Quantitative Developer

Robert Half Technology are assisting a market-leading financial services organisation to recruit a Quantitative Developer on a contract basis. This role offers a hybrid working model, based in London.

• Design, develop, and maintain quantitative libraries, models, and tools supporting trading, pricing, and risk management.

• Collaborate with quantitative analysts, data scientists, and traders to implement and optimise models in production environments.

• Build and enhance high-performance systems for data processing, pricing, and simulation.

• Translate complex mathematical models into robust, efficient, and maintainable code.

• Ensure system reliability, scalability, and low latency across all components.

• Participate in model validation, performance tuning, and version control processes.

• Stay up to date with advances in quantitative finance, computational techniques, and emerging technologies.

• Strong programming experience in Python, C++, or C#; knowledge of NumPy, Pandas, and QuantLib advantageous.

• Solid understanding of mathematics, statistics, and numerical methods - including stochastic calculus, Monte Carlo simulation, and optimisation.

• Familiarity with derivatives pricing, risk metrics, and financial instruments across asset classes.

• Experience building low-latency systems and optimising performance for computational workloads.

• Proficient in working with SQL and managing large financial datasets.

• Knowledge of cloud platforms (Azure, AWS) and DevOps tools (Git, CI/CD) desirable.

• Excellent problem-solving and analytical skills, with a keen attention to detail.

• Strong communication and collaboration skills, capable of working closely with technical and non-technical stakeholders.

• Market-leading financial services organisation headquartered in London.

• Collaborative culture with exposure to cutting-edge financial technology and quantitative research.

• Hybrid working environment.

The day rate or salary range is dependent upon experience, qualifications, and technical capability.

Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: gb/en/privacy-notice.