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Senior Software Engineer – Backend / Fullstack (d/f/m)

Personio
London, GBR
Full-time
Mid-Senior
Onsite
Discovered 3 weeks ago
Software engineeringBackend developmentFullstack developmentJavaKotlinScalable systems

Full Job Posting

About Personio

Personio builds an HR platform for small and medium-sized organizations.

The company says its products serve more than 15,000 customers and 1.5 million employees.

General Senior Software Engineer application

General application for Senior Software Engineers across Personio, with openings across multiple product areas and teams.

Potential product areas include payroll and fintech, time and attendance, core HR, workflow automation, integrations and platform services, and AI-powered experiences.

Candidates apply once and are matched to a team and problem space based on their experience, strengths, and interests.

What you will do

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

What Personio is looking for

  • Strong experience as a software engineer in production environments.
  • Backend skills in Java, Kotlin, or a similar language, and/or fullstack experience.
  • Experience building scalable, reliable systems.
  • Ability to navigate ambiguity, help define problems, and demonstrate ownership and accountability.
  • Clear communication and collaboration skills.
  • Hands-on AI workflow experience and sound judgment about when to use AI.

Nice to have

  • Depending on team, payroll, fintech, or regulated-domain experience is helpful.
  • Exposure to distributed systems or event-driven architectures is helpful.
  • Cloud platform experience, such as AWS, is helpful.
  • Interest or experience in AI-driven development workflows is helpful.

Locations and working model

  • The role may be based in Munich, Berlin, or London.
  • The posting describes a hybrid working model with two office days per week and 20 flex days to work from anywhere in Europe.

Benefits

  • Benefits include competitive salary and equity, 28 days of holiday increasing with tenure, and hybrid working.
  • The posting also lists 20 flex days to work from anywhere in Europe.

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