[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Citigroup jobs](https://jobs.opennash.com/companies/citigroup/) · [Search jobs](/search/) Citigroup · London United Kingdom # Quantitative Analyst -Cash Equity Algorithmic Trading - Director London United Kingdom Director Executive & Management Listed on Citigroup’s official careers site. Posted October 17, 2026. Check that it is still open and apply there. [Apply on Citigroup’s careers site →](https://citi.wd5.myworkdayjobs.com/2/job/London--United-Kingdom/Quantitative-Analyst--Cash-Equity-Algorithmic-Trading---Director_26979507) [OpenNash Jobs](https://jobs.opennash.com/) / [Citigroup](https://jobs.opennash.com/companies/citigroup/) / Quantitative Analyst -Cash Equity Algorithmic Trading - Director ## Job description We are seeking a strategic Senior Quantitative Analyst to develop and scale our cash equity algorithmic trading electronic execution platform. In this role, you will leverage cutting-edge AI technologies and mathematical methods to research EMEA equity market microstructure and drive platform innovation. If you thrive on complex quantitative deliverables and want to shape our directional trading strategy, this role offers significant growth and impact. ### Responsibilities Build and scale our cash equity electronic execution platform using Java, Rust, and advanced AI technologies to power the next generation of algorithmic trading systems. Conduct EMEA equity market microstructure research, applying advanced statistics, probability, and mathematical finance to extract actionable trading insights. Backtest and prototype quantitative research strategies, leveraging Python and kdb+ to validate and optimize algorithmic trading models. Monitor and analyze client trading performance, delivering quantitative insights that optimize execution quality and client outcomes. Partner with Sales Trading, Execution Advisory Services, and technology teams to align our platform capabilities with evolving business needs. Collaborate with control functions—including Risk, Compliance, Legal, and Finance—to ensure robust governance and maintain a strong control infrastructure. Maintain a focus on risk management and ethical practices, ensuring trading decisions protect our clients, reputation, and assets. Complete and maintain all required professional registrations and licenses within the designated timeframes to support regulatory compliance. ### Required qualifications and skills Extensive background in quantitative modeling or analytics, ideally within the financial sector, focusing on algorithmic trading systems. Deep proficiency in Java and Python, with a strong foundation in software design and development principles. Proven experience applying probability theory, statistics, and mathematical finance to solve complex analytical equations and analyze market data. Demonstrated experience utilizing AI technologies to design and build high-performance trading applications. Master's or PhD degree in a quantitative field (such as Mathematics, Financial Engineering, Physics, or Computer Science), or equivalent practical experience in a relevant field. Strong written and verbal communication skills, with the ability to explain complex quantitative concepts to technical and non-technical partners. ### Beneficial skills and qualifications Hands-on experience with Rust and kdb+/Q for real-time data analysis and high-frequency trading. Familiarity with EMEA equity market microstructure and cash equity execution dynamics. Direct experience collaborating with risk management, compliance, or legal teams in a regulated global environment. What we offer You will grow your career locally or explore international opportunities, supported by our investment in your professional development through training and mentorship programs. You can expect a flexible work environment with our hybrid model, which blends in-office collaboration with remote flexibility to support your work-life balance. You'll thrive in an innovative, inclusive culture where diverse perspectives are celebrated, and you will collaborate closely with world-class sales trading, execution advisory, and technology professionals. You can leverage comprehensive wellness benefits, including medical coverage, mental health resources, parental and family support, and competitive retirement planning. If you are ready to drive innovation in algorithmic trading and make a global impact, apply today to join our team at Citi. #LI-COF ------------------------------------------------------ Job Family Group: Institutional Trading ------------------------------------------------------ Job Family: Quantitative Analysis ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ 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. ## At a glance - Posted by the employer: Oct 17, 2026 - First seen by OpenNash: Aug 20, 2026 - Last checked: Oct 20, 2026 - Listed for: 61 days - Location: London United Kingdom[Apply on Citigroup’s careers site →](https://citi.wd5.myworkdayjobs.com/2/job/London--United-Kingdom/Quantitative-Analyst--Cash-Equity-Algorithmic-Trading---Director_26979507) ## More jobs at Citigroup ### [Client Advisor, Services, Senior Vice President](https://jobs.opennash.com/companies/citigroup/jobs/f4c55d67951563e1ff53/) London United Kingdom ### [Corporate Banker - Real Estate - Director](https://jobs.opennash.com/companies/citigroup/jobs/1ea4a5fc4007f4231e0f/) London United Kingdom ### [Cross Asset XVA Quantitative Analyst - Vice President](https://jobs.opennash.com/companies/citigroup/jobs/d4aa0c77a5372133a31e/) London United Kingdom ### [Director, Head of Billing - Services](https://jobs.opennash.com/companies/citigroup/jobs/da6bb92fde60db3c7984/) London United Kingdom ### [Director, UK Asset Managers Head - Services](https://jobs.opennash.com/companies/citigroup/jobs/46c316caf037fc8c3ab4/) London United Kingdom ## Similar jobs at other companies ### [Full Stack Developer - Cash Equity](https://jobs.opennash.com/companies/hsbc-holdings/jobs/993dfee159740bb6bc7b/) HSBC Holdings · Toronto, Ontario, Canada ### [Global Markets - Cash Equity Execution Junior Trader - Spain](https://jobs.opennash.com/companies/bbva-banco-bilbao-vizcaya-argentaria/jobs/447831be853ddda17932/) BBVA-Banco Bilbao Vizcaya Argentaria · MADRID ### [Quantitative Trading & Research – Rates Quantitative Trader – Analyst or Associate](https://jobs.opennash.com/companies/jpmorganchase/jobs/a7ee92664ba35eab1fe0/) JPMorganChase · LONDON, United Kingdom ### [Senior Quantitative Analyst (Contract)](https://jobs.opennash.com/companies/totalenergies/jobs/a5dcd184a5c513d7d1ef/) TotalEnergies ### [Cash Operations Analyst](https://jobs.opennash.com/companies/jpmorganchase/jobs/6f60d68856722ead5c59/) JPMorganChase · Taipei, Taiwan [Executive & Management jobs](/functions/executive-management/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)