A Java Security Engineer should have strong proficiency in Java programming, secure coding practices, and a thorough understanding of application security concepts, often supported by a degree in computer science or a related field. Familiarity with security frameworks (like Spring Security), vulnerability scanning tools, and certifications such as CISSP or CEH are typically required. Outstanding analytical thinking, problem-solving abilities, and effective remote communication skills set top candidates apart. These skills ensure the development of robust, secure software solutions and enable successful collaboration in distributed teams.