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Opportunity

Trading Systems Engineering Internship: Summer 2027 (London)

10-week trading-systems internship focused on low-latency C++, trading infrastructure, Python, data tooling, and desk-side development.

London, United Kingdom
Internship
Software Engineering
The role

About the opportunity

Programme: 10 weeks, from late June to late August 2027.

What you will do

  • Develop low-latency C++ trading systems.
  • Solve engineering problems at the intersection of trading, data, and technology.
  • Work alongside senior developers building complex trading strategies.
  • Learn financial markets and Susquehanna's trading approach.

What Susquehanna looks for

  • Class of 2028 bachelor's or master's students in a quantitative or STEM discipline.
  • Strong C++, C, or Rust.
  • Some Python experience.
  • Experience working with data using Pandas, Polars, or NumPy.
  • Strong quantitative, logical-reasoning, and analytical skills.

Interview process

Coding, mathematics, system-design, and behavioural interviews. Applicants must be legally eligible to work in Ireland and the UK. Hiring is rolling and places are limited.