
Opportunity at
JanestreetMachine Learning Researcher
Janestreet is hiring a Machine Learning Researcher for an on-site position based in London. This role offers an immersive educational experience where participants collaborate alongside seasoned…
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About This Role
Janestreet is hiring a Machine Learning Researcher for an on-site position based in London. This role offers an immersive educational experience where participants collaborate alongside seasoned professionals on projects linked to systematic trading strategies. The position suits individuals eager to tackle complex challenges involving nonstationary datasets, massive models, and a competitive multi-agent environment. Researchers at Janestreet operate at the intersection of technology, trading, and research. Personnel utilize petabytes of data,…
Job Description
Janestreet is hiring a Machine Learning Researcher for an on-site position based in London. This role offers an immersive educational experience where participants collaborate alongside seasoned professionals on projects linked to systematic trading strategies. The position suits individuals eager to tackle complex challenges involving nonstationary datasets, massive models, and a competitive multi-agent environment.
Researchers at Janestreet operate at the intersection of technology, trading, and research. Personnel utilize petabytes of data, a massive computing cluster, and extensive high-end GPU resources to develop and test models. Daily tasks include analyzing market data, running hyperparameter tuning, debugging training pipelines, and studying model predictions. Because the work handles intellectual property that is sensitive to the firm, research produced in this role generally cannot be published in outside academic outlets.
Ideal candidates possess a strong curiosity, logical thinking skills, and a desire to solve intricate problems, regardless of whether they have prior experience in the financial sector. The company values analytical thinking and the ability to learn rapidly over preexisting domain knowledge. Team members work closely with colleagues across different disciplines to address open-ended problems that lack definitive answers.
Responsibilities
- Collaborate with experienced machine learning researchers on projects derived from active work
- Perform end-to-end studies on unexplored datasets
- Test new modeling paradigms for complex problems
- Investigate blue-sky approaches and exploratory concepts
- Analyze market data, adjust hyperparameters, and troubleshoot training procedures
- Evaluate predictions generated by trained models
- Consult with colleagues across different areas of expertise for insights
Requirements
- Practical experience working on machine learning problems
- Interest in applying logical and mathematical thinking to diverse issues
- Familiarity with state-of-the-art techniques across various problem domains
- Proficiency with a versatile array of models and technical tricks
- Ability to quickly implement and iterate on concepts using Python and a preferred machine learning framework
- Willingness to ask questions, acknowledge errors, and acquire new skills
- Fluency in English
Qualifications
- Currently enrolled as an undergraduate student, PhD student, or serving as a postdoc
Core Skills
Frequently Asked Questions
Where is the Machine Learning Researcher position located?
The role is based on-site in London.
What is the employment type?
The posting indicates the position is an internship program.
What salary is offered for this role?
The posting does not specify a salary.
What technical skills are required?
Candidates must be able to rapidly implement and iterate on ideas using Python and their preferred machine learning framework.
Sample Interview Questions
AI-generated questions tailored to this specific role — a preview of the full practice set.