Expert Developer Certification

Prove your ability to deliver Mendix applications to your customers

Certified Mendix Expert Developers have proven capabilities in taking the lead when delivering Mendix applications to their customers.

To become a certified Expert Developer, you need to complete the requirements listed below. Then you can start your application for this certification, which will evaluate your ability to successfully use your Mendix skills and knowledge to lead teams in delivering applications to our customers.

The Rapid Developer certification proves your Mendix knowledge, and the Advanced Developer certification proves your Mendix skills. The Expert Developer certification should test more than just knowledge and skills, but what lies beyond knowledge and skills? We believe that is expertise and experience.


Before your application for the Expert Certification can be accepted, you must complete the following requirements:

  • Hold an Advanced Developer certificate
  • Have worked on at least three successful projects as a Lead Developer

    • Projects size > 100 development days
    • At least 1 integration
    • Status: running in production
  • Have at least 2,500 Mendix Community points, with at least 1250 in the platform category (the level of points will be reevaluated each year)

Certification Path

Mendix Certification Path

Submit your application

After you have completed the requirements, you can submit your Expert Developer certification application. The application should be submitted via this form, and the following information must be included:

  • Advanced Developer certificate number
  • Number of years of Mendix experience
  • Description of a project for at least one successfully delivered app (for details, see Project description guidelines)
  • Your Mendix portfolio (for details, see Portfolio guidelines)
  • Two customer references about the project and your performance (for details, see Reference guidelines)
  • Your motivation for why you think you are an Expert Developer
  • Your answer to this question: What is the best feature Mendix has released and why?

After receiving your application, Mendix will evaluate your completion of the requirements, your motivation, the project description, the customer references, and your Mendix portfolio. You will then be contacted to schedule an interview for verifying your expertise and experience as presented in your application.

Certificate assignment

Upon a positive evaluation and interview, the Mendix Academy will assign you the Expert Developer certificate.


Project description guidelines

The project description must be delivered in a separate Word document. The following details should be included: Download format

  • Project name
  • Project duration
  • Team members and their roles
  • Business case
    • Process covered
    • Impact for the customer
  • Technical application description
  • Project
    • General approach
    • Your role as a lead developer
    • A description of the challenges you faced during the project, how you approached these challenges, and how you resolved them

Portfolio guidelines

The portfolio must be delivered in a separate Word document. The following details should be included: Download format

  • Employer name
  • Project/application name
  • Customer name
  • Your project role
  • Duration
  • Short description of the project

Customer reference guidelines

The customer references must describe how you acted in certain situations and answer the questions as described in the form: Download format

  • Submitter should have acted in the role of Product owner, Architect, stakeholder, etc. – cannot be a direct colleague
  • Relevance criteria – The reference must be related to projects where you acted as Lead Developer