Senior Mendix Developer & Technical Lead

CGI Nederland; Randstad; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Immediate permanent contract

Part-time possibilities

CGI shareholder

Job summary

CGI Nederland is seeking a Mendix Senior Developer / Technical Lead in the Randstad region to drive the technical delivery of Mendix solutions. You will lead development teams, shape architecture, ensure best practices, and partner with stakeholders to deliver scalable, maintainable applications.

The role emphasizes hands-on delivery, code reviews, performance optimization, and governance, with opportunities to mentor junior staff and contribute to solution design across projects.

Qualifications

• 5+ years Mendix development experience.
• Experience leading development teams or acting as a technical lead.
• Mendix Advanced and/or Expert Certification preferred.
• Good command of Dutch, written and spoken.
• Demonstrable work experience with databases.

Responsibilities

• Provide technical leadership and mentorship to junior and medior developers.
• Drive adoption of Mendix best practices across the team.
• Review solution designs, integrations, security configurations, and data models.
• Lead performance optimization initiatives.
• Collaborate with Product Owners, Business Analysts, Architects, and Operations teams.

Skills

Mendix development

Technical leadership

Solution architecture

Team mentoring

CI/CD & monitoring

REST/SOAP integrations

Education

Technical HBO/WO education

Tools

Robot framework

Playwright

Mendix unit testing

Databases

Job description

CGI Nederland is seeking a Mendix Senior Developer / Technical Lead in the Randstad region to drive the technical delivery of Mendix solutions. You will lead development teams, shape architecture, ensure best practices, and partner with stakeholders to deliver scalable, maintainable applications.

The role emphasizes hands-on delivery, code reviews, performance optimization, and governance, with opportunities to mentor junior staff and contribute to solution design across projects.