Quant Developer – Trading Analytics – Equity Derivatives Tech

Citigroup Inc.; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

27 days leave

Discretionary bonus

Private medical & life insurance

Employee assistance program

Pension plan

Parental leave

Employee discounts

Learning resources

Job summary

Citigroup Inc. seeks a hands-on Quant Developer to build data‑driven, model‑led trading analytics and desk tooling for Sales, Trading, and Quant teams across equity derivatives.

You will partner with traders and quants to deliver production‑grade applications, real‑time pricing, and reusable libraries and APIs, with opportunities to grow within Citi’s globally connected tech ecosystem and benefit from mentorship, flexibility, and hybrid work options.

Qualifications

• Strong software engineering experience in Python and/or Java.
• Proven experience working directly with trading desks to deliver mission‑critical capabilities from concept through production.
• Good understanding of derivatives pricing and risk management, preferably within equities markets.
• Practical experience with agentic development frameworks and patterns.
• Degree in Engineering, Computer Science, Mathematics, Physics, or a related quantitative discipline.

Responsibilities

• Partner with traders and quants to deliver production‑grade applications and services.
• Build real‑time pricing and curve‑marking tools that support customer flows and revenue generation.
• Develop reusable libraries, APIs, and AI agents that accelerate desk workflows.

Skills

Python

Java

Trading desks

Derivatives pricing

Agentic development

Education

Engineering/CS/Math/Physics

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 and quants to deliver production‑grade applications and services.
• Build real‑time pricing and curve‑marking tools that support customer flows and revenue generation.
• Develop reusable libraries, APIs, and AI agents that accelerate desk workflows.

Skillsrequired:

• Strong software engineering experience in Python and/or Java, building enterprise‑grade, cloud‑hosted systems.
• Proven experience working directly with trading desks to deliver mission‑critical capabilities from concept through production.
• Good understanding of derivatives pricing and risk management, preferably within equities markets.
• Practical experience with agentic development frameworks and patterns.
• Degree in Engineering, Computer Science, Mathematics, Physics, or a related quantitative discipline.

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

Visit our About Us | Culture, Values & Benefits page to learn more.

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.

Job Family Group:

Technology

Job Family:

Applications Development

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.