.NET developer - Backend Engineer

Role: .NET Developer – Backend Engineer

Duration: 6 months

Location: The Hague, Netherlands

Remote Work: Hybrid

Work Regime: 36 hours per week

Start Date: 1 December 2025

Languages: Dutch

Job Description:

As a .NET Developer, you will work within a DevOps team on the backend of the LLM platform and contribute to:

• Development and maintenance of microservices and APIs in .NET Core / C#.
• Design and implementation of scalable REST and event-driven architectures.
• Setup and management of CI/CD pipelines (Azure DevOps / GitHub Actions).
• Containerization with Docker and Helm, deployment on Kubernetes (GitOps).
• Integration with Azure services (Key Vault, Storage, Managed Identity) and on-prem components (OpenShift).
• Implementation of security (OAuth2, OpenID Connect, RBAC, auditing).
• Monitoring and logging with Application Insights, Prometheus, and Grafana.

The goal of the assignment is to realize a stable, scalable backend architecture that is ready for growth in users, agents/plugins, and organizations.

About the Customer

Ministry of Justice and Security / JenV Datalab

Requirements

• Minimum HBO diploma in computer science, software engineering, or similar.
• At least 3 years of experience with .NET Core and C# backend development.
• At least 3 years of experience with Docker, Helm, and Kubernetes (OpenShift is a plus).
• At least 2 years of experience with CI/CD tools (Azure DevOps or GitHub Actions).
• Experience with OAuth2, OpenID Connect, RBAC, and secure coding practices.
• Experience with SQL and NoSQL databases, preferably Redis or Kafka.
• Experience with Azure services such as Key Vault, Managed Identity, and Storage.

Wishes

• Knowledge of LLM or AI platforms is an advantage.
• Experience with multi-cloud or hybrid environments.
• Experience with Infrastructure as Code (Bicep, Terraform).
• Strong communication skills and team orientation.
• Proactive, analytical, and solution-oriented attitude.