Remote Full-Stack Engineer — Payments API & Rails

moderntreasury; San Francisco, New York (CA, NY); Remote; USD 150,000 - 210,000; Full time

Job summary

Modern Treasury is hiring a Full-Stack Software Engineer to help move money worldwide. You will contribute to APIs, banking infrastructure, and financial workflows using Rails, React, and Postgres. The role emphasizes ownership of features, collaboration, and rapid iteration in a scalable, fault-tolerant system.

Ideal candidates have 2+ years of professional experience and enjoy autonomous, engineer-driven environments, with opportunities to mentor others as you grow.

Qualifications

• 2+ years of professional software engineering experience.
• Interested in full-stack development, including backend jobs, DBs and frontend UX.
• A history of collaborating with a team to ship a major feature.

Responsibilities

• Build end-to-end features individually or in small teams
• Iterate and ship code frequently
• Participate in maintenance and ownership of a core component
• Learn the payments space and shape projects before development
• Be mentored and eventually become a mentor

Skills

Full-stack development

Backend development

Frontend UX

Tools

Ruby on Rails

React

Postgres

Job description

Modern Treasury is hiring a Full-Stack Software Engineer to help move money worldwide. You will contribute to APIs, banking infrastructure, and financial workflows using Rails, React, and Postgres. The role emphasizes ownership of features, collaboration, and rapid iteration in a scalable, fault-tolerant system.

Ideal candidates have 2+ years of professional experience and enjoy autonomous, engineer-driven environments, with opportunities to mentor others as you grow.