Senior Dotnet Developer

BIG WATER CONSULTING (BWC); Brussel Hoofdstad; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

BWC is seeking a Senior .NET Architect to drive the architectural vision for a Brussels-based client project. The role combines hands-on design with leadership across multiple development teams in a hybrid Belgian setup (50% onsite, 50% remote).

Required are strong English skills and proficiency in Dutch or French, at least 4 years in .NET architecture, and extensive experience with Blazor, SQL/MongoDB, Hangfire, RabbitMQ, and modern Kubernetes-based patterns.

Qualifications

• Minimum 4 years of experience as a .NET Architect.
• Proficient in C#.NET 10 and .NET 4.x.
• Strong knowledge of Blazor frontend technology.
• Experience with SQL and MongoDB.
• Familiarity with messaging and background job frameworks (Hangfire, RabbitMQ).
• Knowledge of Clean Architecture and modern microservices.
• Experience with NServiceBus and adoption of Dapr.

Responsibilities

• Lead the technical aspects of a portfolio across multiple domains.
• Support and guide the technical work of the portfolio and developers.
• Mentor and assist experienced developers with architectural designs.

Skills

English (mandatory)

Leadership

Architectural thinking

Scrum

Tools

C#.NET

NET Framework 4.x

Blazor

SQL

MongoDB

Hangfire

RabbitMQ

NServiceBus

Dapr

Kubernetes

Job description

BWC is looking for a Senior .NET Architect for its client in Brussels, Belgium. It's a full-time permanent contract with BWC. Freelance can also apply.

Job Type: Hybrid :- 50% Onsite + 50% Teleworking in Belgium (2days onsite).

• Language: English is mandatory, along with very good knowledge of Dutch or French.
• Experience: Minimum 4 years of experience as a .NET Architect.
• Experience with C#.NET 10 and .NET 4.x.
• Experience with Blazor as a frontend technology.
• Knowledge of SQL/MongoDB.
• Experience with Hangfire and RabbitMQ.
• Knowledge of Clean Architecture.
• Experience with NServiceBus and adoption of Dapr.
• Ability to lead the technical aspects of a portfolio across different domain areas.
• Ability to support and lead the technical aspects of the assigned portfolio.
• Ability to support experienced developers with technical issues and architectural designs.
• Experience integrating into an existing team to maintain and support applications.
• Ability to modernize applications and migrate services to .NET 10.
• Ability to adopt modern architecture targeting Kubernetes (K8s) within the coming two years.
• Experience leading Full Stack .NET developers working on microservices products.
• Experience coaching developer teams.
• Ability to act as a player in Scrum teams.
• Ability to lead multiple development teams and help coordinate work during sprints.
• Strong seniority in technical issue investigation and good analytical skills.
• Ability to provide a clear vision of the target architecture.
• Ability to challenge technical choices with other Tech Leads and developers.
• Ability to challenge features with the Product Owner.
• Ability to explain technical aspects to non-business people.
• Experience organizing collaborative technical sessions with developers and architects.
• Ability to handle priorities and emergencies efficiently.
• Structured approach to problem-solving.
• Interest in exploring new technologies and maintaining good technical awareness.