Full-stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

In this role you will join Citi London’s technology team to build and operate trading tools for the Systematic & Credit Portfolio Trading desk. You will collaborate closely with traders, quants, and product developers to rapidly iterate revenue- and risk-focused tooling, helping shape the trading ecosystem at scale. The role offers hybrid work, mentorship, and opportunities to influence a new strategic trading desk. You’ll work on impact-driven projects that bridge technology and global markets.

• hybrid working model
• 27 days annual leave
• discretionary annual bonus
• Private Medical Care
• Life Insurance
• Pension Plan

• Define trade tooling business requirements directly with traders
• Collaborate with traders, quants and product development to build tools (portfolio optimization, P&L analysis, trading recommendations)
• Maintain an ecosystem for rapid application tooling with trader contributions
• Use Java and React to deliver high-quality software aligned with business pace
• Coordinate with production support to ensure stability and maintainability of critical trading functions

• Proven experience building applications and tools in Java or similar language
• Experience with containerized deployment (Kubernetes/OpenShift, Helm, Docker)
• Strong engineering fundamentals—managing complexity and ensuring stability
• Experience with CI/CD tooling (Jenkins, Harness, etc.)
• Experience analyzing complex data sets and drawing evidence-based conclusions
• Experience using agentic coding agents to accelerate development while maintaining code quality
• Excellent oral and written communication skills
• Prior experience in Credit or capital markets is a plus
• Prior experience in Credit or other secondary trading businesses is a plus
• Education: Bachelor’s degree or equivalent

• collaboration and teamwork
• curiosity and learning mindset
• strong communication skills
• Java
• React
• Kubernetes