Software Engineer - Intern Summer 2025

Modern Treasury is revolutionizing the financial technology landscape as an operating system for money movement. As a Software Engineering Intern for Summer 2025, you'll join a unicorn startup that's building critical payment infrastructure used by enterprises to move over $750 trillion annually.

The role offers a unique opportunity to work with cutting-edge technology stack including Ruby on Rails, React, GraphQL, and PostgreSQL. You'll be based in the San Francisco office for a 12-week paid internship starting around June 2nd, where you'll collaborate with cross-functional teams to build innovative payment products.

The ideal candidate should be pursuing a Computer Science degree with a passion for fintech. You'll get hands-on experience writing and shipping high-quality code from your first week, culminating in delivering a major project. The company values technical excellence, as evidenced by their robust API infrastructure and comprehensive documentation.

This position offers competitive compensation at $52.88 per hour, along with generous benefits and company equity. You'll be part of a structured program featuring dedicated onboarding, training, and regular intern events. Modern Treasury's commitment to building reliable, scalable systems that handle critical financial infrastructure makes this an exceptional opportunity for aspiring engineers interested in fintech.