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SD Worx is a leading European provider of Payroll & HR services with global reach. We have offices in Europe and Mauritius. Our goal? We bring people solutions to life and turn HR into a value source for our clients and their people.
Our people solutions span the entire employee journey, from salary payment to attracting, rewarding, and developing talent. Are you ready to join us?
About the role:
As a developer, you will be part of a team responsible for building and maintaining our existing payroll application for the Belgian market: LOS21. Your customers are the hundreds of internal users of this application, and you play an essential role in improving their experience. Together with your colleagues, you improve the customer experience every day by following up on new legislation, and simplifying their processes. After all, LOS21 wants to be an efficient and effective help in internal payroll processing.
What do we have to offer?
What do you have to offer?
We are looking for dynamic people with an agile mindset. If you thrive in a collaborative environment where continuous learning and value delivery are key, we want to hear from you! We value people who dare to speak up, dare to ask and give feedback and value transparency.
From many places, we work as one, moving from better to best together.
SD Worx embraces diversity in the workplace. Diversity brings inspiration and innovation to our company. We particularly welcome applications from qualified talent, regardless of origin, nationality, gender, skin color, ethnic and social background, religion, age, disability, sexual orientation, or stage of life.
Our people solutions span the entire employee journey, from salary payment to attracting, rewarding, and developing talent. Are you ready to join us?
About the role:
As a developer, you will be part of a team responsible for building and maintaining our existing payroll application for the Belgian market: LOS21. Your customers are the hundreds of internal users of this application, and you play an essential role in improving their experience. Together with your colleagues, you improve the customer experience every day by following up on new legislation, and simplifying their processes. After all, LOS21 wants to be an efficient and effective help in internal payroll processing.
What do we have to 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!
- Willing to work on legacy applications.
- Cooperate closely with the team to understand requirements.
- Contribute during all phases of product lifecycle, from ideation and development to maintenance.
- Capable of devising solutions that are both functionally effective and technically robust.
- Troubleshooting, debugging, fixing and implementing.
- Participate in code reviews and knowledge sharing within the team.
- Willing to give third line support to end users.
- Able to work independently and proactively find solutions.
- Can handle periods of intensive workload smoothly.
- Collaborate with support departments of servers, network, ...
What do you have to offer?
- We expect proven experience with:
- Knowledge of Winforms
- At least 5 years of experience in .Net development in complex software environments
- Knowledge of .NET Framework
- Good knowledge of SQL
- Experience with version control systems like Git
- Experience with both front-end and back-end development
- Experience with Visual Studio
- Experience with using AI
- You hold a degree in IT or have proven skills worthy of the degree
- You're able to communicate and read English fluently
- Knowledge of DB2.
- Experience with NServiceBus
- Experience with Entity Framework
- Experience with Azure DevOps and CI/CD
- Experience with ASMX web services
- Experience working in Agile/Scrum teams is a plus.
We are looking for dynamic people with an agile mindset. If you thrive in a collaborative environment where continuous learning and value delivery are key, we want to hear from you! We value people who dare to speak up, dare to ask and give feedback and value transparency.
From many places, we work as one, moving from better to best together.
SD Worx embraces diversity in the workplace. Diversity brings inspiration and innovation to our company. We particularly welcome applications from qualified talent, regardless of origin, nationality, gender, skin color, ethnic and social background, religion, age, disability, sexual orientation, or stage of life.
Key Skills
Ranked by relevance
payroll
product owner
devops
scrum
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- Posted
- Apr 13, 2026
- Type
- Full-time
- Level
- Not Applicable
- Location
- Katowice
- Company
- SD Worx
Industries
Human Resources Services
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Senior Full Stack Engineer - EMEA
2026-05-21
Full-time
Mid-Senior
Ukraine
Human Resources Services
Engineering
View Job Details
Related
Senior Backend Engineer (Elixir)
2026-05-26
Full-time
Not Applicable
Slovenia
Human Resources Services
Engineering
View Job Details
Related
AI Python Developer
2026-05-26
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