Dynamics 365 ERP Developer — X++ Extensions

UNAVAILABLE; Maryland Heights (MO); On-site; USD 110,000 - 150,000; Full time

Job summary

MX Holdings is seeking an ERP Application Developer to work on Microsoft Dynamics 365 Finance & Supply Chain extensions. The role focuses on X++ development, extension-based patterns, and production support for our manufacturing division.

Location options include St. Louis, MO, Leetonia, OH, or Wellsville, PA, with close collaboration to IT and business units to deliver practical, reliable solutions.

Qualifications

• Hands-on experience with Microsoft D365 Finance & Supply Chain
• Proficient in X++ development and extension-based patterns
• Experience with build/deploy processes and production support
• Understanding of SDLC from requirements to deployment

Responsibilities

• Develops, maintains, troubleshoots, and supports D365 customizations and extensions using X++
• Designs D365 extensions with patterns including extension-based development, event handlers, and Chain of Command
• Supports the full SDLC: requirements, design, development, testing, deployment, and improvement
• Manages D365 build, release, deployment, and environment management with IT and stakeholders
• Collaborates with business users to understand manufacturing, finance, supply chain, inventory, purchasing, production processes
• Translates functional needs into stable, supportable technical solutions
• Troubleshoots production issues, identifies root causes, and implements durable fixes
• Maintains existing D365 customizations and extensions created by others

Skills

D365 development

X++ programming

Extension-based development

SDLC familiarity

Event handlers/Chain of Command

Integrations

Production support

Job description

MX Holdings is seeking an ERP Application Developer to work on Microsoft Dynamics 365 Finance & Supply Chain extensions. The role focuses on X++ development, extension-based patterns, and production support for our manufacturing division.

Location options include St. Louis, MO, Leetonia, OH, or Wellsville, PA, with close collaboration to IT and business units to deliver practical, reliable solutions.