KDB+ Developer - Vice President

Citi; New York (NY); Hybrid; USD 142,000 - 213,000; Full time

Job summary

Citi in Jersey City, New Jersey, is seeking a KDB+ Developer at Vice President level to build and support the analytics backbone for the Equities Electronic Trading product.

You will lead core KDB+ development, optimize low-latency data processing, and architect scalable analytics platforms. You’ll partner with trading and technology teams to deliver resilient systems, guide junior staff, and ensure risk and regulatory compliance across projects.

Qualifications

• 5+ years of professional experience with KDB+ and Q language.
• Experience scaling and load-balancing KDB+ apps.
• Proven expertise in building resilient, high-availability KDB+ applications.
• Extensive experience optimizing queries on terabytes/petabytes of data.
• Strong knowledge of financial market protocols (e.g., FIX).
• Clear and concise written and verbal communication.

Responsibilities

• Lead the core development and delivery on the KDB+ platform used by Citi's Equities Electronic trading system.
• Build and maintain low-latency systems for processing large market datasets and analytics.
• Architect and maintain data platforms enabling efficient data management and analytics generation.
• Collaborate with management teams to integrate functions and define system enhancements.
• Resolve high-impact problems by evaluating complex business and system processes.
• Provide expertise in KDB+ and ensure design adheres to architecture blueprint.
• Develop standards for coding, testing, debugging, and deployment.
• Gain comprehensive knowledge of how business areas integrate to meet goals.
• Coach mid-level developers and analysts, allocating work as needed.
• Assess risk in business decisions, ensuring compliance with laws and Citi policies.

Skills

KDB+ (Q language)

Low-latency systems

High-availability apps

Query performance tuning

Financial market protocols (FIX)

Communication skills

Education

Bachelor’s degree or equivalent

Master’s degree preferred

Job description

KDB+ Developer - Vice President

Location(s)

Jersey City, New Jersey, United States

Job Type

Hybrid

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

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 (opens in new window)

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 (opens in new window). View Citi’s EEO Policy Statement (opens in new window) and the Know Your Rights (opens in new window) poster.