Senior Software Engineer, Payments

The role

This person will lead efforts to reconcile transactions across multiple financial providers and ensure alignment between internal records and customer balances. They will also design money movement flows and contribute to the development of general ledger infrastructure.

What you will do

• Lead efforts to reconcile transactions across multiple financial providers including Stripe, Highnote, Checkbook, and JPMorgan
• Ensure full alignment between internal records and customer-facing balances
• Contribute to the development and ongoing scalability of general ledger infrastructure
• Partner with external ledger provider Fragment to build a reliable system
• Design and implement new money movement flows across payment rails including push-to-card and wire transfers
• Own critical backend and platform projects end-to-end from design to production ops
• Push architecture that scales to billions in annual payment volume and real-time risk controls
• Work closely with product and GTM leads to turn ambiguous problems into elegant code

Required qualifications

• 5+ years of professional experience building B2B or B2C SaaS products
• Thrive in zero-bureaucracy, high-ownership environments
• Balance speed with rigor including automated tests, clean abstractions, and clear docs
• Can dive deep into code using React, Ruby, and Postgres
• Communicate crisply across time zones
• Required to be in office 4 days/week (Mon-Thurs) in San Francisco Bay Area or Montreal

Nice to have

• FinTech, payments, or marketplace experience
• Prior payments or back office fintech experience

About the company

AtoB is building Stripe for Transportation by modernizing the payments infrastructure for trucking and logistics. The company has raised $125 million+ from various investors and was named to the Forbes annual Next Billion-Dollar Startup List.