Quant jobs / BlackRock

Associate, Securities Lending Quantitative Research and Algorithmic Trading

A quant researcher role in BlackRock's securities lending electronic trading team, building signals and algorithms for lending decisions. It spans research, production models and platform design.

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.

Analyse lending data and evaluate post-trade performance
Develop signals and models for automated lending decisions
Monitor and govern production models and algorithms
Help design automated order-raising workflows
Apply machine learning and AI tooling to research and automation

What they ask for

Required

Python and SQL
Statistics, machine learning and optimisation
3+ years in quant research, algorithm development or data science
Large and complex datasets
Production model lifecycle
Bachelor's degree

Preferred

Master's degree or higher in a quantitative discipline
Financial markets experience
AI tools in research or software development

Education: Bachelor's required; Master's or higher in a quantitative field preferred
Experience: 3+ years in quantitative research, algorithm development or data science
Languages and tools: Python
SQL
Markets: equities

How to prepare

Build a model that predicts demand or fee for lending specific stocks
Learn how securities lending works (borrowers, lenders, fees, recalls)
Practise post-trade analysis and model monitoring in Python
Study gradient boosting and model governance basics
Build a small automated decision pipeline with logging

What to study

The Quantitative Researcher roadmap sets out the stages for this kind of role, with free resources for each.

Open the roadmap

Apply

Read the full posting on BlackRock’s site before applying: requirements, location and pay can change after we check them.

View the posting on BlackRock’s site ↗

SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with BlackRock and doesn’t handle applications.