C++ Developer
At SD Worx, we are looking for energetic people to join our team. With us, you get the chance to showcase your talents and grow like never before! Ready, set, apply!
We usually respond within a week
About SD Worx
SD Worx is a leading European provider of Payroll & HR services with global reach. We have offices across Europe and in Mauritius. Our purpose is to bring people solutions to life, enabling organisations of all sizes to turn Human Resources into a source of value for both the business and its people.
Our people solutions cover the entire employee journey – from getting people paid to attracting, rewarding and developing talent.
About the role:
Are you a C++ developer who gets genuinely excited when someone mentions stuff like “Btrieve” in 2025?
Then we're inviting you to strengthen our eBlox payroll team - the powerhouse behind Belgium's most popular payroll solution for mid-to-large organizations.
eBlox is a user-facing application, used by payroll professionals to manage their payroll processes.
We process over 500,000 payslips monthly, which means your code directly impacts half a million Belgian workers getting paid correctly and on time. No pressure! 😉
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!
Which tasks can you expect?
Enhance, maintain and refactor our legendary C++ system: Work with a mature, battle-tested codebase that's been processing millions of payslips reliably for years
Master our specialized technologies: You'll work with our optimized Btrieve databases and proven MFC interfaces that deliver durable performance for high-volume payroll processing
Contribute across the full product lifecycle: From brilliant ideas to production deployment and ongoing optimizations
Bridge business and tech: Work with our business experts to translate complex Belgian payroll requirements into elegant technical solutions
Troubleshoot like a detective: Debug code that spans decades of development decisions (no direct customer contact required)
While our performance-optimized backend continues delivering rock-solid reliability, we're steadily modernizing our solution. We've already virtualized the GUI layer, giving users sleek web interfaces.
Now we're actively refactoring the backend - this is where you come in to help us modernize the core while preserving everything that makes it so dependable.
Essential Experience
2-3 years of C++ development in complex software environments
Knowledge of libraries and frameworks such as STL, Boost, MFC
Experience with document and relational databases like Btrieve and MS SQL
Degree in IT or equivalent battle scars from the software trenches
Bonus Points
If you've survived legacy modernization projects
Familiarity with TDD, CI/CD (Azure DevOps, Jenkins, etc.) and Windows profiling tools like VTune
Visual Studio mastery - Our primary IDE
Python scripting - Automation is your friend
Payroll domain knowledge - Understanding why Belgian tax calculations are... Special
We want someone with a "Can Do!" attitude who can
Self-educate and adapt: Our codebase will teach you things they don't cover in university
Work autonomously: You'll own your problems and solutions
Communicate clearly: You'll be our beacon of trust in a complex and technical domain and explain technical decisions and report on progress to your team mates, your product owner and yes, also management
Collaborate internationally: Our team spans Belgium (Antwerp) and Poland (Katowice), English is our lingua franca
Embrace the agile mindset: Continuous learning, transparent feedback, and value delivery
Salary range information will be shared with candidates during the initial interaction with the Talent Acquisition team, either by phone or email.
Why Join SD Worx?
Flexible working: Flexible working hours and remote/hybrid working options – working arrangements are open for discussion
Learning & development: Access to professional training and an individual development plan
Career growth: Whether you want to deepen your expertise or broaden your career, there is room to grow within SD Worx
Collaborative culture: From many locations, we work as one – moving from better to best together
SD Worx values diversity and inclusion in the workplace. We welcome applications from all qualified candidates regardless of origin, nationality, gender, gender identity, sexual orientation, age, disability, religion, ethnic or social background, or stage of life.
All hiring decisions are made based on skills, experience and role‑related qualifications.
- Team
- IT & Technology
- Role
- IT & Technology (Products)
- Locations
- Katowice
- Remote status
- Hybrid