Senior.NET Backend Engineer - Next Learning Valley

Role Overview

We are looking for a hands-on Senior .NET Backend Engineer to help design, build and operate robust backend services and modular applications within our broader platform environment.

This role is focused on developing production-ready APIs, background services and backend components with a strong emphasis on clean architecture, maintainability, reliability and technical ownership.

Key Responsibilities

Backend Engineering & Application Development

Design, build and maintain APIs using .NET and ASP.NET Core
Develop clean and maintainable C# code
Apply async/await, dependency injection and minimal APIs
Design REST and OpenAPI contracts
Support modular monolith and microservice architectures
Troubleshoot production issues
Ensure secure and production-ready solutions

Database, Integration & Event-Driven Architecture

Design PostgreSQL schemas and migrations
Optimize SQL performance
Design REST and event-driven integrations
Work with Kafka or Azure Service Bus
Support CDC and streaming integrations

Cloud, Containers & Platform Operations

Containerize services with Docker
Deploy through CI/CD pipelines
Work with Azure platform services
Support Kubernetes / AKS
Use observability tooling such as Prometheus and Grafana
Apply Infrastructure as Code

Security, Collaboration & Technical Ownership

Work with OAuth2, JWT and Keycloak
Collaborate with backend, frontend and platform teams
Review pull requests
Take ownership of technical solutions
Support GDPR and compliance requirements

Required Experience

- .NET 8+ / ASP.NET Core
- Advanced C#
- PostgreSQL
- REST & OpenAPI
- Docker
- Git & CI/CD
- Microservices / Modular Monolith
- Production-grade backend development

Strong analytical skills

Strongly Desired

Kubernetes / AKS
Azure Services
Kafka / Azure Service Bus
Keycloak
Azure DevOps / GitHub Actions
Prometheus & Grafana
Pulumi / Terraform / Bicep

Nice to Have

Python
Change Data Capture (CDC)
Data Platforms
GDPR / Regulated environments
React or TypeScript

This profile is intended for a senior hands-on backend engineer who contributes to both implementation and solution-level technical decisions.

Who We Are

Next Learning Valley is the leading implementation partner for innovative learning technologies in the Netherlands and Belgium. As the exclusive partner of Learning Pool, we work with Stream LXP, Learning Locker (LRS), and Learning Pool Automation to help organizations create modern, data-driven learning ecosystems.

In addition, we develop our own solutions that enable organizations to deliver more personalized, intelligent, and data-driven learning experiences. Our platforms and technologies provide the foundation for future-ready learning and development.

If you see yourself in this role, we’d love to hear from you.

Apply now