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# Tech Lead .Net Developer

- **Company:** Sander
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Salary:** €60,000 - €66,000
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Artificial Intelligence, Microsoft Azure, C Sharp (Programming Language), Cloud Engineering, Software Quality, Code Review, Continuous Integration, DevOps, Programming Tools, Distributed Systems, PostgreSQL, Enterprise Messaging Systems, Software Engineering, Cloud Platform System, GitHub Copilot, Claude Code, Agentic-AI, Event Driven Architecture, AngularJS, Kubernetes, Graphql, Data Management, Front End Software Development, Event Sourcing, Domain Driven Design, Docker
- **Published:** November 10, 2026
- **Apply:** https://europa.eu/eures/portal/jv-se/jv-details/NTNlODc1MGItYTYzMC00YmZjLTlhYjktZDJmYTQ3Yjk2YTU4IDM?lang=en

## About the Role

* You bring extensive experience in .NET / C# software development, ideally within complex enterprise environments.
 * You have strong expertise with Microsoft Azure and cloud-based architectures.
 * You are comfortable working with Docker, Kubernetes, CI/CD pipelines and DevOps practices.
 * You have experience with Angular or modern front-end development frameworks.
 * You regularly leverage AI-assisted development tools such as GitHub Copilot, Claude Code, or similar solutions and understand both their strengths and limitations.
 * You have a proven ability to lead technical discussions, mentor engineers, challenge architectural decisions, and drive software quality across a development team.
 * Complete proficiency in Dutch, English and French

Nice to Have

 * Experience with Event-Driven Architecture, messaging systems, and asynchronous integrations.
 * Exposure to GraphQL, PostgreSQL, or document-oriented data management.
 * Knowledge of Domain-Driven Design (DDD) and scalable software design practices.
 * Experience with event sourcing patterns and distributed applications.
 * Familiarity with modern search and analytics technologies.
 * Microsoft Azure or DevOps certifications are considered a plus.

## Description

This role goes far beyond pure development. You'll influence architectural decisions, mentor developers, drive engineering excellence, and help shape the future of an AI-native software delivery environment where AI agents actively support coding, testing, and refactoring activities.
Senior Tech Lead | The Role

 * Design, build, and enhance scalable applications using .NET, C# and Microsoft Azure.
 * Transform business requirements into robust technical solutions, architectures, and implementation plans.
 * Establish and promote high engineering standards through code reviews, mentoring, and technical coaching.
 * Work alongside AI-powered development tools to accelerate delivery while ensuring the quality, security, and maintainability of the resulting software.
 * Drive architectural decisions and contribute to the evolution of cloud-native and event-driven systems.
 * Identify opportunities to improve development practices, platform performance, delivery processes, and technical solutions.