& Web Development Expert LAV000634

Location: Brussels Belgium
Work Model: Hybrid
Contract Duration: June 2026 January 2027
Employment Type: Contract (Full-Time)
Language Requirement: Dutch (CEFR Level C2)

We are seeking a highly experienced & Web Development Expert to join a GIS-focused development team within a large public-sector organization in Belgium.

In this role you will contribute to the design development and maintenance of business-critical web applications that support agricultural policy and geographic information processes. Many of these applications incorporate advanced GIS functionality and are used to support decision-making mapping land management and regulatory activities.

You will play a key role in delivering high-quality technical solutions translating functional requirements into scalable architectures and sharing technical expertise with fellow developers.

• Design develop and maintain enterprise web applications using modern Microsoft technologies.
• Contribute to the development of new functionalities and enhancements for existing systems.
• Translate functional specifications into technical designs and implementation plans.
• Develop robust maintainable and scalable solutions following best practices and design patterns.
• Participate in code reviews and ensure adherence to development standards.

• Develop and maintain applications containing GIS and mapping functionality.
• Work with spatial data geographic information systems and mapping frameworks.
• Support applications used for land management environmental analysis planning and policy support.
• Integrate GIS components into modern web applications.

• Design and optimize database queries and data access layers.
• Work with Oracle Oracle Spatial SQL Server and Entity Framework.
• Develop and maintain APIs and service-oriented integrations using Web API and WCF.
• Ensure efficient and secure handling of business and geographic data.

• Work closely with project leaders analysts and development teams.
• Share expertise and mentor team members web technologies and development best practices.
• Promote open communication transparency and collaboration within the team.
• Support Agile delivery processes and continuous improvement initiatives.

• Minimum 10 years of professional experience (C#).
• Minimum 8 years of experience working with enterprise software development technologies.
• Strong experience with:
  • .NET 6 Framework
  • Entity Framework / Entity Framework Core
  • Web API
  • WCF
  • C#
  • Design Patterns
• Professional experience with:
  • TypeScript
  • Angular 18
  • Browser-side JavaScript development
  • OpenLayers
• Strong knowledge of:
  • GIS systems
  • Oracle SQL and PL/SQL
  • SQL Server
  • Oracle Spatial
• Fluent Dutch communication skills (CEFR Level C2).

• Knowledge of:
  • Python
  • CSS
  • Bootstrap
  • Git source control
  • Scrum methodology
• Experience working in Agile software development environments.
• Strong debugging troubleshooting and performance optimization skills.

• Bachelors or Masters degree in Information Technology Computer Science Engineering or a related discipline.
• Equivalent professional experience will also be considered.

You are a senior software engineer with deep expertise in Microsoft technologies and modern web development. You enjoy solving complex technical challenges working with geographic information systems and contributing to applications that have a direct impact on public services.

You combine strong technical skills with excellent communication abilities and enjoy collaborating within multidisciplinary teams while mentoring colleagues and promoting development best practices.

• Start Date: June 2026
• End Date: January 2027
• Workload: Full-Time
• Industry: Public Sector / GIS / Digital Transformation
• Work Arrangement: Hybrid

This assignment offers the opportunity to work on innovative GIS-enabled applications that support critical agricultural and policy processes. You will be part of a skilled development team delivering impactful digital solutions while working with modern technologies and large-scale datasets.

If you are an Developer with strong GIS expertise modern web development skills and a passion for building enterprise applications we would love to hear from you.

Apply directly via LinkedIn or submit your updated CV for consideration.