To thrive as a Sr Full Stack Java Developer, you need advanced knowledge of Java, JavaScript frameworks, RESTful APIs, and experience with both front-end and back-end development, typically backed by a computer science degree or equivalent experience. Familiarity with tools such as Spring Boot, Angular or React, version control systems like Git, and cloud platforms such as AWS or Azure is highly valued. Strong problem-solving abilities, effective communication, and leadership skills are important soft skills for this role. These competencies enable the developer to build robust, scalable applications, collaborate efficiently with teams, and drive successful project outcomes in dynamic tech environments.