Quant jobs / Susquehanna International Group (SIG)

Quantitative Systematic Trading Internship – PhD Summer 2027

A ten-week summer internship for PhD students, mirroring the work of full-time systematic research and trading teams. It combines a taught core curriculum with an end-to-end strategy simulation project.

What you’d work on

Our reading of the posting: what a new hire in this role would most likely spend their first months on.

Complete a core curriculum covering trading, programming, data analysis, modelling and machine-learning tools
Research a model and turn it into a trading strategy for the summer project
Run the strategy on high-fidelity historical data and iterate on daily performance feedback
Pair with a mentor and compare ideas with other interns

What they ask for

Required

Probability and statistics
Optimisation and numerical methods
Python for research
Working with large datasets
Communication
PhD student in penultimate or final year, or postdoc

Preferred

C++
Scientific or high-performance computing

Education: PhD student in penultimate or final year in summer 2027, or postdoc, in a quantitative discipline
Experience: Current PhD students and postdocs; no finance experience stated
Languages and tools: Python
C++

How to prepare

Build a small end-to-end strategy: idea, data, signal, backtest, cost model and written evaluation
Practise iterating on a model against a hidden test period without leaking information
Brush up probability, regression and optimisation
Learn basic trading terms such as spreads, order books and market making

What to study

The Quantitative Researcher roadmap sets out the stages for this kind of role, with free resources for each.

Open the roadmap

Apply

Read the full posting on Susquehanna International Group (SIG)’s site before applying: requirements, location and pay can change after we check them.

View the posting on Susquehanna International Group (SIG)’s site ↗

SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with Susquehanna International Group (SIG) and doesn’t handle applications.