# Senior Mendix Developer 12 Months Contract

**Company:** [Belmont Lavan Ltd](http://jobs.workable.com/companies/6heGsPm3cuBbCjvDWApsdc.md)
**Location:** Amsterdam, Netherlands
**Workplace:** hybrid
**Employment type:** Contract

[Apply for this job](http://jobs.workable.com/view/bec30f2d-a7c9-49e3-8570-a0a37d98e7b5)

## Description

-   **Mendix Development:** 8–10 years of hands-on experience in Mendix application development, with a proven track record of delivering enterprise-grade Mendix solutions. Candidates must hold an **active Mendix Expert Certification**.
-   **Enterprise System Integration:** Strong experience designing, developing, and deploying Mendix applications integrated with **Siemens Teamcenter** or comparable enterprise platforms such as **PLM, ERP, or MES systems**. Hands-on experience with **Siemens Teamcenter PLM** is highly desirable.
-   **Application Architecture & Domain Modelling:** Expertise in designing **high-performance, normalized, and scalable Mendix domain models**, with a strong focus on data integrity, security, performance optimization, maintainability, and enterprise scalability.
-   **Security & Performance:** Strong understanding of Mendix security architecture, including role-based access, entity-level security, data access controls, and best practices for optimizing application and database performance.
-   **Automated Testing:** Hands-on experience implementing and maintaining **automated testing frameworks**, including Mendix Application Test Suite (ATS), unit testing, automated regression testing, and/or API testing.
-   **Deployment & Release Management:** Solid understanding of **CI/CD pipelines, deployment processes, environment management, version control, and release management** for Mendix applications. Experience deploying applications in **cloud-based and/or containerized Mendix hosting environments** is required.
-   **Cloud & Container Technologies:** Practical experience working with modern cloud or containerized environments and understanding the deployment, configuration, monitoring, and maintenance of enterprise Mendix applications.
-   **Agile Delivery:** Proven experience working within **Agile enterprise delivery frameworks**, collaborating effectively with cross-functional teams, product owners, architects, and business stakeholders. Experience working within **SAFe (Scaled Agile Framework)** environments is preferred.
-   **Enterprise Delivery Experience:** Strong communication, problem-solving, and stakeholder-management skills, with the ability to work independently on complex enterprise applications and contribute to technical design and delivery decisions.

## Requirements

8–10 years of hands-of Mendix application development, holding an active Mendix Expert Certification.

Proven track record of building and deploying Mendix applications integrated with Siemens Teamcenter or similar enterprise systems (PLM/ERP/MES). _Teamcenter PLM knowledge is a strong advantage._

Expertise in designing performant, normalized, and highly efficient domain models with a strong focus on data security , performance optimization,  and enterprise scalability.

Experience implementing automated testing frameworks (e.g., Mendix Application Test Suite / ATS, unit testing, or automated API testing).

Solid understanding of deployment pipelines, release management, in containerized/cloud Mendix hosting environments.

Practical experience working within Agile enterprise frameworks, preferably SAFe (Scaled Agile Framework).