Backend Developer – Payments

cubos Internet GmbH

As a Backend Developer, you'll build scalable systems and implement payment processes for Stripe. Join a dynamic team focused on innovative energy solutions in the mobility sector.

Posted 6/24/2026full-timeRemote • 🇩🇪 GermanyMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

Degree in Computer Science, Electrical Engineering, Energy Engineering or a comparable qualification
Several years of professional experience and solid skills in software development, e.g., in C#, ideally in a backend or systems environment
Experience in e-mobility
Experience with payment systems, ideally Stripe
Understanding of APIs, distributed systems and technical data communication and integration
Basic understanding of legal and regulatory aspects in the payments and billing domain, especially data protection and secure handling of payment data
Structured, independent and solution-oriented working style
Team player with enthusiasm for interdisciplinary collaboration
Good German and English skills

Benefits

Comp & perks

Flexible working hours; 100% remote work within Germany possible
30 days of annual leave
Work on real energy products with tangible physical impact
High level of responsibility and an international working environment
Health and wellness offerings
Company pension scheme
Open, personal culture with flat hierarchies
Regular company and team events

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C#software developmentpayment systemsStripeAPIsdistributed systemstechnical data communicationintegration

Soft Skills

structured working styleindependent working stylesolution-orientedteam playerinterdisciplinary collaboration

Certifications

Degree in Computer ScienceDegree in Electrical EngineeringDegree in Energy Engineering