cubos Internet GmbH

Backend Engineer

• You will be responsible for the system architecture and continuous development of our Charging Operations systems, focusing on CPMS and the charging backend.
• You ensure the stable operation of our systems: you monitor and analyze anomalies, perform troubleshooting, develop sustainable solutions, and ensure thorough documentation.
• You design the interfaces and data flows between CPMS, OCPP/OCPI, roaming, EMP and CPO partners, payment and billing systems, and internal systems such as our ERP.
• You identify optimization opportunities and improve the quality and performance of our operations by implementing efficient processes and automations.
• You establish and maintain operations standards, document operational processes, and drive the development of sustainable knowledge management.

Backend Specialist, Charging Operations

• You develop and operate scalable backend systems based on C#.
• You design and implement payment processes with a focus on integrating Stripe.
• You develop solutions for automated billing processes and ensure their reliable operation.
• You integrate existing billing systems into the backend landscape and optimize the associated interfaces.
• You contribute to the further development of backend architectures and technical standards.

Backend Developer – Payments

SDET

• Du konzipierst, baust auf und entwickelst Testautomatisierungs-Frameworks kontinuierlich weiter (z. B. Robot Framework, API-Testing, Python).
• Du bindest automatisierte Tests nahtlos in bestehende CI/CD-Pipelines ein.
• Du wertest Testergebnisse aus und wirkst aktiv bei der Ursachenanalyse sowie Fehlerbehebung mit.
• Du baust eine vollständige Testdokumentation auf und hältst sie aktuell – von Testfällen und Testplänen bis hin zu Traceability-Matrizen.
• Du führst explorative Tests sowie Regressionstests zur Qualitätssicherung bei Releases und Änderungen durch.
• Du beteiligst Dich aktiv an Sprint-Planungen durch fundierte Testschätzungen und Risikoeinschätzungen.
• Du treibst eine Qualitätskultur durch kontinuierliches Testen und den gezielten Ausbau der Automatisierungsabdeckung voran.

Test Automation Engineer – deutschlandweit

Software Engineer

• You support the technical assessment of feasibility for battery storage projects (BESS)
• You plan and develop battery energy storage systems from concept through execution and accompany commissioning and acceptance
• You assist with permitting procedures and accompany grid connection processes
• You support implementation and quality assurance during the project phase, analyze existing systems and optimize processes
• You act as an interface to grid operators, authorities and other internal stakeholders
• You help prepare measurement concepts for different operating models

Backend Specialist, Charging Operations

Backend Developer – Payments

Test Automation Engineer – deutschlandweit

Working Student, Engineering Battery Energy Storage Systems (BESS)