Citi is seeking a Senior Java Big Data Developer to design and build core components of the Regulatory Reporting Hub, a critical application for compliance with regulatory requirements. This role involves developing a Risk and Finance dashboard application that combines backend engineering in Java and J2EE with front-end development using JavaScript. The position requires collaboration with business stakeholders and technology partners to ensure reliable reporting capabilities. Ideal candidates will have a strong background in banking operations and regulatory impacts on trade processing.

• 5+ years of software development experience in Java, with expert-level skills in Core Java, Spring, Web Services, and J2EE.
• 5+ years of experience implementing enterprise-level Java development projects.
• Expert-level knowledge of Apache Spring, Spark, and Kafka.
• Expert-level knowledge of the Cloudera ecosystem, including Hadoop, HDFS, Hive, and Impala.
• Expert-level knowledge of JSON, XSD, RESTful web services, design patterns, and databases.
• Strong computer science fundamentals in data structures, algorithms, databases, and operating systems.
• Experience developing high-performance, multi-threaded applications.
• Thorough understanding of server-side integration, RESTful services, and Spring MVC.
• Proficiency in JavaScript, HTML5, AJAX, and JSON for web front-end development.
• Experience with AngularJS, CSS, and Spring MVC in the context of JavaScript-based web applications.
• Good knowledge of design patterns, with the ability to solve complex design issues and identify and fix code issues.
• Good skills in web servers such as WebSphere and WASND.
• Experience with source code management tools such as SVN and Bitbucket.
• Banking operations experience, including knowledge of trade processing flows and their regulatory impacts on operational processing.
• Experience in Compliance or the financial sector is a plus.
• Regulatory business knowledge is a plus.
• Strong technical skills focused on data analysis, including experience with mainstream data analysis tools such as Excel and Access.
• Strong business analytical skills.
• Strong written and oral communication skills.
• Ability to work closely with technology partners to ensure business requirements are met by development.

• Liaise with business users to gather, clarify, and document business requirements for the Regulatory Reporting Hub.
• Translate documented business requirements into technical specifications in partnership with technology teams.
• Work with technology teams to implement reconciliation processes for regulatory and financial data.
• Participate in and contribute to design and architectural solutions for the application.
• Define the overall testing strategy for new development and enhancements.
• Manage User Acceptance Testing (UAT) with business stakeholders.
• Provide post-implementation support to ensure application stability and issue resolution.
• Lead weekly review calls to manage status with all involved parties and ensure project progress.
• Maintain an issues list and action items log, and follow up with stakeholders to ensure timely task completion.
• Provide input to the bi-weekly steering committee reporting, covering project status, financials, and appropriate escalations.
• Critically evaluate current processing and recommend process efficiencies and enhancements.
• Design, review, and suggest improvements to existing code and architecture.
• Guide and mentor junior team members within an agile delivery environment.

• Citi offers a comprehensive benefits package including competitive pay, stock programs, healthcare coverage, retirement plans, paid time off, parental leave, and programs supporting employee wellbeing and professional development.