Microsoft D365 F&O Developer ER

About Decision Inc.

Decision Inc. is a global digital partner that enables businesses to reinvent themselves to realise their full potential. We deliver agility, resilience, and intelligence to any enterprise, enabling them to adapt quickly and thrive through innovation and opportunity. Our teams have engaged with more than 400 clients globally over the past 15 years, providing them with the expertise to build, operate, and optimise their digital businesses.

We leverage the world's best technology to drive our client's business ambitions forward into tomorrow's reality. These technologies include but are not limited to: Microsoft, SAP, Qlik, Snowflake, Alteryx, Automation Anywhere, and Workday Adaptive Insights.

Our success is ultimately driven by our entrepreneurial culture, industry exposure, and the passion of our people. We have three key cross-functional teams – Functional and Specialist Consulting, Development, and Engineering teams. Based in four global offices, our exceptional consultants focus on delivering value to clients by keeping them at the centre of our service delivery.

About the Role

We are looking for a skilled Microsoft Dynamics 365 Finance & Operations Developer with strong X++ and Electronic Reporting (ER) experience to join our team. This role will have a particular focus on Electronic Reporting and e-invoicing, supporting Business-as-Usual (BAU) tickets, issues, and regulatory requirements across multiple countries. The successful candidate will work closely with technical and functional teams to design, develop, troubleshoot, and maintain D365 F&O solutions, with a particular focus on Electronic Reporting and related e-invoicing requirements.

Responsibilities

Development & Customisation

• Design, develop, and customise Microsoft Dynamics 365 Finance & Operations solutions using X++, including forms, reports, classes, tables, batch jobs, and business logic.
• Translate functional and technical requirements into scalable, maintainable solutions using Azure DevOps for source control, branching, builds, pipelines, and deployments.

Electronic Reporting & E-Invoicing – Core Responsibility

• Design, configure, develop, maintain, and troubleshoot D365 F&O Electronic Reporting (ER) solutions.
• Support e-invoicing and country-specific regulatory reporting requirements across multiple jurisdictions.
• Manage BAU ER tickets and incidents, investigate root causes, and implement solutions within agreed SLAs.
• Support ongoing regulatory changes and contribute to strengthening the team's Electronic Reporting capability.

Integrations & Data

• Develop and maintain integrations between D365 F&O and other business systems using Azure Logic Apps, Azure Functions, and third-party tools.
• Support data migration, transformation, and synchronisation activities, with exposure to Dataverse, Dual-write, and SQL.

Code Quality & Support

• Review, optimise, maintain, and troubleshoot X++ code and existing customisations.
• Provide technical support to clients, resolve BAU issues, and ensure solutions meet agreed quality and SLA requirements.
• Conduct root-cause analysis and implement sustainable technical solutions.

Implementation & Project Delivery

• Participate in D365 F&O implementations, enhancements, fit-gap analysis, technical design, estimation, testing, and deployment.
• Work closely with functional consultants and business stakeholders to deliver effective technical solutions.

Client & Pre-Sales Support

• Provide technical input into client engagements, solution assessments, RFI/RFP/RFQ responses, Statements of Work, estimates, and proposals.
• Support technical demonstrations, prototypes, and solution recommendations where required.

Upgrades, Regulatory Change & Continuous Improvement

• Support D365 F&O upgrades, Microsoft releases, and regulatory changes impacting ER and e-invoicing.
• Stay current with D365 F&O, X++, Electronic Reporting, e-invoicing, and relevant technologies.
• Maintain technical documentation, accurately record project and billable activities, and contribute to team standards and knowledge sharing.
• Mentor team members and help build the organisation's Electronic Reporting expertise.

Requirements

Essential Experience

• Minimum 3 years of hands-on experience in X++ development within Microsoft Dynamics 365 Finance & Operations.
• Proven Electronic Reporting (ER) experience within D365 F&O.
• Practical experience developing, configuring, maintaining, and troubleshooting Electronic Reporting solutions.
• Experience supporting BAU Electronic Reporting tickets and technical issues.
• Strong proficiency in X++ and Visual Studio.
• Good understanding of SQL and D365 F&O data structures.
• Experience with Azure DevOps, including source control, branching, merging, builds, and CI/CD pipelines.
• Experience with Microsoft SSRS.

Advantageous Experience

• Experience working with electronic invoicing / e-invoicing solutions.
• Experience working with Electronic Reporting requirements across multiple countries or jurisdictions.
• Experience with integrations and technologies such as Azure Logic Apps and Azure Functions.
• Knowledge of Dataverse and Dual-write.
• Experience with full lifecycle D365 F&O implementations.