Senior Software Engineer - Payroll Foundation - Munich/London - (d/f/m)

Payroll Foundations Team Location: Munich (preferred) or London

At Personio, we’re on a mission to help millions of people have a better work life. Our People Operating System empowers organisations across Europe to manage HR, payroll, and employee experience in one place.

As a Senior Backend Engineer , you will join the Payroll Foundations team , the group responsible for the core systems that power Personio Payroll. These systems ensure employees are paid accurately, payroll processes run reliably, and critical payroll outputs such as payslips and reporting documents are generated at the right time.

You will work on the backend infrastructure that sits at the heart of payroll processing, solving complex problems around correctness, reliability, and performance at scale.

This role offers the opportunity to work on high-impact systems where quality, accuracy, and engineering excellence directly affect thousands of employees being paid correctly every month.

Build and maintain backend systems that power payroll processing pipelines

Design and improve services responsible for payroll calculations and processing workflows

Ensure payroll data is processed accurately and reliably across the platform

Work on systems responsible for generating payslips and payroll reporting outputs

Improve reliability, performance, and maintainability of payroll backend services

Collaborate with product managers and engineers across payroll teams

Contribute to technical decisions and architectural improvements within the payroll domain