A Linux containers developer creates, manages, and optimizes Linux-based containerized applications. They utilize technologies like Docker and Kubernetes to package software, dependencies, and configurations into isolated containers for efficient deployment and scalability. They work on designing microservices architectures, facilitating smooth CI/CD processes, and ensuring application security. They also troubleshoot issues, optimize performance, and maintain container orchestration systems. Their role involves close collaboration with other developers and operations teams to ensure seamless application delivery in a cloud environment. Their expertise helps in maximizing the benefits of containerization, such as portability, resource efficiency, and faster software delivery.