Quantitative Analyst/Model Validator

Responsibilities

• Perform independent validation of algorithmic trading models, pricing models, and risk engines.
• Review and challenge production-quality C++ implementation to ensure code behavior is consistent with documented methodology.
• Analyse and validate systematic trading strategies, including statistical arbitrage and model-driven execution logic.
• Assess model assumptions, inputs, parameterization, calibration, and governance arrangements.
• Support validation testing using Python, including benchmark analysis, sensitivity analysis, and scenario testing.
• Manage datasets for validation work, including data extraction, cleansing, and integrity checks.
• Produce high-quality technical validation documentation using LaTeX.
• Support the development of validation tooling and data workflows to improve review efficiency.

Requirements

• Strong programming capability in C++ and Python.
• Proven ability to read, understand, and challenge production-quality C++ code used in quantitative models.
• Familiarity with statistical arbitrage and systematic trading (factor models, mean-reversion, etc.).
• Experience reviewing quantitative model implementation and identifying software-based weaknesses.
• Proficiency in creating well-structured technical documents using LaTeX.
• Master’s degree or PhD in Mathematics, Physics, Engineering, Quantitative Finance, Computer Science, or a related field.

Preferred Qualifications

• Experience developing quantitative trading systems in C++.
• Familiarity with market microstructure and order-driven trading systems.
• Exposure to AI/ML applications in trading or risk management.
• Knowledge of stochastic processes, numerical methods, and computational finance.
• A software development mindset with an interest in building technical validation infrastructure.

About the Company

Marex Group plc is a diversified global financial services platform providing essential liquidity, market access, and infrastructure services across energy, commodities, and financial markets. With over 40 offices worldwide and more than 2,300 employees, the group provides comprehensive coverage across clearing, agency, execution, market making, and hedging solutions.