A senior Java Spring Boot software engineer should have a deep understanding of the Java programming language, the Spring Boot framework, and best practices for software development. They should also be able to apply this knowledge to design, develop, test, and deploy complex software applications. Here are some specific skills that a senior Java Spring Boot software engineer should have: Java: Expert knowledge of the Java programming language, including object-oriented design principles, design patterns, and the Java Development Kit (JDK). Spring Boot: Deep understanding of the Spring Boot framework, including its core features, such as auto-configuration, starters, and embedded servers. Software development: Strong software development skills, including experience with agile development methodologies, unit testing, and continuous integration and delivery (CI/CD). Databases: Experience with relational and NoSQL databases, such as MySQL, PostgreSQL, and MongoDB. Cloud computing: Expe