Job description

We are looking for an experienced KDB+ Developer to build and support our strategic analytics backbone that services our Equities Electronic Trading product. This is a VP-level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Citi Equities Electronic Trading Technology team. The overall objective of this role is to lead applications systems analysis and programming activities on our Analytics and Data subsystems. Responsibilities: • Lead the core development and delivery on the KDB+ platform used by Citi's Equities Electronic trading system. • Build and maintain business-critical, low-latency systems for processing high volumes of market data and generating required analytics from large datasets. • Architect and maintain platforms that enable efficient data management, sophisticated analytics generation, and provide data services to other trading applications. • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements. • Resolve a variety of high-impact problems through in-depth evaluation of complex business processes, system processes, and industry standards. • Provide expertise in KDB+ and advanced knowledge of applications programming, ensuring application design adheres to the overall architecture blueprint. • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation. • Develop a comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals. • Serve as an advisor or coach to mid-level developers and analysts, allocating work as necessary. • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Qualifications: • 5+ years of professional experience with a strong understanding of KDB+ technology and the Q language . • Practical experience scaling and load-balancing KDB+ applications. • Proven expertise in building resilient and high-availability KDB+ applications. • Extensive experience managing and optimizing query performance on very large datasets (terabytes/petabytes). • Strong knowledge of financial market protocols (e.g., FIX) and experience in handling order and market datasets. • Consistently demonstrates clear and concise written and verbal communication. • Preferred background in Markets Electronic Trading or Market Making domains. Education: • Bachelor’s degree/University degree or equivalent experience • Master’s degree preferred This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location: Jersey City New Jersey United States ------------------------------------------------------ Primary Location Full Time Salary Range: $142,320.00 - $213,480.00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. 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 citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire. ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Anticipated Posting Close Date: Sept 09, 2026 ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. Illinois residents – AI Notice and Right ------------------------------------------------------ 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 at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.

Requirements

Must-haves

Lead the core development and delivery on the KDB+ platform used by Citi's Equities Electronic trading system.
Build and maintain business-critical, low-latency systems for processing high volumes of market data and generating required analytics from large datasets.
Architect and maintain platforms that enable efficient data management, sophisticated analytics generation, and provide data services to other trading applications.
Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements.
Resolve a variety of high-impact problems through in-depth evaluation of complex business processes, system processes, and industry standards.
Provide expertise in KDB+ and advanced knowledge of applications programming, ensuring application design adheres to the overall architecture blueprint.
Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation.
Develop a comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals.
Serve as an advisor or coach to mid-level developers and analysts, allocating work as necessary.
5+ years of professional experience with a strong understanding of KDB+ technology and the Q language .
Practical experience scaling and load-balancing KDB+ applications.
Proven expertise in building resilient and high-availability KDB+ applications.
Extensive experience managing and optimizing query performance on very large datasets (terabytes/petabytes).
Strong knowledge of financial market protocols (e.g., FIX) and experience in handling order and market datasets.
Consistently demonstrates clear and concise written and verbal communication.
Bachelor’s degree/University degree or equivalent experience
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
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Technology ------------------------------------------------------
Applications Development ------------------------------------------------------
Full time ------------------------------------------------------
Jersey City New Jersey United States ------------------------------------------------------

Nice-to-haves

Preferred background in Markets Electronic Trading or Market Making domains.
Master’s degree preferred

Application prep

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Keywords to mirror

aiaccessibility

Platform: eightfold
Effort: medium

Benefits

Benefits detected in the listing.

Dental

Vision

401(K)

Paid Time Off

Wellness