**Job Overview:** We are looking for an experienced Senior Java Developer with a strong background in financial applications. You will play a key role in developing, enhancing, and maintaining high-performance, secure, and scalable Java-based financial software solutions. In this role, you will be working closely with cross-functional teams, including product managers, business analysts, and architects, to deliver reliable solutions in a highly regulated environment. **Key Responsibilities:** - Design, develop, and maintain Java-based applications for financial systems, including trading platforms, payment gateways, and risk management tools. - Ensure the applications meet industry standards for security, compliance, and performance, with an emphasis on scalability and reliability. - Collaborate with stakeholders (business analysts, product managers, and other teams) to translate business requirements into technical solutions. - Optimize and refactor existing code to improve performance and maintainability. - Implement and maintain RESTful APIs for integration with third-party financial systems, as well as internal microservices. - Perform regular code reviews to ensure high-quality, maintainable, and scalable code. - Troubleshoot, debug, and resolve production issues, ensuring minimal downtime and continuous service availability. - Work within Agile development methodologies, participating in sprint planning, daily stand-ups, and sprint retrospectives. - Stay updated with the latest financial industry trends, regulations, and emerging technologies to suggest and implement improvements. - Ensure proper documentation of all technical processes and solutions. **Required Qualifications:** - Bachelor’s degree in Computer Science, Engineering, Finance, or a related field (or equivalent practical experience). - 5+ years of experience as a Java developer, with a focus on financial applications or fintech. - Strong knowledge of core Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring MVC, and Hibernate. - Deep understanding of financial concepts such as payments, transactions, trading, risk management, and financial reporting. - Hands-on experience in designing and developing secure, scalable, and high-performance financial applications. - Experience designing and implementing message-driven systems for reliable, asynchronous processing in high-throughput, distributed environments. - Solid experience with relational databases (e.g., Oracle, SQL Server) and NoSQL databases (e.g., MongoDB) in the context of financial systems. - Proficiency in working with financial protocols (e.g., FIX) and integration with external financial data sources and APIs. - Experience with microservices architecture and containerization (e.g., Docker, Kubernetes). - Strong problem-solving skills and the ability to troubleshoot complex production issues. - Proficient with version control systems such as Git and experience in continuous integration/continuous deployment (CI/CD) processes. - Extensive experience with Linux environments, including system administration, shell scripting, and performance tuning. - Excellent communication skills, both verbal and written, with the ability to collaborate effectively across teams. **Preferred Qualifications:** - Knowledge of trading systems and algorithmic trading platforms. - Familiarity with DevOps practices and tools (e.g., Jenkins, TeamCity). - Experience with front-end technologies (e.g., JavaScript, React) for full-stack development. - Familiarity with Agile/Scrum methodologies and financial industry project management standards. ------------------------------------------------------ ## **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](https://www.citigroup.com/citi/accessibility/application-accessibility.htm).* *View Citi’s [EEO Policy Statement](https://www.citigroup.com/global/eeo-aa-policy) and the [Know Your Rights](https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) poster.*