AI Researcher – WorldQuant BRAIN
A full-time research role on WorldQuant's BRAIN platform, which crowdsources predictive signals from outside contributors. The hire applies large language models and other AI methods to build signals and improve the platform.
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.
- Fine-tune language models to pull signals out of text and other alternative data
- Build and refine alphas on the BRAIN platform using ML ideas
- Explore large financial datasets for patterns worth modelling
- Help platform developers test new datasets and features
- Track new AI papers and judge which could help signal research
What they ask for
Required
- Machine learning and large language models
- Python and C++
- PyTorch or TensorFlow
- Maths, statistics and quantitative modelling
- Strong interest in financial markets
- Clear English communication
Preferred
- Experience with financial datasets
- Education
- Bachelor's or advanced degree in computer science, AI, maths, financial engineering or a related field
- Experience
- Not specified; open to strong graduates
- Languages and tools
How to prepare
- Fine-tune a small transformer on financial news and test whether its output predicts returns
- Build a simple alpha in Python and evaluate it for overfitting
- Review how reinforcement learning is applied to trading problems
- Practise explaining a model's results to non-specialists
What to study
- Financial Machine Learning
- Text as Data and NLP for Finance
- Python and Data Primer
- Probability, Statistics and Financial Data
The NLP and ML Quant Researcher roadmap sets out the stages for this kind of role, with free resources for each.
Open the roadmapApply
Read the full posting on WorldQuant’s site before applying: requirements, location and pay can change after we check them.
View the posting on WorldQuant’s site ↗
SelfMadeQuant wrote this summary from the employer’s public posting, last checked 6 November 2026. SelfMadeQuant isn’t affiliated with WorldQuant and doesn’t handle applications.