Senior Quantitative Researcher: Alpha ML Signals

X4 Alpha; New York (NY); On-site; USD 250,000 - 350,000; Full time

Benefits offered by this job

Discretionary bonus

Job summary

X4 Alpha seeks exceptional quantitative researchers to join a high-performance, collaborative trading firm. The team includes mathematicians, physicists, ML researchers, and experienced portfolio managers.

You will research and build alpha across horizons, extract signals from large datasets, and deploy ML models while owning projects end-to-end.

Requirements include 4–10+ years buy-side experience in equities or futures, strong Python, and a technical degree; PhD preferred.

Qualifications

• 4–10+ years of buy-side quantitative research experience
• Experience in equities and/or futures, preferably global markets
• Track record backed by PnL, Sharpe, or clearly measurable signal impact
• Strong Python skills; C++ preferred but not required

Responsibilities

• Research and build alpha across horizons from seconds to minutes, hourly/ intraday OR multi-day
• Extract signals from massive structured and unstructured datasets using AI/ML methods
• Dive into market microstructure and cross-sectional patterns
• Design and deploy ML models (RL, transformers, etc.)
• Shape feature pipelines, model-fitting workflows, and statistical tools
• Own projects end-to-end in a high-performance research culture

Skills

Python

C++

Quantitative research

ML methods

Education

PhD preferred

Technical degree (MS/BSc)

Job description

X4 Alpha seeks exceptional quantitative researchers to join a high-performance, collaborative trading firm. The team includes mathematicians, physicists, ML researchers, and experienced portfolio managers.

You will research and build alpha across horizons, extract signals from large datasets, and deploy ML models while owning projects end-to-end.

Requirements include 4–10+ years buy-side experience in equities or futures, strong Python, and a technical degree; PhD preferred.