Data Science Co-op

The TJX Companies, Inc.

. Perform data manipulation and cleaning .

Posted 11/10/2026full-timeFramingham • Massachusetts • United StatesEntry Level💰 $24 - $25 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong quantitative and analytical skills with proficiency in data manipulation, regression modeling, and A/B testing. Capable of delivering actionable insights through effective collaboration and reporting across various business functions.

Highest-signal resume keywords

Data ManipulationRegression ModelingSQL ServerPython ProgrammingMicrosoft Excel

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data ManipulationRegression ModelingA/B TestingSignificance TestingMultivariate AnalysisSQLPythonMicrosoft ExcelPivot TablesVLOOKUP

Soft Skills

Quantitative SkillsAnalytical SkillsProactive AttitudeFlexibilityPrioritization

Tools & Technologies

SQL ServerMicrosoft Office

Industry Keywords

Sales ForecastingPersonalization RecommendationsStore ProfitabilityDashboardsReporting

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Perform data manipulation and cleaning
Build regression models
Deliver insights to senior leadership to drive profitable sales and support long-term strategies
Support projects involving sales forecasting, personalization recommendations, store profitability, and A/B testing
Create dashboards and reporting for Finance, Marketing, Digital Experience, Store Operations, and IT
Collaborate with business partners on ad hoc analyses and provide accurate, informed responses
Support strategic projects and analysis to drive real-time business decisions

Requirements

What you’ll need

Current student eligible for an intermediate or advanced co-op
Data Science major preferred; consideration may also be given to Computer Science, Mathematics, or another related major
Strong quantitative and analytical skills
Experience with SQL, preferably SQL Server
Experience with Python or another programming language
Experience with regression, significance testing, and multivariate analysis
Experience with Microsoft Excel, including pivot tables, charts, and VLOOKUP
Experience with Microsoft Office
Ability to prioritize effectively, be proactive, and remain flexible
Ability to adjust direction under changing business conditions and needs
Must verify identity and eligibility to work in the United States upon hire

Benefits

Comp & perks

Opportunity to learn, grow, and gain industry experience
Supportive work environment
Competitive salary and benefits package
Reasonable accommodations for qualified individuals with disabilities