ERP Application Developer

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

Overview

Consider joining the MX Holdings family as an ERP Application Developer in one of our company locations- St. Louis, MO, Leetonia, OH, or Wellsville, PA. The ERP Application Developer is a hands-on Microsoft Dynamics 365 Finance & Supply Chain Developer that supports our manufacturing division, Pennex.

This role will be responsible for developing, maintaining, troubleshooting, and deploying D365 extensions using X++, while working closely with business users, IT, and leadership to understand operational needs and deliver practical, reliable solutions.

A successful candidate will have proven, hands-on experience with D365 and X++ development, including extension-based development, build/deployment processes, and production support.

Responsibilities

Essential Duties and 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.