Quantitative Developer – Fixed Income
A Python developer role in the Fixed Income Technology team, which builds trading tools for the sales desk. You work with traders and quant analysts on in-house systems.
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 extend tools for market data, quoting and pricing used by the sales desk
- Add risk and P&L views that traders ask for
- Turn trader and analyst requirements into production software
- Coordinate releases with neighbouring technology teams
What they ask for
Required
- Python (3+ years building data tools)
- NumPy and Pandas or similar array tools
- Communication with traders and analysts
- Understanding of financial models and algorithms (preferred)
Preferred
- Prior quant developer experience
- Interest in capital markets, probability and game theory
- Advanced degree
- Education
- Bachelor's in computer science, applied science or similar preferred; advanced degree a plus
- Experience
- 3+ years developing data tools and applications in Python
- Languages and tools
- Markets
- fixed-income
How to prepare
- Build a bond pricing and yield calculator in Python
- Learn how quoting and risk work on a fixed income sales desk
- Practise array-oriented numerical code with NumPy
- Write a small P&L and position tracker
What to study
- Python for Quantitative Finance
- Fixed Income and Interest-Rate Models
- Financial Instruments, Markets and Conventions
- Professional Quant Practice
The Rates Quant roadmap sets out the stages for this kind of role, with free resources for each.
Open the roadmapApply
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.