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 middleware and externa

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