Quant jobs / Susquehanna International Group (SIG)

C++ Developer – Trading Strategies (Index Desk)

A low-latency C++ developer role building trading systems for the index desk. The developer works directly with traders, strategy developers and quants.

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.

Build and speed up low-latency trading systems for the desk
Collect requirements from traders and ship quickly
Investigate new technologies to keep latency low
Work with strategy developers and researchers

What they ask for

Required

5+ years of software development or HFT infrastructure
Object-oriented C++ for high-throughput systems
Linux
Latency reduction methods
Attention to detail
Bachelor's in CS, engineering, maths or similar

Education: Bachelor's in computer science, engineering, maths or similar
Experience: 5+ years of software or HFT infrastructure development
Languages and tools: C++
Markets: equities

How to prepare

Write a low-latency order handling component in C++ and measure it with perf tools
Study kernel bypass, lock-free queues and cache effects
Learn how index and ETF arbitrage works
Practise reading flame graphs and latency histograms

What to study

The HFT Quant Developer 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.