Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career
What you’ll do About the internship Stripe's Applied ML, Data Science, Risk, and Payments organizations are excited to offer PhD machine learning engineering internships for the summer of 2026. This is an exceptional opportunity to contribute to critical projects that directly enhance Stripe's suite of products, focusing on areas such as foundation models used for dozens of tasks e.g. fraud detection, enhanced support, and predicting user behavior
As an intern, you'll tackle challenging problems at the intersection of finance, technology, and data. You'll have the chance to work on creative projects like the Stripe Assistant and the Stripe Foundation Model, which leverage machine learning to revolutionize how businesses interact with financial services and data
Responsibilities Develop and deploy large-scale machine learning systems that drive significant business value across various domains
Engage in the end-to-end process of designing, training, improving, and launching machine learning models
Write production-scale ML models that will be deployed to help Stripe enable economic infrastructure access for a diverse range of businesses globally
Collaborate across teams to incorporate feedback and proactively seek solutions to challenges
Rapidly learn new technologies and approaches, demonstrating a strong ability to ask insightful questions and communicate the status of your work effectively
Who you are Minimum requirements A deep understanding of computer science, obtained through the pursuit of a PhD in Computer Science, Machine Learning, or a closely related field, with the expectation of graduating in winter 2026 or spring/summer 2027
Practical experience with programming and machine learning, evidenced by projects, classwork, or research. Familiarity with languages such as Python, Scala, Spark and libraries such as Pandas, NumPy, and Scikit-learn
Expertise in areas of machine learning such as supervised and unsupervised learning techniques, ML operations, and possibly experience in Large Language Models or Reinforcement Learning
Demonstrated ability to work on collaborative projects, with experience in receiving and applying feedback from various stakeholders
A proactive approach to learning unfamiliar systems and a demonstrated ability to understand complex systems independently
Intent to return to the degree-program after the completion of the internship/co-op
Preferred qualifications You Might Also Have: Two years of university education or equivalent experience, with in-depth knowledge in specific domains of machine learning
Published and presented peer-reviewed articles in top-tier venues
Experience in writing high-quality pull requests, maintaining good test coverage, and completing projects with minimal defects
Familiarity with navigating new codebases and managing work across different programming languages
Excellent written communication skills to clearly articulate your work to both team members and wider Stripe audiences
Application requirements Please submit the following with your application: A detailed resume or LinkedIn profile showcasing your work history
Examples of relevant work and your approach to learning, such as GitHub repositories, StackOverflow contributions, or other project portfolios
Join us for an unforgettable summer internship and help shape the future of global commerce. At Stripe, you won't just be working on theoretical projects; you'll make a tangible impact on the world's economic infrastructure.