Senior Application Manager (m/f/d) E-Invoice

About your tasks:

• Take ownership of cloud-based SaaS applications, ensuring their secure integration into our Azure environment
• Design and optimize authentication & authorization flows (SSO, OAuth2.0, OIDC, federation, role mapping)
• Work on API integrations, applying best practices in REST (JSON/XML) and API security (JWT, mTLS, API keys)
• Contribute to data integration and streaming, enabling seamless data flow into our cloud data platform
• Support continuous improvements around security, scalability, and reliability of application landscapes
• Experience working with ERP and Finance, Accounting is a bonus