Lead Java architecture for Citi’s Delta One Execution Platform, combining object-oriented design with full time application development. Work globally across critical trading systems.
This Vice President-level technology position focuses on development and maintenance for equities execution applications. You will analyze, design, construct, test, implement, and support software applications for business users. The work includes ETF execution workflows, Cross Assets Liquidity interfaces, and agile collaboration with development teams.
Key Responsibilities: Monitor development, testing, implementation, and operational support phases
Develop and maintain the global Delta One Execution Platform
Enhance ETF execution workflows and strategies




Design data interfaces with Cross Assets Liquidity teams
Document systems and train first-level support staff
Requirements: Eight-plus years of relevant experience
Robust Java architecture and development experience
Object-oriented analysis, design, and programming expertise
Unix or Linux knowledge and robust communication skills
Bachelor’s or Master’s degree, or equivalent professional experience
Apply Java architecture, trading technology, and systems analysis expertise to Citi’s Delta One platform development.
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📌 Senior Java Developer Delta One Ontario
🏢 Citigroup
📍 Ontario