D365 FO (AX) / .NET Developer, Software Engineer (D365 CoE) - m/f/d - Permanent or B2B

In a nutshell

The D365FO /.NET Developer, Software Engineer will be a member of Eurofins’ global D365 delivery team, contributing to the design, development, customization, integration, and performance optimization of solutions within the Microsoft Dynamics 365 Finance & Operations (D365FO/SCM) ecosystem. The role works closely with solution architects, technical leads, functional consultants, QA, data, and integration teams to deliver high-quality, scalable, high-performing, and compliant technical solutions aligned with the global D365 program roadmap.

How can you help us? 

This role is responsible for developing and maintaining D365FO customizations, extensions, and integrations, as well as supporting related .NET applications and services hosted on Microsoft Azure. The successful candidate will actively participate in design discussions, sprint execution, code reviews, testing, deployments, performance testing, and production support, ensuring solutions meet functional requirements, performance expectations, and Eurofins’ development standards.

As part of the D365 program, the D365FO /.NET Developer will collaborate with cross-functional IT teams and external implementation partners to ensure consistent technical implementation, strong system integration, and adherence to ALM, CI/CD, and SDLC best practices. A solid technical understanding of D365FO/SCM, X++, .NET, Azure services, Power Platform, SQL Server, and integration patterns is essential, along with hands-on experience delivering enterprise-scale solutions in complex, international environments.

Role Responsibilities and Objectives:

• Solution Development: Design, develop, and maintain D365FO extensions and customizations using X++, as well as supporting .NET-based components and services within the D365 ecosystem,
• Integrations & Interfaces: Develop and support integrations between D365FO and external systems using APIs, Azure integration services, data entities, and middleware platforms (eESB),
• Technical Design & Collaboration: Work closely with solution architects, technical leads, and functional consultants and business analysts to translate business requirements into robust technical designs and implementations,
• Code Quality & Best Practices: Ensure clean, efficient, and maintainable code following Microsoft and Eurofins development standards, including extensibility, performance, and security best practices,
• Performance & Scalability: Proactively identify, analyze, and resolve performance bottlenecks across D365FO layers (application, batch, integrations, database, SQL), ensuring scalable and responsive solutions,
• Testing & Quality Assurance: Support unit testing, integration testing, regression testing (RSAT or similar), performance testing (JMeter or similar), and bug fixing activities to ensure stable and reliable solutions across environments,
• ALM & CI/CD Participation: Actively contribute to Azure DevOps processes, including source control, build and release pipelines, code reviews, and deployment activities,
• Production Support & Optimization: Assist in Go-Live activities, hyper care, and ongoing production support, including issues troubleshooting, performance tuning, root cause analysis, and continuous optimization,
• Documentation & Knowledge Sharing: Maintain accurate technical documentation and actively share knowledge with team members to support long-term solution sustainability.

What can we do for you?

We are offering the following:

• A competitive salary package, including bonus and benefits
• Extensive on-the-job coaching and training opportunities
• Challenges within a multi-cultural and cross-regional team as part of the international and fast-growing Eurofins organization
• A dynamic working environment with a good team spirit where personal development and growth are highly encouraged.

Standard benefits for Permanent Employees:

• 13 monthly salaries per year (range 11500-13500 RON net / month)
• Meal Vouchers
• Gym Reimbursement
• Medical Subscription
• Health Insurance
• 25 days of holidays + 1 extra day off for your birthday
• Additional holidays for your loyalty
• Remote work activity in Romania.

B2B Invoicing Ranges:
55 000 - 65 000 EUR / year
240 - 280 EUR / day x 11 months