**Introduction** At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by curiosity and collaboration. You’ll work with diverse technologies, partners, and industries to design, develop, and deliver solutions that power digital transformation. With a culture that values innovation, growth, and continuous learning, IBM Software places you at the heart of IBM’s product and technology landscape. Here, you’ll have the tools and opportunities to advance your career while creating software that changes the world. We are seeking a Security Developer to join our IBM OpenJDK Security team. As part of our team, you will be responsible for developing and maintaining high-quality OpenJDK releases, working with a variety of technologies and programming languages, ensuring correctness and verifying security patches, collaborating directly with the Vulnerability Group to ensure the safety of the Java platform for both upstream and downstream distributions. **Your role and responsibilities** The IBM OpenJDK team is looking for a Software Developer to join our security team. As a key member of our dynamic team, you will be working directly with the upstream community of OpenJDK on bug fixes and backports and to generally help us maintain our growing list of supported versions of OpenJDK. Your primary responsibilities will include: * Help develop and maintain OpenJDK: Design, code, test bugfixes, backports and new features, work on the security reviews, analyze the code base for security vulnerabilities, perform static analysis and threat analysis, help develop security standards such as FIPS and Post Quantum Cryptography and integrate the implementation into the RHEL ecosystem. * Debug Customer-Reported Problems: Design, develop, and unit test code fixes for customer-reported problems, collaborating with stakeholders to resolve issues efficiently. * Deliver Offerings: Deliver high-quality offerings using leading-edge and/or proven technologies, meeting stakeholder requirements and expectations. * Collaborate in Agile Environment: Work collaboratively in an Agile environment to understand stakeholder requirements, aligning solutions with business needs and goals. * Work on Open Source code with an upstream first approach. **Required technical and professional expertise** * Software Development Expertise: Strong background in software development and debugging, demonstrating expertise in programming languages, in particular Java and C++, and in reviewing and analyzing code. * Strong background in cryptography standards and secure coding practices, with the ability to assess and strengthen security posture. * Advanced problem‑solving skills, including the ability to analyze intricate code interactions,identifyvulnerabilities, and develop robust fixes. * Experience maintaining and enhancing legacy or long‑standing production software systems. * Vulnerability Management and Threat Prevention:Extensive experience insecurity testing, vulnerability analysis and risk assessments, protocol analysis, encryption, understanding of access controls rules, authentication, firewalls, phishing and unauthorized access, etc. **Preferred technical and professional experience** * Deep understanding of JVM or OpenJDK internals, runtime subsystems, or similar system‑level software. * Strong background in advanced security testing, penetration testing, or code‑breaking activities. * Experience with cryptographic frameworks or compliance standards such as FIPS or post‑quantum cryptography. * Having a role (Author,Committer, Reviewer, etc.) with the upstream OpenJDK project is a plus. * Experience with penetration testing, FIPD and Post Quantum cryptography and white hacking are highly desired. IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.