Senior .NET Developer

Ayvens

Senior .NET Engineer designing and delivering scalable software solutions for sustainable mobility at Ayvens. Collaborating with cross-functional teams and troubleshooting complex issues.

Posted 5/26/2026full-timeAmsterdam • 🇳🇱 NetherlandsSeniorWebsite

Tech Stack

Tools & technologies

ASP.NETAWSAzureCloudEntity FrameworkMS SQL Server.NETPostgresSQL

About the role

Key responsibilities & impact

Design, build, and deliver scalable and secure software solutions
Collaborate with cross-functional teams to drive technical excellence
Take ownership of feature delivery from design to deployment
Troubleshoot complex production issues and implement long-term solutions
Ensure application reliability through CI/CD pipelines and automated testing
Implement secure authentication and contribute to system security

Requirements

What you’ll need

5+ years experience with .NET 8+, ASP.NET MVC, Web API, Entity Framework / EF Core, and LINQ
Solid knowledge of relational databases such as PostgreSQL and Microsoft SQL Server
Experience building cloud-based applications on Azure and/or AWS
Proven track record implementing secure APIs and authentication mechanisms (OAuth2, Entra ID, etc.)
Strong understanding of SOLID principles and clean code practices
Experience with CI/CD, automated testing, and monitoring tools
Fluent in English

Benefits

Comp & perks

Comprehensive rewards and recognition
Professional growth opportunities
Training and experience on the job
Healthy, positive work atmosphere
Flexible work-life balance
Engaging environment for authenticity, commitment, curiosity, and collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

.NET 8+ASP.NET MVCWeb APIEntity FrameworkEF CoreLINQPostgreSQLMicrosoft SQL ServerAzureAWS

Soft Skills

collaborationownershiptroubleshootingtechnical excellencecommunication