Quantitative AI Tech Staff — ML for Real-Time Markets

Citadel Securities; Miami (FL); On-site; USD 180,000 - 260,000; Full time

Job summary

Citadel Securities is seeking an entry‑level Quantitative AI Technical Staff to build ML applications that move real money. You will read research papers, profile training runs, and write production‑quality code, balancing research curiosity with engineering rigor.

You will pursue independent directions with strong compute and dedicated engineering support, improving models from feature design to trading deployment. Prior finance experience is not required, and growth is encouraged.

Qualifications

• Strong software engineering fundamentals and ability to write clean, efficient, correct code.
• Deep learning expertise with hands‑on experience training and debugging models.
• Results‑oriented, with curiosity and growth mindset.
• Interest in how markets work and why trades are profitable, even without finance background.

Responsibilities

• Model research: design and train deep‑learning models predicting price movements.
• Enable ML across the firm by building scalable systems and tooling for researchers.
• Tackle high‑impact market problems and develop solutions that translate to real trading outcomes.
• From prediction to trading decisions, simulate trades and support end‑to‑end AI‑driven workflows.

Skills

Software engineering

Deep learning

ML systems

Research

Education

Bachelor’s degree

Master’s degree

PhD

Tools

PyTorch

JAX

LLM agents

Job description

Citadel Securities is seeking an entry‑level Quantitative AI Technical Staff to build ML applications that move real money. You will read research papers, profile training runs, and write production‑quality code, balancing research curiosity with engineering rigor.

You will pursue independent directions with strong compute and dedicated engineering support, improving models from feature design to trading deployment. Prior finance experience is not required, and growth is encouraged.