Software Engineer, Intern (Summer)

Details

Who We Are

About Stripe

Stripe is a technology company focused on improving the conditions for economic growth and prosperity. We build programmable financial infrastructure, rethinking from first principles how financial services should work, to make it easier and cheaper for any business to start and scale. More than 10 million businesses build on Stripe, spanning the economic frontier—from solo founders to established enterprises—united by a practical focus on growth.

The most ambitious companies in the world use Stripe as core infrastructure to grow faster. They process trillions of dollars a year on Stripe, equivalent to around 1.6% of global GDP. Stripe invests heavily in its technology, makes product upgrades every day, maintains reliable APIs, builds new financial infrastructure, and advances risk and fraud infrastructure to make the internet economy safer and more accessible.

Stripe values ambition, intensity, curiosity, humility, and rigor. Employees are encouraged to become knowledgeable about domains beyond their own and to develop a broad understanding of society and markets.

What You'll Do

As an intern at Stripe, you’ll work on projects across the stack that directly impact the way millions of businesses operate. You’ll own problems end to end with the support of your manager and teammates. You’ll work alongside technically rigorous engineers and learn how to ship high-quality work at scale.

Recent intern projects include:

• Expanding Stripe’s Payments Foundation Model capabilities to improve generalized anomaly detection.
• Building more approachable fraud controls.
• Creating safer payouts.
• Developing user-facing solutions that prevent costly pricing mistakes and make merchant checkout setup easier.

The internship program is competitive and the expectations are high.

Responsibilities

• Operate as a real member of the team you join, engaging in team discussions, decisions, and the technical design process.
• Write software that will be used in production and have meaningful impact on Stripe’s business and users.
• Give and receive technical feedback through code reviews or design discussions.
• Collaborate with engineers and cross-functional stakeholders to proactively seek and incorporate feedback.
• Learn quickly by asking questions, working effectively with your intern manager and teammates, communicating work status clearly, and building with the latest AI tooling.

Who You Are

• Ambitious builder: Energized by building solutions without clear precedent and solving problems with far-reaching consequences.
• Rigorous thinker: Appreciates that complex problems are rarely simple and enjoys working on problems that have not been tackled before.
• Adaptable problem solver: Adapts quickly, treats obstacles as opportunities, and takes measured risks while acting boldly in the absence of consensus.

Minimum 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.
• Experience and familiarity with programming through side projects or classwork. Stripe works mostly in Ruby, Java, JavaScript, Go, and Scala; candidates can learn new languages if they have strong fundamentals and general knowledge.
• 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 develop an understanding of 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 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 using multiple languages.
• Clear written communication skills, including the ability to explain work clearly to stakeholders, team members, and other colleagues.