COMBASE AG: Backend‑Softwareentwickler:In KORONA Cloud (m/w/d)
Core
Develop and maintain central microservices for KORONA Cloud, a high-availability backend for POS systems processing billions of transactions in real-time.
Role type
Mid-level backend software engineer (SaaS/Cloud)
Builds
Central microservices and APIs for POS systems, web applications, and external partners
Domain
Retail, Hospitality, Ticketing; Cloud-native backend systems
Deliverable
production ML models | product features
Required skills
Object-oriented programming (Java, Kotlin), REST API design, relational database modeling (PostgreSQL, MySQL), system architecture thinking, debugging in distributed systems, unit testing
Preferred skills
SaaS or cloud environment experience, OAuth/JWT authentication concepts, refactoring processes, AI tool usage (GitHub Copilot, Cursor)
Technologies
Java, Kotlin, PostgreSQL, MySQL, REST, OAuth, JWT, GitHub Copilot, Cursor
Responsibilities
Develop and maintain central microservices for KORONA Cloud, design and implement APIs for POS systems and external partners, contribute to architecture decisions and refactoring, analyze and debug issues in local and distributed systems, write maintainable code with tests and documentation
Seniority
Mid-level, hands-on IC
