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Senior Software Engineer - Backend D/F/M

Madrid💼 Full-time🗓 2026-04-16 → 2026-07-31

Core

Build scalable, high-performance back-end features for Personio's implementation and support experiences to help customers set up and use the HR platform.

Role type

Senior Back-End Engineer

Builds

Implementation and support features for Personio's HR platform

Domain

HR Technology / Distributed Systems

Deliverable

production ML models | product features

Required skills

Back-end engineering, Distributed systems, Kotlin, Spring Boot, Observability, Incident response, Architecture design, Testing strategies

Preferred skills

Mentorship, Pair programming, Technical debt management

Technologies

Kotlin, Spring Boot

Responsibilities

Develop and enhance implementation and support experiences, Build scalable back-end features, Own estimation and scoping of projects, Ensure high availability and performance, Optimize observability and incident response, Mentor and coach engineers

Seniority

Senior, hands-on IC with mentorship

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