Position Details

Type Internship

Experience intern

Exp. Years N/A

Education Pursuing PhD in Computer Science, Machine Learning, or a closely related field, expected graduation winter 2026 or spring/summer 2027

Category AI & Machine Learning

About this role

This internship offers PhD students an opportunity to work on cutting-edge machine learning projects at Stripe, focusing on foundation models and scalable ML systems in a fintech environment.

Key Responsibilities

Develop and deploy ML systems
Work on foundation models
Collaborate across teams
Research and improve ML techniques
Contribute to product enhancements

Technical Overview

The role involves developing and deploying large-scale ML models using Python, Scala, Spark, and related tools, with a focus on AI, data science, and reinforcement learning techniques.

Ideal Candidate

The ideal candidate is a PhD student in Computer Science or Machine Learning, with strong programming skills in Python, Scala, and Spark, and experience with advanced ML techniques such as Large Language Models and Reinforcement Learning. They should demonstrate collaborative research experience and a proactive learning attitude.

Must-Have Skills

Deep understanding of computer sciencePursuit of a PhD in Computer ScienceMachine Learningor related fieldProgramming experienceMachine learning experienceFamiliarity with PythonScalaSparkKnowledge of supervised and unsupervised learningExperience with ML models and operationsAbility to work on collaborative projectsProactive learning approachIntent to return to degree program

Nice-to-Have Skills

Experience with Large Language ModelsExperience with Reinforcement LearningResearch publicationsTwo years of university education or equivalent

Tools & Platforms

PandasNumPyScikit-learnSpark

Required Skills

Machine LearningDeep LearningLarge Language ModelsReinforcement LearningPythonScalaSparkPandasNumPyScikit-learn

Hard Skills

PythonPython (programming language)ScalaSparkPandasNumPyScikit-learnLarge Language ModelsReinforcement LearningMachine LearningSupervised LearningUnsupervised LearningML operations

Soft Skills

communicationcollaborativeproblem-solvinglearning agilityindependent thinking

Industry & Role

Industry Fintech

Job Function Research and develop machine learning models for financial infrastructure

Keywords for Your Resume

Machine LearningDeep LearningLarge Language ModelsReinforcement LearningML operationsPythonScalaSparkPandasNumPyScikit-learnAIArtificial IntelligenceData ScienceFoundation ModelsInternship

Deal Breakers

Not pursuing a PhD or not expected to graduate winter 2026 or spring/summer 2027, Lack of programming experience in Python, Scala, Spark, No experience with ML models or operations, Unwillingness to work on collaborative projects

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PhD Machine Learning Engineer, Intern

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