Software Engineer (Machine Learning) Intern (Summer 2027)

Built In San Francisco · San Francisco, CA, USA · $55 per hour

  • Closed Oct 3, 2026
  • Paid
  • Internship

About the role

Develop and ship a meaningful engineering project, monitor its production deployment, collaborate with a mentor and manager, test and document work, and present results to the engineering organization. The role may involve machine learning, backend or frontend development, APIs, data processing, deployment, and testing using technologies such as Python, Java, JavaScript, AWS, AngularJS, or React.

The summary above was generated by AI

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on…

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Develop and ship a meaningful engineering project, monitor its production deployment, collaborate with a mentor and manager, test and document work, and present results to the engineering organization. The role may involve machine learning, backend or frontend development, APIs, data processing, deployment, and testing using technologies such as Python, Java, JavaScript, AWS, AngularJS, or React.

The summary above was generated by AI

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

As an intern at Affirm, you will be a contributing member of our outstanding engineering team, and as such you will work on meaningful projects and frequently ship code. Recent grads and past interns have built a real-time high-throughput data processing pipeline, developed an extensive automated testing framework, and built out our proprietary financial platform that is central to our long term company mission. We are excited to meet and consider strong students for our 12-16 week internships. We are a dynamic organization that is happy to tailor projects to your skills, and we will work with you throughout the interview process to determine which team will be best for you.

What You'll Do

Interns are responsible for developing and shipping a project and verifying that it works in production. Because things are changing fast at Affirm, we do not specify intern projects in advance, instead you will collaborate with your mentor and manager when you start to spec a project that will best contribute to your team

  • This role will ship code and monitor the deployment of your work. Our intern projects are not isolated or intended to be thrown away: your team will depend on your contributions!
  • We pair interns with a dedicated mentor who will be by your side to give advice and ensure the success of your project. Expect to meet with them on a regular basis and receive feedback.
  • There are opportunities to attend events with other interns and full-time Affirmers! Past events have included virtual cooking classes, executive fireside chats, cable car trolley tours, and Giants games.
  • Interns present their work to the entire engineering organization at the end of the internship.

What We Look For

  • Passion and dedication to changing consumer banking for the better
  • Experience with Python, C/C++ or Java
  • Frontend experience in WebApps/JavaScript/AngularJS/React
  • Strong communication skills
  • Experience with object oriented programming
  • Deployment and testing frameworks
  • API development/documentation
  • AWS or other PaaS frameworks

Compensation is a set amount for the Intern role with no range. USA hourly base pay: $55.00 USA monthly base pay: $9,500

Built In San Francisco closed this role on Oct 3, 2026

Applications are no longer being accepted.

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