Principal Software Engineer (m/w/d) – JVM & Cloud Architecture

The Role

As a Principal Engineer at zollsoft, you will steer the technical evolution of the tomedo.air ecosystem. This role focuses on modernizing backend infrastructures through strategic cloud-native microservices, Domain-Driven Design, and event-driven patterns. You will act as a bridge between high-level architectural vision and hands-on execution, mentoring senior developers while communicating fluently in German (C1 level).

AI-First Engineering

Zollsoft is looking for leaders who understand that the future of development is 'agentic.' You are encouraged to apply 'vibecoding' principles using tools like Claude Code and Codex to maintain high-quality standards across a JVM-heavy stack including Kotlin, Java, and Spring Boot. This position is perfect for someone who uses AI to navigate complex codebases, manage system migrations, and automate the lifecycle of microservices.

Why Join?

• Remote-First & Flexible: Work from anywhere in Germany with a focus on work-life balance and 'job crafting.'
• Modern Culture: Experience a startup feel within an established family business that prioritizes cooperation over competition.
• Holistic Perks: Benefit from extensive benefits including health coaching, yoga, bike leasing, and hardware upgrades, all while shaping the future of digital healthcare.