The Senior Java Back End Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities:<ul><li>Use Core Java, Python, JavaScript, Multi-Threading, Exception Handling, and GoF Pattern to perform applications systems analysis and develop applications</li><li>Utilize spring technologies including Spring Boot, Spring Framework, Spring Security, and Spring Data to process large amounts of data in real-time by utilizing streaming techniques to calculate real-time business metrics used to publish dashboards to business stakeholders</li><li>Use Kafka, Event-Driven Microservices, and Distributed Systems to develop highly scalable distributed enterprise applications that optimally process large data sets</li><li>Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas</li><li>Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users</li><li>Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement</li><li>Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality</li><li>Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems</li><li>Ensure essential procedures are followed and help define operating standards and processes</li><li>Serve as advisor or coach to new or lower level analysts</li><li>Has the ability to operate with a limited level of direct supervision. </li><li>Can exercise independence of judgement and autonomy. </li><li>Acts as SME to senior stakeholders and /or other team members.</li><li>Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firms reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.</li></ul> Qualifications:<ul><li>5-8 years of hands-on software development experience, with strong expertise in either Java or Python</li><li>Proven experience designing and developing system with real-time streaming technologies (e.g. Kafka, Flink, Spark Streaming or equivalent)</li><li>Strong understanding of database systems including both SQL and NoSQL databases</li><li>Ability to engage directly with business stakeholders to gather, clarity and translate business requirement into well-defined technical specification</li><li>Strong skills in technical analysis, including identifying gaps, dependencies and opportunities for improvement</li><li>Comfortable acting as a bridge between business and engineering teams, ensuring solutions align with business goals</li><li>Excellent communication, problem-solving and documentation skills</li></ul> Education:<ul><li>Bachelor’s degree/University degree or equivalent experience</li></ul> This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.Applicants must be authorized to work in the U.S.  (Citi will not sponsor applicants for U.S. work authorization for this position). Position is based in Irving, TX. Candidate must be located within commuting distance or be willing to relocate to the area------------------------------------------------------Job Family Group: Technology------------------------------------------------------Job Family:Applications Development------------------------------------------------------Time Type:Full time------------------------------------------------------Primary Location:Irving Texas United States------------------------------------------------------Primary Location Full Time Salary Range:$107,120.00 - $160,680.00 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:Oct 02, 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.