Senior Platform Engineer - Developer Experience (d/f/m)

personio

Munich🌐 Remote💼 Full-time🗓 2026-01-13 → 2026-07-31

Seniority

Senior

Domain

HR technology, Developer Experience

Required skills

Platform engineering, Backend development, JVM languages (Kotlin, Java, Scala), Modern engineering practices, Observability, Metrics-driven approach, Communication, Collaboration

Preferred skills

Developer tooling / Developer Experience initiatives, GraphQL (middleware or gateway layers), Gradle

Technologies

GraphQL, JVM (Kotlin, Java, Scala), Gradle

Responsibilities

Design and support platform solutions, Build and evolve GraphQL middleware layer, Create internal tools and libraries/SDKs, Establish standards and best practices, Analyze and optimize platform systems, Work with product teams, Document platform capabilities, Collaborate with cross-functional teams, Drive technical excellence, Take ownership of operational responsibilities

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About personio

Software Development1805Munich, Bavaria, DEFounded 2015

Founded in 2015 and built in Europe, Personio is the Intelligent HR Platform championing every side of HR's evolution. As work becomes more complex and HR's role more strategic, most technology still treats HR as one-dimensional. We see it differently. Trusted by over 16,000 customers managing more than 1 million employees globally, Personio is built for everything HR has become. We support organisations of all sizes and industries, but specialise in global companies with between 200 and 5000 employees. We connect Core HR, Talent, and Payroll in one intelligent platform. Our platform eliminate