Software Engineer, Intern (Summer or Winter)

Details

Stripe builds programmable financial infrastructure, including reliable APIs, financial infrastructure, payments, risk, and fraud products used by businesses worldwide.

As an intern, you will work on projects across Stripe's technology stack that directly impact millions of businesses. You will own problems end to end with support from your manager and teammates, contribute to Stripe's production codebase, and learn to ship high-quality software at scale. Recent intern projects have included expanding Payments Foundation Model capabilities for generalized anomaly detection, building fraud controls, creating safer payouts, and developing user-facing solutions to prevent pricing mistakes and simplify merchant checkout setup.

The internship program is competitive and expectations are high.

Responsibilities

• Operate as a member of the assigned team by participating in team discussions, decisions, and the technical design process.
• Write production software with meaningful impact on Stripe's business and users.
• Give and receive technical feedback through code reviews and design discussions.
• Collaborate with engineers and cross-functional stakeholders to seek and incorporate feedback.
• Learn quickly by asking effective questions, working with your intern manager and teammates, communicating work status clearly, and using the latest AI tooling.

Requirements

• Strong fundamental understanding of computer science through pursuit of a bachelor's or master's degree in computer science, mathematics, or a related discipline.
• Programming experience through side projects or classwork. Stripe primarily uses Ruby, Java, JavaScript, Go, and Scala, though the ability to learn new languages is valued.
• Experience from previous internships or other multi-person projects, including open-source contributions, demonstrating the ability to evaluate and receive feedback from mentors, peers, and stakeholders.
• Ability to learn unfamiliar systems and understand them through independent research and collaboration with mentors or subject-matter experts.
• Ability to use AI tools to accelerate development while applying critical thinking and professional judgment to review, refine, and validate outputs.

Preferred Qualifications

• At least one year of university education or equivalent work experience.
• Specialized knowledge in one or more areas such as frontend, backend, infrastructure, or other technologies, balanced with general technical skills and knowledge.
• Experience writing high-quality pull requests with good test coverage and completing projects with minimal defects.
• Familiarity with navigating and managing work in new codebases involving multiple languages.
• Clear written communication skills and the ability to explain work to stakeholders, team members, and colleagues.