ERP Application Developer

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. This role supports our manufacturing division, Pennex, and requires eligibility to work in the United States without visa sponsorship.

About the role

As a hands-on Microsoft Dynamics 365 Finance & Supply Chain Developer, you will develop, maintain, troubleshoot, and deploy D365 extensions using X++. You will collaborate closely with business users, IT, and leadership to understand operational needs and deliver practical, reliable solutions.

Responsibilities

• Develop, maintain, troubleshoot, and support customizations and extensions in Microsoft D365 using X++.
• Design and implement D365 extensions using Microsoft-supported patterns, including extension-based development, event handlers, Chain of Command, forms, tables, classes, data entities, security, and integrations.
• Support the full SDLC: requirements gathering, technical design, development, unit testing, code review, documentation, deployment, production support, and continuous improvement.
• Manage and support D365 build, release, deployment, and environment management activities in coordination with IT and business stakeholders.
• Work closely with business users to understand manufacturing, finance, supply chain, inventory, purchasing, production, and related business processes.
• Translate functional requirements into technical solutions that are stable, supportable, and aligned with D365 best practices.
• Troubleshoot production issues, identify root causes, and implement durable fixes.
• Maintain existing D365 customizations and extensions written by internal or external developers.
• Assist with integrations between D365 and other enterprise systems, including APIs, data entities, batch jobs, file-based integrations, and reporting/data platforms.
• Create and maintain technical documentation, deployment notes, support documentation, and knowledge transfer materials.
• Participate in planning, prioritization, estimation, and communication for D365-related development work.
• Use modern development practices, including source control, branching, code review, testing, DevOps pipelines, and release management.
• Leverage AI tools responsibly to improve productivity, documentation, analysis, troubleshooting, and software development quality.
• Assist Business Analysts and Application Architects in updating documentation to reflect software applications as deployed to production.
• Perform other duties as assigned.

Requirements

• Bachelor’s degree (B.A.) from a four-year college or university in Engineering, Computer Science, or a similar field preferred; or equivalent combination of education and experience.
• Hands-on experience with X++ development in D365.
• Experience with D365 in a manufacturing environment (preferred).
• Experience with D365 build, deployment, environment management, and release processes.
• Current use of AI tools in a professional software development or technical delivery role.
• Experience using source control and modern development practices.
• Experience using Visual Studio.
• Experience with reporting or analytics related to D365, including Power BI, Electronic Reporting, SSRS, BYOD, Data Lake, Fabric, or similar platforms.
• Experience with MVC or MVP design pattern for web applications.

Skills

• Ability to identify pain points for end users or operations and solve system-related issues.
• Acts with integrity and as a trusted partner to IT and operations teams.
• Promotes teamwork and collaborates effectively with broader IT and operations teams.
• Provides a positive experience when interacting with stakeholders, end users, or team members; ensures communication is helpful and professional.
• Self-motivated to solve problems and improve MS D365 to meet business needs.
• Communicates effectively using verbal and written communication.
• Plans and organizes work; understands how to prioritize workload/projects.
• Adapts to different communication styles and circumstances.
• Understands change management principles.
• Applies common-sense understanding to carry out instructions furnished in written, oral, or diagram form.
• Deals with problems involving several concrete variables in standardized situations.
• Follows moderately complex business logic in developing solutions.
• Regular attendance is required.

Preferred Technical Skills

• Intermediate or better X++ skills.
• Experience with CodeX or Claude Code.
• Ability to manage each stage of D365 code change deployment.
• MSFT Power Platform skills.
• Ability to properly utilize source code control tools.
• Advanced T-SQL skills.
• Intermediate or better C# skills.
• Experience with reporting or analytics related to D365, including Power BI, Electronic Reporting, SSRS, BYOD, Data Lake, Fabric, or similar platforms.
• Intermediate or better JavaScript skills.
• Basic T-SQL skills.
• Familiarity with WCF (Windows Communication Foundation).
• Facility with Microsoft Outlook and Excel.

Benefits

• Medical, dental, and vision insurance.
• Disability and life insurance.
• 401(k) with matching contribution.
• Generous allotment of paid vacation and paid holidays.
• Enterprise-wide winter break between Christmas and New Year’s holidays.
• Competitive wages plus performance-based bonus opportunities.
• Ongoing training and professional development.
• Ample opportunity for career growth and advancement.
• Paid time off for all new parents.
• Hybrid work schedule consisting of 3 in-office days and 2 remote days per week.
• On-Demand pay via DailyPay.
• Robust recognition and reward program.
• Community Impact opportunities, including additional time off to volunteer and charitable match up to $250 per employee.
• Tuition reimbursement.
• Complimentary refreshment bar with beverages and snacks.
• Employee discount program with hundreds of partner brands.
• Wellness incentive program.
• Regular employee celebrations and events.

Pay

Salary range: USD $105,000.00 – $150,000.00 per year.

About Us

Celebrating 50 years in 2024, MX Holdings is a global leader in the purchasing, processing, and manufacturing of non-ferrous metals, primarily Aluminum. Our family of brands includes Metal Exchange and Pennex. We are guided by core values of safety, integrity, caring, and growth, and are committed to impacting our world positively through innovation, customer service, workplace respect, and community support.

We welcome people of different backgrounds, abilities, and perspectives and are proud to be an equal opportunity employer. Our culture is purpose-driven, friendly, open, and respectful, with highly engaged teams and leaders committed to building diverse and inclusive teams.