Mendix Developer

Engineering International Belgium; Brussel; On-site; EUR 60,000 - 90,000; Full time

Job summary

Engineering International Belgium is seeking a Senior Mendix Developer to design, develop and maintain Mendix applications in Brussels. You will translate business requirements into domain models, microflows, pages, and security roles, and integrate with internal systems via APIs and connectors.

You will deliver at least two Mendix applications into production, work in Agile teams, and ensure security, accessibility (WCAG 2.1 AA), and robust deployment and maintenance practices.

Qualifications

• Must have at least 5 years of IT development experience, including 3 years with Mendix.
• Mendix Advanced Developer Certification mandatory.
• At least 2 Mendix applications delivered to production with enterprise integrations.
• Experience with Mendix 10 or later and on-premises or private cloud deployments.
• Familiarity with Scrum or Agile methodologies.
• English at C1 level.

Responsibilities

• Design, develop, and maintain Mendix applications.
• Translate business requirements into Mendix models, microflows, pages, and security roles.
• Integrate applications with internal and external systems via APIs and database connectors.
• Develop reusable modules, widgets, and components.
• Implement security best practices, role-based access control, and data protection.
• Ensure accessibility in line with WCAG 2.1 AA.
• Support testing, deployments, release management, and production maintenance.
• Collaborate with business analysts, UX/UI designers, testers, and project managers in Agile teams.

Skills

Agile methodologies

Team collaboration

English communication

Tools

Mendix Advanced Developer Certification

Mendix Expert Certification

Mendix platform

Job description

• Design, develop, and maintain applications using the Mendix low-code platform.
• Translate business requirements into Mendix applications, including domain models, microflows, pages, and security roles.
• Integrate applications with internal and external systems through APIs and database connectors.
• Develop reusable modules, widgets, and components.
• Implement security best practices, role-based access control, and data protection requirements.
• Ensure application accessibility in line with WCAG 2.1 AA standards.
• Support testing, deployments, release management, and production maintenance.
• Collaborate with business analysts, UX/UI designers, testers, and project managers in Agile teams.

Required Skills & Experience:

• Minimum 5 years of IT development experience, including at least 3 years working with Mendix.
• Mendix Advanced Developer Certification (mandatory).
• Experience delivering at least 2 Mendix applications into production, including enterprise system integrations.
• Experience with Mendix 10 or later.
• Experience with on-premises or private cloud deployments.
• Familiarity with Scrum or Agile methodologies.
• English at C1 level.

Nice to Have:

• Mendix Expert Certification.
• Experience working with EU institutions or public administration.
• Knowledge of Mendix AI capabilities, including GenAI connectors and Maia.