We are seeking a highly experienced Senior Java Developer (Microservices) to lead the design, development, and implementation of modern, distributed application systems using Java and microservices architecture. This role requires deep expertise in Java development within a microservices context, leveraging Spring Boot and related technologies. You will play a key role in shaping our microservices strategy, collaborating with multiple teams to ensure seamless integration and drive innovation within our technology landscape. This role specifically targets candidates with a strong command of Java and proven experience building and deploying Java-based microservices.Responsibilities:<ul><li>Design, develop, and implement Java-based microservices using Spring Boot, leveraging its features for building robust and scalable services.</li><li>Architect and implement microservices-based solutions using Java, considering factors such as service discovery, inter-service communication, and data consistency.</li><li>Partner with management teams to integrate Java microservices into existing infrastructure, ensuring seamless data flow and optimal performance.</li><li>Resolve high-impact problems and lead complex projects, applying your Java and microservices expertise to develop effective solutions.</li><li>Provide technical leadership in Java microservices development, guiding other engineers on best practices and promoting efficient development strategies. This includes promoting design patterns suitable for microservices architecture in Java.</li><li>Develop and maintain coding standards, testing procedures, and debugging techniques specifically for Java microservices.</li><li>Contribute to the overall architecture, ensuring that Java microservices solutions align with business goals and integrate effectively with other technologies.</li><li>Provide in-depth analysis and apply interpretive thinking to define technical issues and develop innovative solutions using a Java microservices approach.</li><li>Mentor mid-level developers and analysts on Java microservices best practices and provide technical guidance.</li><li>Design and architect Java-based solutions using the latest advancements in microservices architecture and related technologies, including containerization platforms like ECS, Kubernetes, and OpenShift.</li><li>Optimize Java microservices for performance, scalability, and resilience, addressing issues related to distributed systems.</li><li>Troubleshoot and resolve complex technical problems in Java microservices deployments, demonstrating expertise in identifying root causes and implementing effective solutions.</li><li>Apply test-driven development (TDD) methodologies and other relevant testing strategies for Java microservices to ensure high-quality code and robust functionality.</li><li>Ensure the security of Java microservices by implementing appropriate authentication, authorization, and security measures, considering the distributed nature of the system.</li><li>Appropriately assess risk when making technical decisions, considering the firms reputation and safeguarding Citigroup, its clients, and assets.</li><li>Drive compliance with applicable laws, rules, and regulations, adhering to company policies and demonstrating sound ethical judgment.</li></ul>Qualifications:<ul><li>6+ years of hands-on experience in Java/J2EE development, with a significant emphasis on microservices architecture.</li><li>Deep expertise in designing, developing, and deploying Java-based microservices using Spring Boot.</li><li>Strong command of core Java concepts and principles.</li><li>Experience with service discovery tools (e.g., Eureka, Consul) in a Java environment.</li><li>Experience with inter-service communication patterns and technologies (e.g., REST APIs, message queues) using Java.</li><li>Good understanding of containerization technologies (ECS, Kubernetes, OpenShift) and their role in Java Microservices deployments.</li><li>Experience with API gateways and management tools in a Java context.</li><li>Experience working in an agile environment using Scrum methodologies.</li><li>Expertise in designing and optimizing Java software solutions for performance and stability in a microservices context.</li><li>Expertise in troubleshooting and problem-solving in distributed Java systems.</li><li>Expertise in test-driven development (TDD) and other testing strategies for Java microservices.</li><li>Expertise in authentication, authorization, and security best practices for Java microservices.</li><li>6-10 years of relevant experience in Java application development or systems analysis.</li><li>Extensive experience in systems analysis and programming of Java applications.</li><li>Experience in managing and implementing successful Java-based projects.</li><li>Subject Matter Expert (SME) in Java microservices architecture and related technologies.</li><li>Ability to adjust priorities quickly as circumstances dictate.</li><li>Demonstrated leadership and project management skills.</li><li>Excellent written and verbal communication skills.</li></ul>Preferred Qualifications:<ul><li>Expertise in Elastic Search, NoSQL databases, and caching solutions within a Java environment.</li><li>Experience with distributed tracing and monitoring tools for Java Microservices.</li></ul>Education:<ul><li>Bachelor’s degree/University degree or equivalent experience.</li></ul>------------------------------------------------------Job Family Group: Technology------------------------------------------------------Job Family:Applications Development------------------------------------------------------Time Type:Full time------------------------------------------------------Primary Location:Tampa Florida United States------------------------------------------------------Primary Location Full Time Salary Range:$113,840.00 - $170,760.00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental &amp; vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.------------------------------------------------------Most Relevant Skills Please see the requirements listed above.------------------------------------------------------Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------Anticipated Posting Close Date:Sep 11, 2025------------------------------------------------------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 <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.

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