• Support and further development of existing data connections to customer systems (e.g., DATEV, SAP, LucaNet, Microsoft 365, Personio). • Optimization and stabilization of existing ETL pipelines for file- and API-based data imports. • Onboarding new interfaces and structured integration into the existing integration landscape. • Familiarization with external API documentation to efficiently connect new systems. • Evolving existing integrations into scalable, parameterizable standards. • Ensuring clean abstraction and reusability of structures (e.g., dimensions, mapping logic). • Managing authentication processes (e.g., OAuth) and ensuring stable data transfer. • Automating existing data flows and integrating them into setup and deployment processes. • Collaborating with customers and internal teams to implement data structures cleanly.

• Build and maintain secure web applications using ASP.NET Core and Razor Pages. • Implement authentication flows and role-based access control (RBAC) using ASP.NET Core Identity. • Develop responsive, user-friendly interfaces using Bootstrap 5 and modern UI practices. • Create dynamic dashboards with KPIs, charts, and data grids. • Build complex forms with validation, conditional logic, and file upload capabilities. • Integrate front-end components with RESTful APIs and backend services. • Work with SQL Server and Entity Framework Core for data access and modeling. • Optimize application performance using pagination, caching, and asynchronous processing. • Ensure secure data handling, session management, and protection of sensitive information.

• Build and maintain secure web applications using ASP.NET Core and Razor Pages. • Implement authentication flows and role-based access control (RBAC) using ASP.NET Core Identity. • Develop responsive, user-friendly interfaces using Bootstrap 5 and modern UI practices. • Create dynamic dashboards with KPIs, charts, and data grids. • Build complex forms with validation, conditional logic, and file upload capabilities. • Integrate front-end components with RESTful APIs and backend services. • Work with SQL Server and Entity Framework Core for data access and modeling. • Optimize application performance using pagination, caching, and asynchronous processing. • Ensure secure data handling, session management, and protection of sensitive information.

• Build and maintain secure web applications using ASP.NET Core and Razor Pages. • Implement authentication flows and role-based access control (RBAC) using ASP.NET Core Identity. • Develop responsive, user-friendly interfaces using Bootstrap 5 and modern UI practices. • Create dynamic dashboards with KPIs, charts, and data grids. • Build complex forms with validation, conditional logic, and file upload capabilities • Integrate front-end components with RESTful APIs and backend services • Work with SQL Server and Entity Framework Core for data access and modeling • Optimize application performance using pagination, caching, and asynchronous processing • Ensure secure data handling, session management, and protection of sensitive information