**Introduction** Do you love hard-core computer science problem sets and want a career that can exercise that passion rather than simply doing traditional full-stack development? We are seeking a highly skilled core-java developer to join our IBM Software team. As part of our team, you will be responsible for developing and maintaining high-quality software products, in the complex distributed system and in-memory data storage spaces. Participate as a senior software engineer in developing IBM Terracotta's terabyte-scale in memory data management products which provide predictable, snap-in performance and scale for highly concurrent enterprise applications. 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. 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 highly technical team, you will play a vital role in crafting exceptional distributed in-memory data storage software. Your responsibilities will encompass the design and implementation of innovative features, fine-tuning and sustaining complex existing code for optimal performance, and guaranteeing quality through rigorous testing and debugging. Collaboration is at the heart of what we do, and you’ll be working closely with fellow top-tier software development professionals. **Required technical and professional expertise** * 8+ years of experience in Java and solid understanding of data structures, search algorithms, and data consistency * Knowledge of concurrency, caching, and distributed systems * Proven ability to tackle complex technical challenges. * Hands-on experience with RESTful services, microservices, and containerization technologies * Skilled in identifying and implementing effective solution **Preferred technical and professional experience** Cloud Technology Proficiency: Experience with cloud-based technologies, showcasing familiarity with modern cloud ecosystems and tools such as Docker and Kubernetes. NoSQL Database Knowledge: Proficiency in NoSQL databases, particularly experience with technologies like Terracotta, Casandra, and Elastic Search. Java Ecosystem and Open Source Knowledge: Extensive knowledge of common frameworks and libraries in the Java ecosystem (such as Spring, Hibernate, etc.), experience contributing to popular FOSS projects and working with other contributors. Leadership: Experience and aptitude (willingness) to lead software development efforts, taking ownership of design and implementation decisions and initiative to drive work forward. 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.