Technical Lead .NET 10 - Modernization & Hands-on Delivery

ITS Group Benelux; Brussel Hoofdstad; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Hospitalization insurance (partner/儿童含

Group insurance

Dental insurance (partner/children)

20 days statutory paid vacations

11 days recovery time work 38/40 per

Representation fee net per month.

Internet fee of € 40 per month.

Company car with national fuel card OR

Daily fee of 5.50€ net /day

Subscription GSM unlimited calls for

Training plan (e-learning - ITS charge

Job summary

ITS Group Benelux is seeking an experienced Technical Lead .NET to drive application modernization and migration for key public-sector clients. You will combine hands-on coding with architectural ownership, guiding a cross-functional team toward scalable, secure solutions using .NET Core and .NET 10.

You will mentor developers, ensure code quality, and translate business needs into robust designs while collaborating with analysts, portfolio architects and operations.

Qualifications

• Expertise in .NET development with leadership responsibilities.
• Strong hands-on C# and .NET Core experience.
• Experience with .NET 10 or newer versions.
• Expert knowledge of ASP.NET Web API and REST/Swagger.
• Secure development practices and OWASP awareness.

Responsibilities

• Provide technical leadership and mentoring to the development team.
• Remain hands-on with coding, feature development and bug resolution.
• Own the technical direction of the application's architecture.
• Design scalable, secure, maintainable solutions and modernize existing apps.
• Coordinate with analysts, developers, and Project Lead.

Skills

Expert .NET

C# & .NET Core

REST APIs

JWT/OAuth/OIDC

SQL Server

Git & Azure DevOps

Unit Testing

Secure coding

Design patterns

Performance tuning

Education

4+ years IT experience

Tools

ASP.NET Web API

Swagger/OpenAPI

.NET 10

Azure DevOps

Git

Job description

ITS Group Benelux is seeking an experienced Technical Lead .NET to drive application modernization and migration for key public-sector clients. You will combine hands-on coding with architectural ownership, guiding a cross-functional team toward scalable, secure solutions using .NET Core and .NET 10.

You will mentor developers, ensure code quality, and translate business needs into robust designs while collaborating with analysts, portfolio architects and operations.