**Introduction** A career in IBM Software means you’ll be part of a team that transforms our customer’s 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. Within the IBM software department, you will join a team focused on the core development of critical middleware platforms like JBoss EAP; you will contribute to developing and maintaining high-quality software products, working with a variety of technologies and shaping the future of enterprise application deployment and integration. 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. **Your role and responsibilities** As a key member of our dynamic team, you will play a vital role in crafting exceptional software experiences. Your responsibilities will specifically focus on the core runtime components of JBoss EAP that give users access to Web Services (SOAP) and RESTful APIs / functionalities. This will encompass the design and implementation of innovative features and enhancements for the WS/REST subsystems within the application server. You will be crucial in fine-tuning and sustaining existing code for optimal performance and stability. Guaranteeing top-notch quality through rigoroustesting and debugging is essential, often involving troubleshooting complex issues related to WS/REST conformance, performance, and integration. Collaboration is at the heart of what we do, and you’ll be working closely with fellow developers, designers, and product managers, as well as potentially other core EAP teams, to ensure our software aligns seamlessly with user expectations and industry standards. ** NOTE: This role will be based in Newcastle, UK **Required technical and professional expertise** * Strong background in Java software development, demonstrating deep expertise in Java EE/Jakarta EE specifications relevant to Web Services (JAX-WS) and RESTful APIs (JAX-RS). * Demonstrated excellence in problem-solving, with the ability to tackle complex issues and find effective solutions. * Experience with middleware platforms or application server development, particularly in core runtime components related to network protocols or API handling. * Experience with cloud-based technologies, showcasing familiarity with modern cloud ecosystems and tools. * Ability to work seamlessly as part of a collaborative team, contributing to collective goals and fostering a positive work environment. * A self-starter with a proactive mindset, able to initiate and drive projects independently. * The ability to guide the teams that contribute to the component towards the strategic and functional goals of a wider product team **Preferred technical and professional experience** * Experience contributing to open source projects, especially those related to Java EE/Jakarta EE, JBoss / WildFly projects or Apache CXF * Knowledge of Web Services standards beyond JAX-WS and JAX-RS (e.g., WS-Security, WS-Addressing, SOAP). 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.