Modern Treasury is seeking Full-Stack Software Engineers to join their Engineering team in San Francisco. As an early member, you'll shape the engineering culture and build innovative payments products that serve both engineering and finance teams. The role involves working with the core platform that interfaces between customers and banks, building robust and scalable systems to handle high-volume API calls, and developing user-friendly interfaces. You'll use technologies like Ruby on Rails, React, GraphQL, Postgres, and AWS. The ideal candidate should have 2+ years of professional web application development experience, knowledge of SQL/Relational databases, and a degree in computer science or equivalent work experience. The role offers opportunities to contribute to open-source projects, write blog posts, and mentor new engineers. Modern Treasury values using the best tools for the job and places a premium on reliability and quality documentation. The company moves over $750 trillion a year via bank payments and is committed to equal employment opportunity.