About RMT Labs

RMT Labs SA is a Luxembourg-based research and technology company building the future of hiring in Europe. We operate two complementary brands: Talent Quanta, a profitable recruitment and ICT-consulting business serving clients across Europe since 2022, and Skillbourg, an AI-powered talent platform born from that real-world recruitment intelligence.

About the role

As a Fractional Payroll Specialist, you will support payroll for our teams in Luxembourg and Romania on a freelance (B2B) basis, 10 to 25 hours per week. You will make sure people are paid correctly and on time.

What you will do

• Prepare and check monthly payroll for Luxembourg and Romania

• Handle social security and tax declarations

• Keep payroll data and employee records accurate

• Answer employee questions about pay

• Work with our accountants and payroll providers

• Support year-end payroll tasks

What you bring

• 3+ years of experience in payroll

• Knowledge of Luxembourg and/or Romanian payroll rules

• Experience with payroll software

• Strong attention to detail and confidentiality

• Organised and reliable

• You work independently and are comfortable in a fractional, remote setup

Nice to have

• Experience with both Luxembourg and Romania

• Experience with cross-border employees

• Experience with HR systems

• An accounting background

Skills we're looking for

Technical skills

• Payroll
• Luxembourgish Accounting and Payroll
• Payroll Systems
• Tax Filings
• HRIS

Interpersonal skills

• Attention to Detail
• Professional Integrity
• Work Autonomy
• Accountability
• Written Communication