Senior Software Engineer - Backend / Fullstack

We’re hiring multiple Senior Software Engineers across Personio. This is an opportunity for experienced engineers who want to work on meaningful, high-impact problems across a range of product areas. Depending on your experience and interests, you could join teams working on:

• Payroll & Fintech systems
• Time & Attendance
• Core HR platform
• Workflow automation
• Integrations & platform services
• AI-powered product experiences

All of these areas are critical to our mission of building the People Operating System for Europe, used by thousands of organisations to manage their people, payroll, and processes.

What You’ll Do

• Design, build, and scale backend or fullstack systems used by thousands of customers
• Own features end-to-end, from problem definition through to production
• Work on distributed systems where reliability, performance, and correctness matter
• Collaborate closely with Product, Design, and other engineering teams
• Contribute to architectural decisions and continuously improve our systems
• Help shape engineering best practices and raise the bar across teams

• Strong experience as a Software Engineer in production environments
• Solid backend skills (Java, Kotlin, or similar) and/or fullstack experience
• Experience building scalable, reliable systems
• Ability to navigate ambiguity and contribute to problem definition
• A strong sense of ownership and accountability
• Clear communication and collaboration skills, * Experience in payroll, fintech, or regulated domains
• Exposure to distributed systems or event-driven architectures
• Experience with cloud platforms (e.g. AWS)
• Interest or experience in AI-driven development workflows

• Competitive salary and equity
• 28 days holiday, increasing with tenure
• Hybrid working model (2 days per week in the office)
• 20 Flex Days to work from anywhere in Europe
• A strong engineering culture focused on ownership and impact