ML Data Scientist for Quant Research & Data Pipelines

AQR Capital Management; Greenwich (CT); On-site; USD 180,000 - 200,000; Full time

Benefits offered by this job

Annual bonus

Benefits package

Job summary

AQR Capital Management is seeking an experienced data engineer/quantitative data specialist to join the team in Greenwich, CT. You will build data pipelines, ensure data quality, and prepare research-ready datasets for ML projects, collaborating with researchers and engineers.

Ideal candidates bring 4+ years of relevant work experience, strong Python/SQL skills, and a track record of working with structured and unstructured data, data validation, and knowledge graphs.

Qualifications

• 4+ years of relevant work experience.
• Strong Python programming skills with pandas and NumPy.
• Strong SQL skills with PostgreSQL.
• Experience with structured and unstructured data.
• Experience with data quality, validation, monitoring, and profiling.
• Experience with Git, PyTest, CI/CD, and API development.
• Ability to reason through edge cases and maintain data definitions and quality checks.
• Ability to work independently and communicate with stakeholders.
• Strong visualization skills.

Responsibilities

• Partner with researchers to understand needs of ML projects and produce data for models.
• Transform raw data into project-specific, research-ready datasets.
• Perform feature generation and deliver datasets to researchers.
• Resolve tagging and linkage across signals, text, and securities.
• Build data quality assurance, monitoring, and profiling workflows.
• Create point-in-time mappings and knowledge graphs for corporate events.
• Onboard alternative datasets and ensure data reliability for trading strategies.
• Collaborate across researchers and projects as priorities evolve.
• Communicate clearly with researchers and engineering partners.

Skills

Python

SQL

Data quality

Git

CI/CD

APIs

Pandas/NumPy

Data visualization

independent work

Tools

Git

PyTest

CI/CD

API development

Job description

AQR Capital Management is seeking an experienced data engineer/quantitative data specialist to join the team in Greenwich, CT. You will build data pipelines, ensure data quality, and prepare research-ready datasets for ML projects, collaborating with researchers and engineers.

Ideal candidates bring 4+ years of relevant work experience, strong Python/SQL skills, and a track record of working with structured and unstructured data, data validation, and knowledge graphs.