SVP Senior KDB+ Platform Engineer

Citi’s Equities Technology organization is seeking a hands‑on Senior Software Engineer to join the Equities Time series group, a strategic, horizontal platform organization responsible for order data, tick data, and real‑time and historical Transaction Cost Analytics (TCA) supporting global Equities trading.

The role will focus on strategic time‑series data platforms that provide analytics, canonical data models, and performance‑critical infrastructure for electronic execution worldwide, including Algorithmic Trading and Smart Order Routing (SOR).

• Design and develop next‑generation time‑series analytics platforms supporting multiple execution‑critical systems within the Equities Time series organization.
• Own and evolve high‑performance KDB+/q (or equivalent) platforms used for order, execution, market data, and TCA analytics, across both real‑time and historical use cases.
• Define, govern, and maintain canonical time‑series schemas and data models shared across Algorithmic Trading, SOR, and other electronic execution consumers.
• Contribute to architectural decisions for ultra‑low‑latency, high‑throughput systems, ensuring analytics can operate under microsecond‑level constraints.
• Partner closely with traders and quantitative researchers to co‑design and product ionize analytics, translating research ideas into reliable, production‑grade time‑series systems.
• Drive high standards in code quality, automated testing, and SDLC discipline, with a focus on analytics correctness and repeatability.
• Continuously improve testing frameworks, development tools, and environments to support platform reliability at scale.
• Leverage Citi’s AI‑powered SDLC tooling to enhance developer productivity, code quality, and innovation.
• Build and maintain shared platform capabilities for monitoring, reconciliation, traceability, recovery, and auditability of electronic trading analytics.

• 12+ years of hands‐on engineering experience with deep technical expertise in low‑latency time series databases, using KDB+/q. Experience in Java, C++ is desired.
• Deep expertise in KDB+/q or equivalent high‑performance time‑series platforms, with demonstrated ownership of production systems.
• Prior experience building or owning Algorithmic Trading, SOR, Market Making, or Quantitative Trading time‑series platforms at a global financial institution.
• Strong understanding of market microstructure, electronic execution workflows, and regional exchange and regulatory regimes.
• Proven ability to design and operate systems where analytics correctness is non‑negotiable, even under extreme performance constraints.
• Strong understanding of performance optimization, and high‑throughput architectures.
• Experience defining and governing shared data models used by multiple downstream systems.
• Ability to prioritize multiple initiatives and deliver in a fast‑paced, globally distributed environment.
• Excellent communication skills, with the ability to reason and explain complex systems to engineers, quants, and trading stakeholders.

Bachelor’s degree/university degree in Computer Science, Engineering, or a related field, or equivalent professional experience.

Salary range: $ - $.

Citi offers competitive employee benefits, including medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit  Available offerings may vary by jurisdiction, job level, and date of hire.

Jersey City, New Jersey, United States.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, review Accessibility w Citi’s EEO Policy Statement and the Know Your Rights poster.