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Citi Logo Citi · IT - Software Development

Low Latency Electronic Trading Software Engineer - Java

Hong Kong SAR, Kowloon · Job Posted May 27, 2026
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Job Description

Citi's Equities Technology organization is seeking a Software Engineer to join the Equities Electronic - Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development, and delivery of Citi's next-generation low-latency execution platform. This platform encompasses critical components including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, Low latency Client & Exchange Connectivity, and high-throughput market data processing. The senior engineer will collaborate with a cross-functional team of developers and work closely with product development, quantitative research, technology infrastructure, production support and QA teams. Close alignment with the global strategy and cross-regional delivery is a key aspect of this role.

Job Responsibility

  • Core Development: Design, development and maintenance of high-performance, low-latency electronic execution systems
  • Product Collaboration: Partner with traders, quant researchers, and clients to understand their needs and translate them into innovative product features and enhancements — including execution performance improvements, new liquidity sources, and DMA capabilities
  • Testing: Continuously improve and maintain testing frameworks, development tools, and environments to ensure platform reliability and performance at scale
  • AI-Powered SDLC: Leverage Citi's suite of AI-powered development tools throughout the Software Development Life Cycle (SDLC) to enhance productivity, code quality, and innovation
  • Agile & CI/CD: Contribute to and champion Agile development practices and Continuous Integration/Continuous Delivery (CI/CD) processes with a focus on shift-left testing and accelerated release cycles
  • Platform Support & Enhancement: Build and maintain common solutions for trading platform monitoring, trade reconciliation, application recovery, and other essential support functions

Requirements

  • Minimum 7 years of experience with strong technical knowledge and expertise in Low latency Java, C++ or Rust
  • Prior experience in developing electronic trading platforms in a global financial institution or equivalent environment
  • Strong understanding of automated testing techniques and quality engineering practices
  • Solid understanding of Agile methodologies and Continuous Integration processes
  • Familiarity with low-latency system design, including performance optimization, concurrency, and high-throughput architecture
  • Ability to prioritize multiple tasks, set goals, and meet deadlines in a fast-paced, globally distributed environment
  • Excellent communication skills with a demonstrable ability to present and grasp complex concepts in a multicultural, cross-regional environment
  • Knowledge of regional exchange microstructure and regulatory regimes
  • Bachelor's degree / University degree in Computer Science, Engineering, or a related field, or equivalent professional experience

Nice to have

Prior experience in managing small teams is a plus

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