The Role
Design, develop, test, deploy, and support Dynamics 365 Finance & Operations customizations and integrations using X++. Work with business users to translate requirements into technical designs, manage ALM with Azure DevOps/LCS, support data migration, create reports, tune performance, and provide post-go-live support.
Summary Generated by Built In
Job Title: Dynamics 365 F&O Developer
(Finance & Operations — In-House Technical Role)
Reporting & Working Relationships
Reports to: IT / Applications Manager (or designated ERP Project Lead)
Position type: Full-time, internal (in-house) role
Works closely with: Finance and operations key users, functional consultants, the CRM developer, and the implementation partner.
Role Overview
As part of our client Microsoft Dynamics 365 program, the Finance & Operations (F&O) Developer will build the internal technical capability needed to support and extend the ERP platform. Working closely with key users across Finance, Supply Chain, Procurement, and Operations, this role translates business needs into clearly documented technical requirements and delivers the X++ customizations, extensions, reports, and integrations that support them.
This is a hands-on, in-house role with long-term ownership of the F&O solution — from requirements capture through development, testing, deployment, data migration support, and ongoing optimization.
Key Responsibilities
Requirements & Technical Design
• Work with key users and functional consultants to capture, analyze, and document technical requirements across Finance and Operations modules.
• Translate Functional Design Documents (FDDs) into Technical Design Documents (TDDs) with clear, maintainable solution designs.
• Advise on feasibility, effort, and best-practice approaches that respect the F&O extension model.
Development & Configuration
• Develop customizations and extensions using X++ following the extension framework (no overlayering).
• Build and modify tables, forms, data entities, workflows, and security objects (roles, duties, privileges).
• Develop SSRS reports and configure Electronic Reporting (ER/GER) where required.
• Create and maintain batch jobs and automated processes.
Integration & Data
• Build and maintain integrations using OData, custom services, the Data Management Framework (DMF), Logic Apps, and Azure Functions.
• Configure Dual-write integration with Dynamics 365 Customer Engagement.
• Support data migration activities using DMF and data packages.
Quality, Deployment & Support
• Manage ALM through Azure DevOps and Lifecycle Services (LCS): code branching, builds, and deployments.
• Conduct unit testing, support SIT and UAT, and troubleshoot and resolve defects.
• Carry out performance tuning and query optimization.
• Provide post-go-live support and continuous enhancements.
• Maintain accurate technical documentation and contribute to an internal knowledge base.
Requirements
Required Technical Skills
• Strong X++ development experience on Dynamics 365 Finance & Supply Chain (F&O).
• Solid command of the extension framework, Visual Studio development tools, and the F&O metadata model.
• Data entities, Data Management Framework (DMF), SSRS reporting, and Electronic Reporting (ER).
• Integration experience: OData, custom services, recurring integrations, Azure-based integrations, and Dual-write.
• Lifecycle Services (LCS) and Azure DevOps build/release pipelines with Git.
• Strong SQL skills and performance-tuning experience.
• Working understanding of F&O functional areas (GL, AP, AR, Inventory, Procurement, Production).
Qualifications & Certifications
• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field (a background in Finance/Accounting combined with IT is an advantage).
• 3–5+ years of hands-on Dynamics 365 F&O (or Dynamics AX) development across the full implementation lifecycle.
• Microsoft certifications strongly preferred: MB-500 (Dynamics 365 Finance & Operations Apps Developer) and/or MB-300 (Dynamics 365 Core Finance and Operations).
Preferred / Nice to Have
• Functional knowledge of finance and supply-chain business processes.
• Experience with data migration on large or multi-entity implementations.
• Exposure to Power Platform, Microsoft Fabric, or Azure data services.
Core Competencies & Soft Skills
• Strong requirements-elicitation skills — able to interview key users, ask the right questions, and convert business language into clear technical specifications.
• Excellent written documentation skills (technical design documents, configuration guides, test scripts).
• Analytical and structured problem-solving with attention to detail.
• Clear communicator able to work directly with non-technical business users and functional consultants.
• Self-driven, organized, and able to manage multiple work items against deadlines.
• Collaborative team player comfortable working with implementation partners and internal stakeholders.
Skills Required
- Strong X++ development experience on Dynamics 365 Finance & Supply Chain (F&O).
- Expertise with the extension framework, Visual Studio development tools, and the F&O metadata model.
- Experience with Data entities, Data Management Framework (DMF), SSRS reporting, and Electronic Reporting (ER).
- Integration experience using OData, custom services, recurring integrations, Azure-based integrations, and Dual-write.
- Experience with Lifecycle Services (LCS) and Azure DevOps build/release pipelines with Git.
- Strong SQL skills and performance-tuning experience.
- Working understanding of F&O functional areas (GL, AP, AR, Inventory, Procurement, Production).
- Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field.
- 3-5+ years of hands-on Dynamics 365 F&O (or Dynamics AX) development across the full implementation lifecycle.
- Microsoft certifications MB-500 and/or MB-300.
- Functional knowledge of finance and supply-chain business processes.
- Experience with data migration on large or multi-entity implementations.
- Exposure to Power Platform, Microsoft Fabric, or Azure data services.
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