London (On site) · Full time

**Job Description**Citadel is focused on acquiring, cleaning, and analyzing large, unstructured data sets to generate new insights. Given the vast amount of data being produced, Citadel is implementing new research methodologies to identify significant trends. The Sector Data Analyst Team is committed to generating sustained alpha using a scientific approach to generate fundamental investment insights. [...]Read More... from Sector Data Analyst – 2025 Intern (Europe) See details

London (On site) · Internship

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques. You’ll get to challenge the impossible in quantitative research by applying sophisticated and complex statistical techniques to [...]Read More... from Quantitative Researcher – 2025 PhD Intern (Europe) See details

London (On site) · Internship

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques. You’ll get to challenge the impossible in quantitative research by applying sophisticated and complex statistical techniques to [...]Read More... from Quantitative Research Analyst – 2025 Intern (Europe) See details

London (On site) · Internship

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production. As an engineer, you can create systems architectures, develop platforms and build web frameworks. You’ll have access to state-of-the-art tools and apply innovative techniques including distributed computing, [...]Read More... from Software Engineer – 2025 Intern (Europe) See details

London (On site) · Internship

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies across Options, ETFs, Equities, Fixed Income, Commodities and Currencies. As an intern, you’ll get to [...]Read More... from Quantitative Trading – 2025 Intern (Europe) See details

London (On site) · Full time

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques. You’ll get to challenge the impossible in quantitative research by applying sophisticated and complex statistical techniques to [...]Read More... from Quantitative Research Analyst – 2025 University Graduate (Europe) See details

London (On site) · Full time

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production. As an engineer, you can create systems architectures, develop platforms and build web frameworks. You’ll have access to state-of-the-art tools and apply innovative techniques including distributed computing, [...]Read More... from Software Engineer – 2025 University Graduate (Europe) See details

London (On site) · Full time

“`html Role Summary Research Engineers at Citadel Securities are responsible for designing, building, and optimizing our electronic trading platform. Research Engineers will work closely with our researchers, simulation and live traders to perform various functions, including the development of our core trading infrastructure and high-throughput trading systems, and working with the research team to identify [...]Read More... from Senior Quantitative Developer See details

London (On site) · Full time

Role Summary At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques. We’re looking for an extraordinary quantitative researcher who is committed to our core values that [...]Read More... from Quantitative Researcher See details

London (On site) · Full time

At Citadel Securities, our mission is to be the most successful investment team in the world. Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies. You’ll get to challenge the impossible in quantitative research by applying sophisticated and complex statistical techniques to [...]Read More... from Quantitative Researcher – 2025 PhD Graduate (Europe) See details