Join a globally renowned high-frequency trading firm and a highly respected, multi-strategy hedge fund at the forefront of systematic and quantitative research. We are looking for exceptional senior quant researchers/traders to join our systematic trading strategies team in New York City, London or Europe. Competitive compensation & performance-based bonuses Your Role: As a Senior Quantitative Researcher, you will lead the development and optimization of high-frequency trading strategies in traditional financial markets. You will work closely with world-class engineers, quants, and traders to solve complex real-time challenges using advanced quantitative techniques and cutting-edge technology. Key Responsibilities: Develop and optimize systematic, high-frequency trading strategies. Conduct quantitative research to uncover market inefficiencies and improve model robustness. Collaborate with engineering teams to build scalable, low-latency trading systems. Leverage machine learning and statistical methods to enhance signal generation and performance. Mentor junior researchers and foster a culture of technical excellence and collaboration. Who We’re Looking For: Exceptional candidates with an outstanding academic and professional track record. A degree (Master’s or PhD preferred) in a quantitative discipline (e.g., Mathematics, Physics, Computer Science) from a top-tier university. Proven experience developing successful quantitative models—ideally in HFT and/or transaction cost analysis. Strong analytical and innovative thinking skills, with demonstrated proficiency in numerical and statistical tools for signal development. Hands-on problem-solvers who thrive in a collaborative, meritocratic environment marked by intellectual rigor and informality. Proficiency in Python or C++, with an emphasis on high-performance computing and market microstructure. Why Join? Work on cutting-edge strategies within a highly respected global trading firm. Join a collaborative, high-performance team of top-tier talent across quant, engineering, and trading. Competitive compensation, performance-based bonuses, and industry-leading benefits—including childcare support. Full relocation support to New York or Europe. An informal yet intellectually demanding culture that values innovation, impact, and autonomy. For a confidential conversation, contact: tg@barclaysimpson.com