Job Description
Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernized post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑caliber engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.
We are seeking a highly skilled and experienced KDB+ Specialist to be a key contributor to the strategic analytics backbone that services our Equities Electronic Trading product. This is a senior-level position responsible for the design, development, and optimization of critical application systems and programs, working in coordination with the Citi Equities Electronic Trading Technology team. The overall objective of this role is to drive technical implementation and innovation across our analytics and data subsystems and to serve as a subject matter expert within the team.
Responsibilities:
- Drive technical design discussions and conduct rigorous code reviews to ensure high quality, performance, and adherence to architectural standards.
- Provide technical guidance and mentorship to other developers, fostering best practices in high-performance KDB+ application development.
- Design, develop, and optimize high-performance, low-latency applications utilizing KDB+/Q for our Equities Electronic Trading platform's analytics and data subsystems.
- Build and maintain business-critical, high-frequency systems to process market data and generate sophisticated analytics from large-scale datasets.
- Contribute to platforms enabling efficient data management, sophisticated analytics generation, and robust trading functionalities.
- Partner with product development, quantitative researchers, and other technology teams to deliver new trading capabilities and enhance existing systems.
- Drive continuous improvement initiatives in testing frameworks, development tools, and deployment processes for low-latency and high-throughput environments.
- Resolve complex technical challenges through in-depth analysis of business and system processes, adhering to industry best practices and architectural blueprints.
- Apply advanced knowledge of system architecture, data flow, and development standards for coding, testing, debugging, and implementation.
- Build common solutions for trading platform monitoring, trade reconciliation, and application recovery.
- 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:
- Minimum 8+ years of hands-on experience in software development with a strong focus on high-performance, low-latency systems in a financial domain.
- Proven, deep expertise in KDB+ (Q language) development, with extensive practical experience in scaling, load-balancing, resilience, and optimizing query performance for large, high-frequency datasets.
- Experience designing and developing analytics platforms for automated trading systems in Equities or other similar asset classes.
- Solid understanding of financial market protocols like FIX, and practical experience handling order and market datasets.
- Demonstrable experience with testing frameworks, Agile methodologies, and Continuous Integration/Continuous Delivery (CI/CD) processes.
- Ability to prioritize multiple tasks, set goals, and meet deadlines in a fast-paced environment.
- Excellent communication skills with a demonstrable ability to present and grasp complex technical and business concepts.
- Preferred background in Markets Electronic Trading or Market Making domains.
Education:
- Bachelor’s degree/University degree or equivalent experience
- Master’s degree preferred
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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:$176,720.00 - $265,080.00
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.
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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:Aug 14, 2026------------------------------------------------------
Automated Processing and AIWe 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
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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.
Skills Required
- 8+ years hands-on software development focused on high-performance, low-latency systems in financial domain
- Proven deep expertise in KDB+ and Q language development, including scaling, load-balancing, resilience, and query optimization
- Experience designing and developing analytics platforms for automated trading systems (Equities or similar)
- Solid understanding of financial market protocols such as FIX and experience handling order and market datasets
- Experience with testing frameworks, Agile methodologies, and Continuous Integration/Continuous Delivery (CI/CD) processes
- Ability to prioritize multiple tasks, set goals, and meet deadlines in a fast-paced environment
- Excellent communication skills with ability to present and grasp complex technical and business concepts
- Bachelor's degree or equivalent experience
- Master's degree
- Background in Markets Electronic Trading or Market Making domains
Citi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.
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Healthcare Strength — Health coverage is presented as comprehensive, including free in-network preventive care, mental-health resources, and the Be Well Program. Materials also state new hires have access to health and insurance benefits from the outset.
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Retirement Support — The retirement plan offers a $1-for-$1 match up to 6% of eligible pay. New employees are eligible for the plan, with automatic enrollment after 90 days if they do not enroll themselves.
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Inclusive Benefits Coverage — Benefits highlight fertility treatment coverage, adoption/surrogacy reimbursement up to $30,000, and disability coverage. Coverage extends to spouses and domestic partners regardless of gender identity or sexuality, with gender-affirming care-related support noted.
Citi Insights
What We Do
Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.
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