[Hiring] Senior Technical Consultant @HSO Group B.V.

Role Description

We are looking for a highly skilled Senior X++ Developer to join our Managed Services team, supporting multiple global customers on Dynamics 365 Finance & Operations and AX 2012 platforms. This role is primarily development-focused (70%), involving X++ enhancements, extensions, performance tuning, and integrations, with 30% responsibility for L3 production support, incident resolution, and system stability. The ideal candidate brings strong hands-on X++ expertise, excellent debugging skills, and experience working in an AMS/Managed Services environment.

Key Responsibilities

• X++ Development & Enhancements (70%)
  • Design, develop, and deploy minor to medium enhancements, extensions, and customizations using X++.
  • Develop and enhance custom business logic, batch jobs, classes, tables, forms, and reports.
  • Optimize system performance by tuning queries, batch processes, data entities, and X++ code.
  • Develop and support SSRS reports, data entities, custom services, and APIs.
  • Work on integrations using REST, OData, DMF, Dual-write, and custom interfaces.
  • Participate in code reviews, ensure adherence to best practices, and maintain high-quality standards.
  • Support deployments using LCS and Azure DevOps, including build and release pipelines.
• Production Support & Incident Management (30%)
  • Provide L3 technical support for D365 F&O and AX 2012 environments.
  • Analyze, troubleshoot, and resolve production incidents, defects, and service requests within agreed SLAs.
  • Perform root cause analysis (RCA) and implement permanent fixes.
  • Collaborate closely with functional consultants and stakeholders to understand issues and deliver solutions.
  • Create and maintain technical documentation for fixes, enhancements, and deployments.
  • Proactively identify system risks and recommend improvements for stability and performance.

Qualifications

• 6–10 years of strong hands-on experience in X++ development for AX 2012 R3 and/or D365 F&O.
• Solid experience working in a Managed Services / AMS / Production Support environment.
• Strong expertise in extensions, customizations, SSRS reports, and data entities.
• Excellent debugging and troubleshooting skills, including performance optimization.
• Good understanding of integrations (REST, OData, DMF, Dual-write preferred).
• Hands-on experience with LCS, Azure DevOps, and deployment processes.
• Ability to work independently and manage multiple customer environments.
• Strong communication skills with experience working with global stakeholders.

Preferred Qualifications

• Microsoft certifications such as MB-500, MB-300, MB-920, PL-900, or equivalent.
• Exposure to Power Apps and Power Automate.
• Functional exposure to multiple modules such as Finance, SCM, Manufacturing, or HR.

Education

• Bachelor’s or Master’s degree in Computer Science, IT, Engineering, or equivalent.

Benefits

• Work with multiple global customers and diverse D365 F&O landscapes.
• Balanced role combining hands-on development and strategic support exposure.
• Long-term, stable engagement with continuous learning opportunities.
• Collaborative environment with experienced technical and functional experts.