Staff Backend Engineer: Ledger & Banking Core (US Remote)

1Money USA, Inc.; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

1Money USA, Inc. is seeking a senior/staff engineer to lead the financial core of our platform, focusing on the double-entry ledger and ensuring auditability. The role requires technical expertise in Rust and extensive experience with financial systems.

This position offers remote work options within the United States, primarily from New York or San Francisco, and demands authorization to work in the U.S.

Qualifications

• 7+ years of experience in backend, platform, or financial-systems engineering.
• Demonstrated ownership of high-correctness production systems.
• Direct experience building ledgers or core banking systems.
• Experience with compliance, finance, and risk teams.
• Strong written communication and ownership mindset.

Responsibilities

• Own the double-entry general ledger and its related systems.
• Implement bank-grade controls and audit trails.
• Build the technical foundations for bank-license readiness.
• Develop systems for regulatory compliance and controls.
• Lead tech designs for ledger and banking infrastructure.

Skills

Backend engineering

Financial systems understanding

Experience with auditing

Rust programming

Transaction processing

Data modeling

Education

Bachelor's degree in Computer Science or related field

Tools

MySQL

AWS

Docker

Job description

1Money USA, Inc. is seeking a senior/staff engineer to lead the financial core of our platform, focusing on the double-entry ledger and ensuring auditability. The role requires technical expertise in Rust and extensive experience with financial systems.

This position offers remote work options within the United States, primarily from New York or San Francisco, and demands authorization to work in the U.S.