(Senior) Technical Expert Payment Solutions (gn) Vollzeit/Teilzeit (hybrid)

Do you want to play an active role in driving a company’s growth and turning big plans into reality? Then join our team! You can look forward to exciting challenges, an inspiring environment, and a work culture that combines flexibility and collaboration – with our 60/40 hybrid model and modern offices in Ratingen as a hub for ideas. As part of our team, you will take on the following responsibilities: You actively contribute to strategic payment projects and take responsibility for coordinating colleagues with sub‑project ownership in cross‑functional payment initiatives. In this role, you are responsible for the ongoing development of our payment solutions in close collaboration with external service providers, internal stakeholders, and in alignment with management. You coordinate technical providers, in particular our processing service provider as well as connected systems and additional partners. In addition, you support the stable operation of the processing system and, after appropriate onboarding, participate in on‑call duty. As a technical point of contact, you advise internal departments on payment instruments and payment processes within the fuel station and tolling environment. You create technical feasibility studies and specifications and take responsibility for the analysis, specification, testing, and certification of business requirements for IT solutions. Furthermore, you independently and proactively develop studies and concepts and work closely with Product Management, Corporate Development, other IT teams, and the Security Officer on the development of new payment solutions.