologies is essential. Ideal candidates have strong analytical skills and can manage multiple tasks effectively. This position offers a collaborative environment with opportunities to apply modern software development practices.

Skills

Experience in .net/Web application development

.NET, ASP.NET MVC, and .NET Framework

C#, OOP concepts, design patterns, and SOLID principles

Building RESTful Web APIs and integrating third-party services

Entity Framework / EF Core/Hybernet

Working with Oracle/SQL Server databases

Version control systems (Git, Azure DevOps)

Applying Domain-Driven Design (DDD)

Implement CQRS and mediator-based request handling

Using design patterns effectively

Job description

We are looking for an experienced Senior .NET Developer to join our team and help build scalable, secure, and high-performing web applications. If you have a passion for clean code, modern architecture, and cloud technologies, this role is for you.

Required Skills:

• Min 8 years of Experience in .net/Web application development.
• Strong experience in .NET , ASP.NET MVC, and .NET Framework.
• Clear understanding of C#, OOP concepts, design patterns, and SOLID principles.
• Hands-on experience in building RESTful Web APIs and integrating third-party services.
• Knowledge of Entity Framework / EF Core/Hybernet.
• Experience working with Oracle/SQL Server databases.
• Familiarity with version control systems (Git, Azure DevOps, etc.).
• Apply Domain-Driven Design (DDD) and Clean Architecture principles to structure solutions for maintainability and modularity.
• Implement CQRS where appropriate, including separation of read/write models and mediator-based request handling.
• Use design patterns (e.g., Factory, Strategy, Adapter, Decorator, Repository, Unit of Work) to solve recurring problems cleanly.

Good to Have

• Experience with Azure Cloud, CI/CD pipelines.
• Experience with unit testing frameworks (xUnit/NUnit).

Soft Skills

• Strong analytical and problem-solving abilities. Aware of Agile Methodologies
• Excellent communication and teamwork skills , able to interact with stakeholders, product teams, and cross-functional groups
• Ability to manage multiple tasks and deliver results within deadlines.