Requirements: Very good knowledge of C# and .NET Core. Strong practical experience with Azure services: Azure DevOps, Azure Functions, Azure Service Bus, Azure Storage. Proven DevOps skills, including experience in building and optimizing CI/CD pipelines. Fluent German (required for communication with German-speaking stakeholders). English (B2 level or higher). Polish (B2 level or higher) Project description:We are looking for an experienced Senior .NET Developer with fluent German to join our team and contribute to the development and customization of cutting-edge cloud services on Azure.You will be involved in the development and customization of a core, web-based service hosted on Azure. This role requires strong collaboration with stakeholders and active participation in the full software development lifecycle, focusing on building scalable and robust cloud solutions.Main responsibilities: Development and customization of the web-based core service hosted on Azure. Analysis of customer requirements and participation in requirements gathering for adjustments and extensions. Designing and architecting new cloud services. Implementation of new cloud services and features. Participation in various coordination rounds and Agile meetings. Carrying out comprehensive development tests. Direct communication with German-speaking stakeholders (Fluent German is a must). Deployment and support of the application. Optimization of deployment and CI/CD pipelines. Nice to have: Jmeter, SoapUI, Postman Yaml DevExpress Office File API