Mendix Application Developer

Finance / Business Intelligence
· Allen, TX Onsite
· Full-time

Reports To: Business Intelligence Manager

Salary Range: $95,000 - $115,000

Amphenol Fiber Systems International (AFSI), based in Allen, Texas, is a leading manufacturer of harsh-environment fiber optic connectivity products serving the military, telecommunications, and industrial markets worldwide. Since 1993, AFSI has built a reputation for delivering reliable, high-performance fiber optic systems engineered to operate in the toughest conditions.

Our mission is to be the world’s most advanced harsh environment fiber optic company by building a culture where curiosity is core, teamwork is fostered, continuous improvement is routine, and attention to detail defines our success.

Amphenol Fiber Systems is seeking a Mendix Application Developer to design, develop, maintain, and enhance custom enterprise applications supporting our manufacturing and business operations.

This position will focus primarily on the Mendix low-code development platform, with additional responsibilities involving Microsoft SQL Server, database integration, business process automation, and ERP systems.

The developer will work closely with internal departments to translate operational requirements into practical, reliable software solutions that improve efficiency, data accessibility, process visibility, and accountability.

This is a hands‑on application development position involving both front‑end application development and back‑end database programming. The individual will help expand our existing application environment while developing new solutions that integrate with our manufacturing ERP system and SQL Server data warehouse.

1. Mendix Application Development

• Design, develop, test, deploy, and maintain enterprise applications using Mendix Studio Pro.
• Develop application pages, domain models, microflows, nanoflows, business logic, and workflows.
• Create user‑friendly interfaces, including interactive data grids, forms, and document‑management features.
• Implement role‑based security, user permissions, input validation, and business rules.
• Troubleshoot application issues, optimize performance, and maintain existing production applications.
• Enhance existing systems based on employee feedback, changing business requirements, and operational needs.

2. SQL Server Development & Database Integration

• Develop and maintain Microsoft SQL Server queries, stored procedures, views, and database objects.
• Design relational database structures and manage relationships between application and ERP data.
• Develop efficient SQL solutions to retrieve, transform, validate, and process business information.
• Optimize database performance through query improvements, indexing, and efficient data‑processing techniques.
• Integrate Mendix applications with SQL Server databases and enterprise data sources.
• Support data synchronization between our ERP system, SQL Server data warehouse, and Mendix applications.
• Investigate and resolve data integrity, synchronization, and performance issues.

3. Business Process Automation & ERP Integration

• Develop applications that automate internal manufacturing and administrative processes.
• Support workflows involving customer service, engineering, production, planning, procurement, inventory, and quality.
• Develop solutions that utilize data originating from our EvoERP manufacturing system.
• Automate repetitive processes, approval workflows, task assignments, and operational notifications.
• Build tools for tracking work progress, identifying bottlenecks, and improving process accountability.
• Support modernization of existing manual, spreadsheet‑based, and disconnected…