Application Developer, Mendix Modernisering Legacy Applicatie

Rhox; Sint-Joost-ten-Node; On-site; EUR 70,000 - 100,000; Full time

Job summary

Rhox is seeking a senior Mendix developer to modernise an Adobe ColdFusion application on a low-code platform, using AI-assisted development and migration techniques. You will rebuild case management, data processing and reporting while preserving business logic.

You will analyse existing structures, develop user stories, extend AI components, build screens and integrations, and perform unit testing. Collaboration in a fast-paced Agile environment is essential.

Qualifications

• Senior Mendix development experience with complex business processes.
• Experience with AI-assisted development and Agile/Scrum.
• Mendix certification or equivalent experience.
• Knowledge of AI, code analysis or model-driven migration solutions.
• French, English and Dutch at B2 level is preferred.

Responsibilities

• Analyse existing source code, business logic and application structures.
• Develop user stories.
• Adapt and extend AI-generated components.
• Build screens, microflows and integrations.
• Perform unit testing.
• Deliver migration phases that can be used independently.

Skills

Mendix development

AI-assisted development

Agile/Scrum

AI/migration tooling

French B2

English B2

Dutch B2

Education

Mendix Intermediate Advanced Developer certification

Job description

We're looking for a senior Mendix developer to modernise an Adobe ColdFusion application on a low-code platform using AI-assisted development. You'll use automated migration techniques to rebuild case management, data processing and reporting while preserving and reusing existing business logic.

What you’ll do

• Analyse existing source code, business logic and application structures.
• Develop user stories.
• Adapt and extend AI-generated components.
• Build screens, microflows and integrations.
• Perform unit testing.
• Deliver migration phases that can be used independently.

What you bring

• Senior experience with Mendix development and complex business processes.
• Experience with AI-assisted development and Agile/Scrum.
• Mendix Intermediate Advanced Developer certification or higher, or equivalent experience.
• Knowledge of and access to AI, code analysis or model-driven migration solutions proven on completed or ongoing projects.
• French (B2).
• English (B2).
• Dutch (B2).