Job Summary We are seeking an experienced and visionary Java Backend senior developer for the design, development, and deployment of our AI-powered platforms. Key Responsibilities. • Architectural Design: Architect and design robust, scalable, and high-performance backend services and APIs using Java, Spring Boot, and microservices principles. Ensure systems are secure, reliable, and ready for future growth. • AI Integration: Collaborate with data scientists and machine learning engineers to seamlessly integrate and deploy AI/ML models into our production environment. Design APIs and data pipelines to support real-time inferencing and model retraining. • Full-Lifecycle Development: Oversee the entire software development lifecycle, from requirements gathering and technical design to coding, testing, deployment, and maintenance. • Code Quality & Best Practices: Champion and enforce best practices for code quality, unit testing, integration testing, and CI/CD. Conduct code reviews and provide constructive feedback to the team. • Strategic Collaboration: Work closely with product managers, stakeholders, and other engineering teams to define technical requirements, set priorities, and ensure timely delivery of features. • Innovation & Research: Stay current with emerging trends and technologies in backend development, artificial intelligence, and machine learning. Drive innovation by prototyping new ideas and evaluating new tools. Required Qualifications • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. • 9-15 years of professional experience in backend software development, with a strong command of Java. • 3+ years of experience in a technical leadership or lead developer role, with a proven track record of successfully delivering complex projects. • Extensive experience with the Spring Framework, particularly Spring Boot, for building microservices. • Solid understanding of microservices architecture, containerization (Docker), and orchestration (Kubernetes). • Proficient in designing and building RESTful APIs and event-driven systems. • Strong experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra). • Experience with message brokers such as Apache Kafka or RabbitMQ. • Strong understanding of software development principles, design patterns, and Agile methodologies. Preferred Qualifications • Hands-on experience in developing applications that consume or interact with AI/ML models. • Familiarity with cloud platforms (AWS, Google Cloud, or Azure) and their AI/ML services. • Basic knowledge of Python and common machine learning libraries (e.g., TensorFlow, PyTorch, scikit-learn). • Experience with MLOps principles and tools for model deployment and monitoring. • Knowledge of data processing frameworks like Apache Spark or Apache Flink. • Experience with search and analytics engines like Elasticsearch. • Excellent problem-solving abilities and strong communication skills. • A passion for building intelligent systems and a desire to make an impact. Education: • Bachelor’s degree/University degree or equivalent experience • Master’s degree preferred This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.