Quantitative Developer

Caxton Associates; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global trading and investment firm in London is seeking a Quantitative Developer to join their Quantitative Development & Data team. The role involves building and maintaining quantitative libraries in Python, developing web services, and promoting best coding practices. Ideal candidates will have 3-5 years of experience and a Bachelor's degree in a quantitative discipline, with strong skills in Python and SQL.

Qualifications

• 3–5 years of relevant experience.
• Excellent quantitative reasoning and software design skills.
• Professional proficiency in Python.

Responsibilities

• Build and maintain quantitative libraries in Python.
• Develop scalable web services for applications and front-office users.
• Create front-end tools for market monitoring and risk management.

Skills

Quantitative reasoning

Software design

Python

SQL

Communication skills

Education

Bachelor’s degree in a quantitative discipline

Tools

C#

Java

C++

AWS

Job description

Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Monaco, Singapore, and Dubai. The firm manages client and proprietary capital through global macro hedge fund strategies, trading across a broad range of global markets and instruments.

About the Role

Caxton is seeking a Quantitative Developer to join the Quantitative Development & Data (QDD) team. QDD is responsible for the architecture and development of libraries, web services, dashboards, and databases that support portfolio managers' alpha generation, strategy deployment, and risk management. The team operates in both London and New York, working closely with the Quantitative Analytics Group and trading staff.

Responsibilities

• Build and maintain quantitative libraries in Python
• Develop and maintain scalable web services for applications and front‑office users
• Promote best coding practices across the firm
• Create front‑end tools for market monitoring, trade screening, and risk management (web dashboards or Excel tools backed by robust libraries or web services)
• Design and build data solutions and ETLs (using SQL, No‑SQL, C#, and Python) for market data, quantitative analytics, and alpha generation

Requirements

• 3–5 years of relevant experience
• Bachelor’s degree, preferably in a quantitative discipline
• Excellent quantitative reasoning and software design skills
• Professional proficiency in Python
• Strong grasp of SQL and relational database fundamentals
• Strong verbal and written communication skills
• Highest degree of ethics and integrity

Nice to Have

• Knowledge of financial instruments & data: FX, Futures, Interest‑Rate derivatives, Options
• Proficiency in another programming language such as C#, Java, or C++
• Web development skills
• Experience with AWS