Applied AI Research Engineer| Experienced Hire
Susquehanna International Group2 days ago
Responsibilities
- Research and develop machine learning models to improve trading strategies using noisy, non-stationary, low-signal-to-noise data.
- Design and run rigorous, reproducible experiments to improve predictive signals and trading performance.
- Take models from prototype through production deployment and monitor and diagnose live performance.
- Partner directly with traders to translate open-ended questions into practical prediction problems.
- Own the end-to-end research process, including environments, experiments, deployment, and monitoring.
Requirements
- PhD, MS, or bachelor's degree in computer science, machine learning, statistics, mathematics, physics, or a related field.
- Deep hands-on expertise in language models, sequential modeling, or forecasting with noisy labels and non-stationary data.
- Experience shipping models to production outside academia where real decisions depended on them, with the ability to explain how impact was measured.
- Rigorous experimental practices including time-aware validation, leakage checks, strong baselines, and reproducible runs.
- Strong Python skills and hands-on experience with Linux, Git with code review, and shared codebases.
- Ability to reason about end-to-end system design, bottlenecks, and failure modes.
- Ability to work independently in a fast-paced environment with evolving priorities.
- Clear communication of technical work and curiosity about financial markets.
Categories
About Susquehanna International Group
Susquehanna International Group (SIG) is a privately held quantitative trading firm and global market maker that uses proprietary technology and research to trade equities, options, ETFs, fixed income, and other derivatives. It earns revenue from proprietary trading and providing market liquidity, and also operates institutional sales & research and venture capital/private equity businesses. Founded in 1987 and headquartered in Bala Cynwyd, Pennsylvania, SIG has offices across North America, Europe, and Asia.