Citigroup, Inc

Senior KDB+ Specialist - Equities Technology - Senior Vice President

Citigroup, Inc$176K — $265K *
Finance & Insurance
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Minimum 8+ years in software development focused on high-performance systems in finance.
  • Deep expertise in KDB+ (Q language) with experience in scaling and optimizing queries.
  • Experience with analytics platforms for automated trading in Equities or similar assets.
  • Solid understanding of financial market protocols, particularly FIX.
  • Experience with testing frameworks, Agile methodologies, and CI/CD processes.
  • Strong ability to prioritize, set goals, and meet deadlines in fast-paced settings.
  • Excellent communication skills for conveying complex technical ideas.

Responsibilities

  • Drive technical design discussions and conduct rigorous code reviews for quality and performance.
  • Provide mentorship to developers in high-performance KDB+ application development.
  • Design and optimize low-latency applications for Equities trading analytics.
  • Develop systems for processing market data and generating analytics from large datasets.
  • Contribute to data management platforms and enhance trading functionalities.
  • Collaborate with various teams to introduce new trading capabilities and improve existing systems.
  • Lead continuous improvement in development tools and testing frameworks.

Benefits

  • Comprehensive medical, dental, and vision coverage.
  • 401(k) retirement plan.
  • Life, accident, and disability insurance.
  • Wellness programs and resources.
  • Paid time off including vacation, sick leave, and holidays.
Full Job Description
Job Description

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


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.

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:
Jul 13, 2026

About Citigroup, Inc

Citigroup is a financial services holding company that provides financial products and services. The company operates through two segments, Global Consumer Banking (GCB) and Institutional Clients Group (ICG). The GCB segment offers traditional banking services to retail customers through retail banking, commercial banking, Citi-branded cards, and Citi retail services. The ICG segment offers various banking, and financial products and services to corporate, institutional, public sector, and high-net-worth clients. This segment provides wholesale banking products and services, including fixed-income and equity sales and trading, foreign exchange, prime brokerage, derivative services, equity and fixed-income research, corporate lending, investment banking, and advisory services, private banking, cash management, trade finance, and securities services. Citi is committed to sustainability and social responsibility, and the company invests in initiatives that promote economic progress.

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Learn more about Citigroup, Inc
Market Cap
$1.3 billion
Industry
Net Income
$89.6 million
Founded
1812
5 Year Trend
+4.6%
NASDAQ

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