Senior .NET/C# Software Engineer

About the role

Craftzing is looking for a senior .NET/C# software engineer to build and launch digital platforms. Someone who likes a complex challenge, talks to business about technical matters, can lead a development team and build custom solutions from scratch.

Key responsibilities

• Architect and build scalable, high‑performance .NET applications that stand up to real‑world load.
• Design and implement clean, modular and efficient software solutions.
• Take ownership of the robustness and architecture of the application, designing for scalability, security and performance from the start.
• Make and defend sound architecture decisions, and anticipate how systems need to scale.
• Collaborate with cross‑functional teams and clients in a hybrid work environment.
• Provide technical leadership and mentorship, and set the technical direction for the team.
• Work in an Agile/Scrum environment, ensuring timely and high‑quality deliveries.

Required profile

• Minimum 10 years of proven experience in a similar role.
• Expert in C# and the .NET ecosystem.
• Experience with Blazor.
• Hands‑on experience with CQRS for separating command and query responsibilities.
• Expert in system integration, connecting application components, APIs, and services.
• Experience building REST/GraphQL APIs and writing API middleware.
• Experience with Entity Framework, LINQ, and relational databases (Postgres/Azure SQL Server).
• Experience with Microsoft Azure (App Service, Functions, Service Bus).
• Experience with version control software.
• Experience incorporating AI‑tooling into workflows.
• Familiarity with Scrum and agile methodologies.
• Team player with good communication skills.
• Detail‑oriented with a focus on code quality and best practices.
• Proactive problem‑solving mindset.
• Passion for continuous learning and innovation.
• Fluent in English; Dutch is a plus.
• Located in Belgium.

Required skills

• C#
• .NET
• Blazor
• CQRS
• REST
• GraphQL
• API middleware
• Entity Framework
• LINQ
• PostgreSQL
• Azure SQL Server
• Microsoft Azure (App Service, Functions, Service Bus)
• Version control (Git)
• AI tooling
• TypeScript
• Node.js
• NestJS
• Express
• Fastify