Quantitative Developer

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