Senior .NET Developer (AWS & Sitecore)

We are looking for a Senior .NET Developer (AWS & Sitecore) to join our team in Romania and contribute to the development, maintenance, and support of enterprise digital solutions. In this role, you will work with .NET Core, AWS cloud services, AWS Lambda, GraphQL, and Sitecore to build scalable, secure, and high-performing applications. Responsibilities Develop, enhance, and maintain enterprise applications using .NET Core and related Microsoft technologies. Implement and support AWS cloud-native and serverless solutions , with a focus on AWS Lambda , API Gateway, and related services. Design, develop, and maintain GraphQL and RESTful APIs to enable seamless integration between applications and enterprise systems. Contribute to microservices and event-driven architectures , ensuring scalability, reliability, and maintainability. Develop, customize, integrate, and support Sitecore-based applications and digital platforms. Troubleshoot application and production issues, perform root-cause analysis , and implement effective solutions to improve system stability and performance. Work with Docker and Kubernetes environments and collaborate with architects, developers, QA engineers, and other stakeholders to deliver high-quality solutions. 5 + years of professional experience in software development, with strong hands-on expertise in .NET Core and the .NET framework. Practical experience with AWS Lambda and serverless application development, with knowledge of AWS API Gateway