Software Engineer
Modern Treasury is a payment operations platform that provides a unified API for businesses to move money via ACH, wire, RTP, FedNow, and stablecoins with built-in compliance and ledgering.
Maintainer signals as of 9/2/2026
Projects
About Modern Treasury
Modern Treasury provides infrastructure for companies building payment products, offering a unified API across ACH, wire, RTP, FedNow, and stablecoin rails. Users can initiate and track payments, maintain accurate balances through a real-time double-entry ledger, and automate reconciliation. The platform supports both an integrated PSP model for rapid onboarding and direct bank partnerships as companies grow to larger transaction volumes.
Skills
About the Role
Build end-to-end features independently or in small teams, ship code frequently, maintain and own core components, and contribute across APIs, banking infrastructure, financial workflows, backend jobs, databases, and frontend user experiences.
Requirements
- 2+ years of professional software engineering experience
- Interest in full-stack development, including backend jobs, databases, and frontend UX
- History of collaborating with a team to ship a major feature
- Experience with Ruby on Rails, React, and Postgres
- Experience with financial software for banks, credit card processing, or cryptocurrencies
- Ability to thrive in an autonomous, engineer-driven environment
Responsibilities
- Build end-to-end features independently or in small teams
- Iterate and ship code frequently
- Participate in maintaining and owning a core component
- Learn the payments space and shape projects before development
- Mentor others after receiving mentorship
- Contribute to APIs, banking infrastructure, and financial workflows
- Design APIs, implement resilient processes, and choose fault-tolerant infrastructure
Benefits
- Equity
- Generous benefits
