Job Title: Job Title: Quantitative Developer Location: London, UK (Hybrid

3 days onsite per week) Contract Type: Inside IR35 Experience 10+ years of professional experience as a Quantitative Developer or Senior Software Engineer within financial services.

Role Overview We are seeking an experienced Quantitative Developer to build and enhance high-performance trading and analytics platforms. The role involves close collaboration with quantitative researchers and trading teams to deliver robust, scalable, and production-ready systems in a fast-paced environment. Key Responsibilities Design, develop, and maintain high-performance trading, pricing, and analytics systems

Implement quantitative models and strategies using C/C++ and Python

Optimise applications for low latency, high throughput, and stability

Work extensively in Linux environments , including automation via shell scripting

Collaborate with quants, traders, and technology teams to productionise research

Troubleshoot complex production issues and drive continuous performance improvements

Adhere to best practices for code quality, testing, and version control using Git

Required Skills & Experience Expert-level development experience in C and/or C++

Strong hands-on experience with Python in production environments

Deep knowledge of Linux systems , performance tuning, and debugging

Proficiency in shell scripting (Bash or similar)

Strong experience with Git and collaborative development workflows

Proven experience delivering mission-critical systems in financial services

Desirable Skills Background in quantitative finance, trading systems, or capital markets

Experience with low-latency architectures, multithreading, and concurrency

Understanding of numerical methods, statistics, or financial models

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