Lead Java Developer – Assistant Vice President

Citi is looking for a Senior Java Engineer to join the Japan Finance & Functions Technology team, where you will design, build, and deliver critical application systems that support Finance, Compliance, and HR operations across Citi Japan. In this role, you will work at the intersection of technology and finance, collaborating with global and local stakeholders to develop solutions that meet Japan's regulatory requirements and business needs. This is a high-impact position where your technical expertise and domain knowledge will directly shape how Citi's Japan technology landscape evolves.

• Design and develop application systems that address Japan regulatory requirements, working closely with Finance and global technology teams to deliver reliable, compliant solutions.
• Build and maintain Java-based applications across the full development lifecycle — from feasibility and design through to testing, deployment, and production support.
• Manage application portfolios, project plans, and budgets, providing clear and timely progress updates to senior stakeholders and leadership.
• Act as a subject matter expert for Finance technology, advising senior stakeholders on complex technical challenges and guiding junior developers through best practices.
• Identify and resolve production issues in coordination with Production Management teams, applying root cause analysis and delivering fixes within strict timelines.
• Develop and implement security measures through post-implementation analysis, ensuring system integrity and long-term functionality.
• Consult with business users, third-party vendors, and cross-functional technology teams to evaluate requirements and propose advanced programming solutions.
• Assess technology and business risks associated with development decisions, ensuring adherence to applicable policies, controls, and regulatory standards.

• 8 or more years of experience across application development, project management, production support, and business analysis, with at least 5 years working in the Finance domain.
• Strong programming skills in Java, Spring Boot, Spring Batch, PL/SQL (Oracle 19c), JavaScript, with hands-on experience in Unix/Linux environments.
• Demonstrated ability to design and optimize databases, including performance tuning and query optimization in Oracle environments.
• Practical experience working in Agile delivery models, including Sprint Planning, DevOps practices, and CI/CD pipeline management.
• Experience identifying and remediating code vulnerabilities, with a track record of improving application security and performance.
• Familiarity with Cloud Technologies, REST API development, software deployments, and server or database migrations.
• Proficiency with source code control tools, deployment platforms, IDEs, and scheduling and monitoring tools used in enterprise environments.
• Clear and concise written and verbal communication skills, with the ability to present technical concepts to non-technical stakeholders.

• Knowledge and practical use of AI tools and Prompt Engineering in a development context.

At Citi, you will work on technology that matters — supporting critical financial operations across one of the world's most complex regulatory environments. You will have the autonomy to lead meaningful work, the backing of a global network, and access to tools and opportunities that support your long-term career growth.

• Hybrid working model with 3 days in the office and 2 days working remotely, giving you flexibility without compromising collaboration.
• Exposure to global technology teams and cross-regional projects, broadening your professional network and technical perspective.
• Opportunities to take ownership of high-visibility initiatives that directly influence how Citi's Japan Finance technology operates.
• Access to learning and development resources to deepen both your technical skills and Finance domain expertise.
• A performance-driven environment where your contributions are recognised and your career progression is actively supported.
• Competitive financial wellbeing benefits and a comprehensive package aligned to your seniority and market standards in Japan.

Apply now to bring your Java engineering expertise to a role where your work shapes the technology backbone of Citi's Finance operations in Japan.

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