Quant Developer — Trading Analytics — Equity Derivatives Tech

06500 Citigroup Global Markets Limited London, England Posted This week

Full Time
Hybrid

Job description

Quant Developer – Trading Analytics – Equity Derivatives Tech

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

Equities Tech

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 modernised 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‑calibre engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.

The Team

Citi’s Equities Technology organisation is investing in front-office quantitative development to support the Derivatives Flow, Delta 1, and Exotics desks. We are hiring a hands-on quantitative developer to build data-driven, model-led trading analytics and desk tooling for Sales, Trading, and Quant teams, supporting pricing, signal generation, backtesting, risk analysis, and real-time market insight.

Role Overview

  • Partner with traders, quants, and structurers to deliver production-grade models, workflows and front-office applications.
  • Build real-time pricing, risk, and market-data capabilities for positions, Greeks, P&L, exposures, and execution monitoring.
  • Develop data pipelines and services for market and trade data, supporting idea generation, volatility and flow analysis, basket and index insights, and hedging.
  • Strengthen the desk technology stack with reusable libraries, APIs, and robust engineering practices.
  • Optimise quantitative applications for performance, scalability, and reliability.
  • Skills required:

  • Strong experience with the Python data engineering stack, including Polars, Parquet, FastAPI, Jupyter, Airflow, Streamlit, and Ray.
  • Experience with high-performance data stores and query engines such as Trino and KDB.
  • Experience with financial products such as equities, options, and futures.
  • Demonstrable experience with agentic frameworks for software development and AI-native solutions using context-engineering techniques.
  • A degree in quantitative discipline such as Engineering, Applied Mathematics, Physics, Software Engineering.
  • This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

    What we’ll provide you

    By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

    #LI-AP2

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    Job Family Group:

    Technology

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    Job Family:

    Applications Development

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    Time Type:

    Full time

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    Most Relevant Skills

    Please see the requirements listed above.

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    Other Relevant Skills

    For complementary skills, please see above and/or contact the recruiter.

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