Senior X++ Developer (ERP)

TL;DR

Senior X++ Developer (ERP): Building and optimizing a top-tier payroll solution for large Belgian organizations using Microsoft Dynamics 365 F&O with an accent on X++ development and API integration. Focus on designing new features, enhancing the X-Tend add-on, and solving complex technical bugs.

Location: Hybrid (Poland)

Company

A leading European provider of Payroll & HR services with global reach.

What you will do

• Design and build new features and APIs in X++.
• Enhance and maintain the D365FO add-on “X-Tend”.
• Develop and ship clean updates, fixes, and improvements.
• Analyze and resolve complex technical bugs within the application.
• Collaborate with analysts, PMs, and stakeholders to turn needs into workable solutions.
• Contribute to the growth and autonomy of the development squad.

Requirements

• Strong experience with Dynamics 365 FinOps.
• Hands-on mastery of X++.
• Proficiency with Visual Studio, Azure DevOps, LCS, and MS SQL.
• Fluent English proficiency.

Nice to have

• Experience with Dynamics AX2009 or C#.
• Knowledge of ATL-based automated testing.
• Experience with Power Platform (Apps, BI, Automate) embedded in FinOps.
• Knowledge of Azure SQL, Data Lake, and Dataverse.
• Build pipeline experience in Azure DevOps.

Culture & Benefits

• Stable employment via a permanent contract after a 3-month probation period.
• Flexible working hours and remote work opportunities.
• Comprehensive health package including private medical care (LuxMed), cafeteria system, and sports card.
• Financial perks: Lunch cards (Edenred), annual bonus, and PPK employer contributions.
• Work-life balance: 4-week EU workation per year, holiday allowance, and life insurance.
• Professional growth: Individual development plans, professional training, and free language courses.