Senior X++ Developer (Dynamics 365 F&O)
Offer summary

(Summary generated by AI based on the full job description)

The project involves a payroll system for large Belgian organizations based on Microsoft Dynamics 365 F&O. Key technologies include X++, Visual Studio, Azure DevOps, LCS, MS SQL. Responsibilities cover designing and building new features and APIs, maintaining the X-Tend add-on, fixing bugs, and working with analysts and stakeholders to deliver effective solutions.

Senior X++ Developer (Dynamics 365 F&O)

Company: SD Worx

from: 27 August 2026
to: 26 September 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:senior
working mode:full office
location:Katowice, Silesian
Katowice, Silesian

Requirements

Expected technologies

X++
C#

Our requirements

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, 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, Dataverse
  • Build pipeline experience in Azure DevOps
  • Who you are?
    You’re someone who:
  • Has a hunger to learn — fast, often, gladly.
  • Takes ownership — “not my problem” isn’t in your vocabulary.
  • Communicates clearly and isn’t afraid to speak up.
  • Enjoys feedback (giving and receiving).
  • Has the curiosity to explore and the discipline to finish.
  • Your responsibilities

    About the role:
    Join our Implementation Team team building SD Worx’s top‑tier payroll solution for large Belgian organizations—powered by Microsoft Dynamics 365 F&O.
    You’ll help drive the product forward, experiment with new ideas, and explore fresh tech. Think of it as crafting clean code with a side of innovation.
    Which tasks can you expect?
  • Become a true expert in our application — you’ll dive in, dissect it, understand it, feel it.
  • Design and build new features and APIs in X++
  • Enhance and maintain our D365FO add‑on “X‑Tend”
  • Develop and ship clean updates, fixes, and improvements.
  • Hunt down bugs and unravel the kind of issues that make others sigh loudly.
  • Work with analysts, the PM and stakeholders to turn needs into sharp, workable solutions.
  • Help build a squad that works autonomously, makes bold decisions, and consistently delivers value.
  • Company

    What we offer

    • Stable employment conditions: permanent employment contract (after a 3-month probation period)
    • Flexible working hours and remote work opportunities
    • Private medical care (LuxMed)
    • Cafeteria system / Sports card
    • Lunch card (Edenred)
    • Financial allowance for remote work
    • Loans for employees
    • Workation: possibility to work from any SD Worx location (4 weeks per year, EU only)
    • Life insurance
    • Holiday allowance
    • Free language courses (during your working hours)
    • Annual bonus
    • Integration events
    • Free parking spaces for employees
    • Referral program
    • PPK (Employee Capital Plans): 3.5% employer contribution
    • Learning opportunities: through an individual development plan and professional training
    • Career growth: whether you want to become more of an expert in your field or expand your knowledge horizontally, there’s always room to grow within SD Worx!

    Benefits

    • sharing the costs of sports activities
    • private medical care
    • sharing the costs of foreign language classes
    • life insurance
    • flexible working time
    • integration events
    • preferential loans
    • parking space for employees
    • meal passes
    • employee referral program
    • Workation
    • PPK (Employee Capital Plans)
    • Holiday allowance
    • Annual bonus
    • Financial allowance for remote work

    SD Worx

    At SD Worx Poland, we are focused on building capability and flexibility to meet the growth of the business whilst increasing the profitability across the organisation. We support SD Worx on most of the business areas such as HR, Finance, Marketing, Software Development, Testing, Implementation and Service Delivery. There are numerous opportunities at SD Worx Poland for people with the right blend of skills, experience and character! Are you ready to join us?
    Senior X++ Developer (Dynamics 365 F&O)
    I apply to:
    SD Worx
    Katowice, Silesian
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