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August 14, 2026
Senior X++ Developer (Dynamics 365 F&O)
Senior • Remote
Katowice, SL, Poland
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About the role
Join the Implementation Team building a payroll solution for large Belgian organizations, powered by Microsoft Dynamics 365 F&O. Help drive the product forward, experiment with new ideas, and explore new technology while crafting clean code.
What do we have to offer?
- Permanent employment contract after a 3-month probation period
- Flexible working hours and remote-work opportunities
- Private medical care
- Cafeteria system / sports card
- Lunch card
- Financial allowance for remote work
- Employee loans
- Workation: work from any company location for up to 4 weeks per year within the EU
- Life insurance
- Holiday allowance
- Free language courses during working hours
- Annual bonus
- Integration events
- Free employee parking
- Referral program
- Employee Capital Plans: 3.5% employer contribution
- Learning opportunities through an individual development plan and professional training
- Career-growth opportunities, either through specialization or broader knowledge development
Which tasks can you expect?
- Become an expert in the application
- Design and build new features and APIs in X++
- Enhance and maintain the D365FO add-on, X-Tend
- Develop and deliver updates, fixes, and improvements
- Investigate and resolve bugs and complex issues
- Work with analysts, the project manager, and stakeholders to translate needs into workable solutions
- Help build an autonomous squad that makes decisions and consistently delivers value
What do you have to offer?
Must-haves:
- Strong experience with Dynamics 365 FinOps
- Hands-on mastery of X++
- Comfortable with Visual Studio, Azure DevOps, LCS, and MS SQL
- Fluent English
Bonus points:
- Dynamics AX2009
- C# experience
- ATL-based automated testing
- Power Platform (Apps, BI, Automate) embedded in FinOps
- Azure SQL, Data Lake, and Dataverse
- Build-pipeline experience in Azure DevOps
Who you are
- Eager to learn
- Takes ownership
- Communicates clearly and speaks up
- Comfortable giving and receiving feedback
- Curious, disciplined, and able to finish work
Who you’ll work with
Work in an international squad of developers, functional analysts, testers, project managers, and a service/business manager.
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