Data Scientist – Equity Research

Jefferies; New York (NY); On-site; USD 100,000 - 120,000; Full time

Benefits offered by this job

Annual discretionary incentive

Retention bonus

Medical, dental & vision coverage

401(k)

Life, accident, and disability保险

Wellness programs

Paid time off

Paid parental leave

Job summary

Jefferies is seeking a Data Scientist within the Equity Research Data Strategy Team. You will support Analysts and build data/AI tooling to enable scalable, defensible research insights.

You'll transform large datasets, develop AI agents, and collaborate with data vendors and stakeholders across the firm to ensure AI-ready data assets and governance while communicating complex concepts clearly.

Qualifications

• Transferable experience on the sell-side or buy-side, in data science, data research, or similar function.
• STEM degree with preference for CS, Data Science, Engineering, Statistics or Quantitative Finance.
• Strong proficiency with Python, intermediate SQL and/or Spark.
• Experience analyzing and visualizing large datasets.
• Experience with AI-assisted development and LangChain/LLMs.
• Familiarity with LLMs, vector databases and RAG pipelines.
• Excellent communication skills to explain complex concepts to non-technical stakeholders.

Responsibilities

• Query, transform, analyze, and combine large datasets in support of research ideas; occasionally develop statistical models.
• Enhance platform with tools, AI agents, MCP servers, and processes to standardize data evaluation and dissemination.
• Contribute to data centralization to ensure AI-accessible first- and third-party assets with governance.
• Present technical methods to non-technical stakeholders and translate questions into data-driven insights.
• Maintain relationships with research teams, data vendors, management, and buy-side clients.

Skills

Python

SQL

Apache Spark

Data visualization

AI-assisted development

LLMs

Communication skills

Education

STEM degree (CS/Engineering/Data Science)

Tools

Databricks

Snowflake

AWS

JIRA

Confluence

Bitbucket

Job description

JOB DESCRIPTION

The Jefferies Equity Research Data Strategy Team is a global team embedded within the Equity Research department, responsible for shaping and executing the department's data and AI strategy. On the data side, the team helps incorporate fundamental and alternative datasets into Analyst research reports, combining analysts’ domain expertise with our team’s technical skills to produce thoughtful, defensible, and actionable analysis of real-world behavior at scale. On the AI side, our team is responsible for building internal generative AI tooling along with evaluating third-party AI models and tools to enhance our analysts’ work. We help integrate AI capabilities into analysts’ daily workflows and ensure that first- and third-party datasets are fully AI-accessible to them. Statistics, data engineering, data science, and AI are cornerstones of our work.

Overview

As a Data Scientist at Jefferies, your focus will be to support the Research Analysts and the Data Strategy Team’s broader platform. The candidate will use technical and financial skills to implement ideas and requests from the Research Analysts, while also building and maintaining relationships with internal and external stakeholders, working in collaboration with the rest of the Global Data Strategy Team.

Key Responsibilities

• Query, transform, analyze, and combine large datasets in support of solving problems and implementing research ideas across sectors and data categories, occasionally developing statistical models to predict outcomes
• Enhance our platform through the creation and maintenance of tools, AI agents, MCP servers, and processes that streamline, scale, and standardize our ability to evaluate, clean, analyze, and disseminate data
• Contribute to the data centralization process, ensuring all first- and third-party data assets are AI-accessible and meet quality, lineage, and governance standards
• Present highly technical methods to non-technical stakeholders and translate open-ended questions into data-driven insights
• Maintain and build relationships with key internal and external stakeholders, including research teams, third-party data vendors, management, and possibly buy-side clients

Qualifications

Required

• Transferable experience on the sell-side or buy-side, in data science, data research, or similar function
• STEM degree with preference for Computer Science, Data Science, Engineering, Statistics, Quantitative Finance, and related disciplines
• Strong proficiency with Python, intermediate or better proficiency with SQL and/or Apache Spark
• Experience analyzing and visualizing large datasets
• Experience with AI-assisted development (Claude Code, GitHub CoPilot, Cursor, etc.)
• Familiarity with LLMs, LangChain, vector databases, and RAG pipelines
• Excellent communication skills with the ability to translate complex technical concepts for non-technical stakeholders

Preferred

• Demonstrated interest in fundamental equity research and financial modelling
• Experience with Databricks or Snowflake and cloud platforms such as AWS
• Experience with Atlassian project management tools (JIRA, Confluence, Bitbucket)
• Experience with knowledge graphs

Primary Location Full Time Salary Range of $100,000 - $120,000.

About Us

Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research, and wealth and asset management services. With more than 40 offices around the world, we offer insights and expertise to investors, companies, and governments.

At Jefferies, we are committed to building a culture that provides opportunities for all employees regardless of our differences and supports a workforce that is reflective of the communities where we work and live. As a result, we are able to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.

Jefferies is committed to creating and sustaining a workforce that welcomes individuals from all backgrounds to apply. Our employment decisions are made without regard to race, creed, color, national origin, ancestry, religion, pregnancy, age, medical condition, physical or mental disability, marital status, domestic partner status, sex, sexual orientation, gender, gender identity or expression, veteran or military status, genetic information, reproductive health decisions, or any other factor protected by applicable law. We are committed to hiring the most qualified applicants and complying with all federal, state, and local equal employment opportunity laws. As part of this commitment, Jefferies will extend reasonable accommodation to individuals with disabilities, as required by applicable law.

The salary offered will take into consideration an individual’s experience level and qualifications. In addition to salary, Jefferies Financial Group is proud to offer a comprehensive benefits package to eligible, full-time employees or part-time employees, who are scheduled to work at least 30 hours or more per week:

• annual discretionary incentive
• retention bonus
• medical, dental & vision coverage
• 401(k)
• life, accident, and disability insurance
• wellness programs
• paid time off packages that include planned time off (e.g., vacation), unplanned time off (e.g., sick leave), and paid holidays
• paid parental leave

Jefferies also offers paid time off packages that include planned time off (e.g., vacation), unplanned time off (e.g., sick leave), and paid holidays, and for full-time employees, paid parental leave.