**Introduction** A career in IBM Software means you'll be part of a team that transforms our customers challenges into solutions. Seeking new possibilities and always staying curious, we are a team dedicated to creating the world's leading AI-powered, cloud-native software solutions for our customers. Our renowned legacy creates endless global opportunities for our IBMers, so the door is always open for those who want to grow their career. We are seeking a skilled back-end developer to join our IBM Software team. As part of our team, you will be responsible for developing and maintaining high-quality software products, working with a variety of technologies and programming languages. IBM's product and technology landscape includes Research, Software, and Infrastructure. Entering this domain positions you at the heart of IBM, where growth and innovation thrive. The CPLEX Studio Optimization team is searching for a polyvalent developer/engineer with a broad skill base to contribute to the development and maintenance of the CPLEX Optimization product and its associated tools. We are looking for a dedicated individual with a committment to product quality, the customer experience, and who can work well in a team **Your role and responsibilities** Duties would include (but not be limited to) development and maintenance of: * CPLEX Studio modeling and solving APIs * CPLEX Studio performance measurement infrastructure * Other CPLEX Studio modules as appropriate * The candidate would also participate in typical activities of the group, like triaging bugs, and helping the customer support team. **Required technical and professional expertise** * Excellent Java experience * Familiarity with scripting tools * Familiarity with build tools * Some familiarity with Linux systems and admin tools **Preferred technical and professional experience** * Knowledge of graphical interfaces * Knowledge of C, C++, Python, .NET Core