Hybrid Quant Analyst, Cash Equity Electronic Execution

Citigroup Inc.; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model (3 in office/2Remote

Exposure to EMEA equity markets

Competitive compensation

Job summary

Citigroup Inc. is seeking a Quantitative Analyst for its EMEA Electronic Execution team. You will drive microstructure research, algorithmic trading analysis, and platform development for Cash Equity across EMEA markets.

You will collaborate with trading, advisory, and technology teams to deliver research and build systems that impact real market outcomes, with a hybrid work model and opportunities for professional growth.

Qualifications

• Hands-on experience in execution algorithm development or analytics in financial services.
• Proficiency in Java for production system development in electronic trading.
• Proficiency in Python and kdb for quantitative research, backtesting and data analysis.
• Master's or PhD in Financial Mathematics, Computer Science, Physics, or related field.
• Strong written and verbal communication for presenting complex quantitative findings.

Responsibilities

• Research and analyze EMEA equity market microstructure to generate actionable insights.
• Design and backtest quantitative research projects on algorithmic trading strategies with Python and kdb.
• Build and support the electronic execution platform using production-quality Java components.
• Monitor client execution performance and translate findings into improvements.
• Collaborate with Sales Trading and Execution Advisory to align research with business needs.
• Partner with Legal, Compliance, Risk, Audit, and Finance to maintain governance and controls.
• Assess risk and reward in business decisions to protect clients and firm reputation.

Skills

Execution algorithm development

Quantitative modeling

Java proficiency

Python proficiency

kdb proficiency

Communication skills

Education

Master's or PhD in Financial Mathematics / CS / Physics

Tools

Java

Python

kdb

Job description

Citigroup Inc. is seeking a Quantitative Analyst for its EMEA Electronic Execution team. You will drive microstructure research, algorithmic trading analysis, and platform development for Cash Equity across EMEA markets.

You will collaborate with trading, advisory, and technology teams to deliver research and build systems that impact real market outcomes, with a hybrid work model and opportunities for professional growth.