Dynamics 365 ERP Developer: Extensions & Manufacturing

MX Holdings; St. Louis (MO); On-site; USD 110,000 - 150,000; Full time

Job summary

MX Holdings is seeking an ERP Application Developer to join our manufacturing-focused IT team across St. Louis, MO; Leetonia, OH; or Wellsville, PA. You will implement and extend Microsoft Dynamics 365 Finance & Supply Chain modules using X++ to deliver reliable business solutions.

The role requires hands-on D365 development, extension-based approaches, event handlers, and close collaboration with business users, IT, and leadership to translate requirements into stable, scalable systems.

Qualifications

• Essential duties and responsibilities related to D365 development with X++.
• Experience designing and implementing D365 extensions using supported patterns.
• Familiarity with SDLC processes including requirements, design, development, testing, and deployment.
• Ability to coordinate build, release, deployment and environment management with IT and business stakeholders.
• Understanding manufacturing, finance, supply chain, and related business processes.
• Translate functional requirements into technical solutions aligned with D365 best practices.
• Troubleshoot production issues and implement durable fixes.
• Maintain existing D365 customizations and extensions.

Responsibilities

• Develops, maintains, troubleshoots, and supports customizations and extensions in Microsoft D365 using X++.
• Designs and implements D365 extensions using Microsoft-supported patterns, including extension-based development, event handlers, Chain of Command, forms, tables, classes, data entities, security, and integrations.
• Supports the full SDLC, including requirements gathering, technical design, development, unit testing, code review, documentation, deployment, production support, and continuous improvement.
• Manages and supports D365 build, release, deployment, and environment management activities in coordination with IT and business stakeholders.
• Worsk closely with business users to understand manufacturing, finance, supply chain, inventory, purchasing, production, and related business processes.
• Translates functional requirements into technical solutions that are stable, supportable, and aligned with D365 best practices.
• Troubleshoost production issues, identify root causes, and implement durable fixes.
• Maintains existing D365 customizations and extensions written by internal or external developers.

Job description

MX Holdings is seeking an ERP Application Developer to join our manufacturing-focused IT team across St. Louis, MO; Leetonia, OH; or Wellsville, PA. You will implement and extend Microsoft Dynamics 365 Finance & Supply Chain modules using X++ to deliver reliable business solutions.

The role requires hands-on D365 development, extension-based approaches, event handlers, and close collaboration with business users, IT, and leadership to translate requirements into stable, scalable systems.