Quantitative Strategy Developer Internship: Summer 2027 (London)

About the role

A 10-week summer 2027 internship for quantitative STEM students developing trading strategies across signal creation, quantitative analysis, and low-latency C++. Based between Dublin and London, the role combines software engineering, data analysis, market education, and collaboration with senior strategy developers.

Responsibilities

• Develop and analyse quantitative trading strategies for Susquehanna’s trading strategy development teams.
• Create and detect signals using data-driven and quantitative techniques.
• Work on low-latency C++ strategy development projects.
• Collaborate with senior developers to build complex trading strategies.

Training and Collaboration

• Attend classes covering options pricing, machine learning, data analysis, game theory, trader talks, and trading games.
• Receive an intensive introduction to financial markets and Susquehanna’s approach to trading.
• Collaborate with colleagues who share interests in mathematics, problem-solving, game theory, and technology.

Requirements

• Be a bachelor’s or master’s student in the penultimate year of a quantitative or STEM discipline.
• Study a subject such as computer science, computer engineering, mathematics, or data science.
• Intend to graduate and begin full-time employment by August 2028.
• Demonstrate strong Python and compiled-language software development skills.
• Have experience with data libraries including Pandas, Polars, or NumPy.
• Show exceptional quantitative, logical reasoning, analytical, communication, and problem-solving skills.

Application Process

• Applications are reviewed on a rolling basis, with limited places available for the 2027 internship.
• Candidates are strongly encouraged to apply early.
• The interview process includes coding, mathematics, system design, and behavioural interviews.
• Applicants must be legally eligible to work in Ireland and the United Kingdom.

Program Logistics and Benefits

• The internship runs for 10 weeks, from late June to late August 2027.
• The program is based between Susquehanna’s EU headquarters in Dublin and London office.
• Interns receive accommodation in Dublin if joining from outside the city.
• Benefits include free catering, a games room, an in-house gym, and weekly social events.