Senior .NET Developer

emagine; Brussel Hoofdstad; On-site; EUR 90,000 - 120,000; Full time

Job summary

emagine in Brussels city centre is seeking a Senior .NET Developer / Tech Lead to contribute to a scalable, AI-driven business platform. The role blends hands-on .NET coding with technical leadership, architecture decisions, and close collaboration with product, security, and operations.

You will mentor developers, conduct code reviews, design robust solutions, and translate business requirements into clear technical specifications while embracing an AI-native approach using tools like Claude

Qualifications

• Strong expertise in .NET and Azure required.
• Practical experience with Angular, Docker and Kubernetes.
• Experience with AI-assisted coding tools and modern DevOps.
• Knowledge of microservices, messaging (RabbitMQ, MassTransit) and data stores.
• Ability to lead technical discussions and mentor developers.
• Professional English, French and Dutch communication is beneficial.

Responsibilities

• Design technical solutions and ensure architecture quality.
• Lead code reviews, set coding standards, and enforce security practices.
• Coach developers and translate business requirements into technical specs.
• Collaborate with product, security, and operations to deliver a scalable platform.
• Drive AI-native software improvements using modern tooling.

Skills

.NET & Azure

Angular

Docker

Kubernetes

CI/CD

AI-assisted coding

Microservices

Event-driven

RabbitMQ

MassTransit

GraphQL

PostgreSQL

Elasticsearch

Marten

DDD

Leadership

Code reviews

Tools

GitHub

Claude Code

Job description

Senior .NET Developer / Tech Lead – AI-Driven Development

We are looking for an experienced and autonomous Senior .NET Developer / Tech Lead to contribute to the development and optimization of a scalable business platform.

The role combines hands-on .NET development, technical leadership, and AI-driven engineering. Responsibilities include designing technical solutions, ensuring code quality, conducting code reviews, coaching developers, and translating business requirements into clear technical specifications.

The team embraces an AI-native approach, leveraging tools such as Claude Code, GitHub and AI agents to generate, test, and refactor code while maintaining high standards of architecture, security, and quality.

Key Skills:

• Strong expertise in .NET and Azure.
• Experience with Angular, Docker, Kubernetes, and CI/CD.
• Practical experience with AI-assisted coding tools.
• Knowledge of microservices, event-driven architecture, RabbitMQ, and MassTransit.
• Familiarity with GraphQL, PostgreSQL, Elasticsearch, Marten, and Domain-Driven Design (DDD) is an advantage.
• Strong problem-solving skills, autonomy, and a proactive mindset.
• Ability to lead technical discussions, review code, and mentor developers.
• Professional proficiency in French, Dutch, and English.

Location:

Brussels city centre