Senior ERP Backend Engineer -
Microsoft Dynamics 365 Finance & Supply Chain Management / ERP Platform
- Role Purpose

The Senior ERP Backend Engineer will design, build, extend, integrate, and support backend components for the Microsoft Dynamics 365 Finance & Supply Chain Management ERP platform. The role requires hands-on engineering capability in X++, extension-based customization, ERP integrations, reporting, performance optimization, and application lifecycle management. The position is intended for a developer who can translate functional requirements into reliable technical solutions while protecting upgradeability, stability, security, and maintainability of the ERP template.

Core expectation:
This is not a generic backend developer role. The successful candidate must be a Dynamics 365 ERP technical specialist who can build APIs, reports, integrations, extensions, and performance-safe customizations within Microsoft ERP best practices.
- Key Responsibilities

2.1 ERP Backend Development & Extensions




- Design and develop Dynamics 365 FSCM extensions using X++ and standard extension patterns; avoid overlayering unless explicitly justified and approved.
- Customize forms, tables, data entities, classes, workflows, business events, batch jobs, and extensions to meet approved business requirements.
- Develop clean, reusable, testable code that follows naming conventions, version control discipline, and Microsoft development standards.
- Prepare technical specifications from functional designs and document assumptions, dependencies, risks, and deployment steps.

2.2 API, Integration & Interface Development
- Design, build, and maintain integrations using OData, REST APIs, Data Management Framework entities, business events, custom services, and batch-based integration patterns.
- Support Dual-write / Dataverse integration where required, including mapping awareness, error monitoring, and coordination with Power Platform or CRM teams.
- Integrate ERP with middlewa

📌 Senior ERP Backend Engineer (Barcelona)
🏢 B. Braun Group
📍 Barcelona