Join a multidisciplinary digital team building and maintaining GIS-driven web applications that support key environmental, agricultural, and spatial programs.
As a
Senior .NET \& Web Development Expert
, you’ll help design and develop high-quality applications that combine geospatial data with intuitive web interfaces used by professionals across multiple departments.
This role offers both technical depth and societal impact; ideal for experienced developers who thrive in complex environments and value precision, collaboration, and clean architecture.
Your Role
You develop and maintain internal and external web applications with .NET, C#, and Angular (most with integrated GIS components).
You translate functional specifications into robust technical designs and implement new or improved features.
You maximize application quality, stability, and maintainability through best practices and design patterns.
You collaborate with the GIS team on data visualization, spatial logic, and performance optimization.
You share your expertise in .NET and web technologies within the team and mentor other developers.
You work transparently and communicate clearly with colleagues and the project lead.
What are we looking for?
Must-Have Skills
10+ years
of full-time professional experience in
.NET (C#)
.
Hands-on experience with
.NET 6+
and the
.NET Framework
.
Strong knowledge of
WCF
and
ASP.NET Web API
.
Proficiency in
Entity Framework (Core)
.
Advanced front-end experience with
Angular 18+
,
TypeScript
, and browser-side
JavaScript
development.
Proven experience with
OpenLayers
or similar
GIS visualization frameworks
.
Strong understanding of
GIS systems
and spatial data concepts.
Proficiency in
Oracle (SQL, PL/SQL)
and
SQL Server
.
Familiarity with
Oracle Spatial
.
Solid grasp of
software design patterns
.
Language requirement:
Dutch (C2)
mandatory;
English (B2)
for documentation and technical collaboration.
Nice-to-Have Skills
Knowledge of
Python
,
CSS
, and
Bootstrap
.
Experience with
Git
for source control.
Familiarity with
Scrum
or other Agile methods.
Degree in Computer Science, Engineering, or equivalent experience.
What do we offer?
Location: Brussels (hybrid)
Contract: Freelance or Permanent
Start date: ASAP
Duration: 6 months