engineering
Posted Jul 2, 2025Senior Software Engineer, Payments
at AtoB
CanadaRemote
Responsibilities
- - Ensure full alignment between internal records and customer-facing balances—what’s in the bank should precisely match what the customer sees.
- - Design and implement new money movement flows across a variety of payment rails—including push-to-card and wire transfers—optimizing for cost, speed, and reliability.
- - Own critical backend & platform projects end-to-end—from design to production ops.
- - Lead efforts to reconcile transactions across multiple financial providers, including Stripe, Highnote, Checkbook, and JPMorgan, ensuring accuracy and consistency across systems.
Requirements
- Our history and background Our founding team has backgrounds in payments, working on autonomous vehicles at Cruise Automation, leading ops and growth for Uber, and building apps that were featured on the Apple app store.
- We have staff and senior engineers from Google, Uber, Meta, Shopify, Stripe, Chime, and other leading technology companies.
- We have raised $125 million+ from investors such as General Catalyst, Elad Gil, Bloomberg Beta, Y Combinator, XYZ; founders and CEOs of companies such as Google (Eric Schmidt), Salesforce (Marc Benioff), Coinbase (Brian Armstrong), DoorDash (Tony Xu), Instacart, Gusto; strategic investors like Mastercard, Flexport and Samsara.
- - Work closely with product and GTM leads to turn ambiguous problems into elegant code.
- experience building B2B or B2C SaaS products (FinTech, payments, or marketplace a plus). - Prior payments or back office fintech
- experience is a plus - Thrive in zero-bureaucracy, high-ownership environments. - Balance speed with rigor—automated tests, clean abstractions, clear docs. - Can dive deep into code (we use React, Ruby, Postgres—but great engineers pick up tools fast). - Communicate crisply across time zones. - This role is required to be in office 4 days/week (Mon-Thurs) either in San Francisco Bay Area or Montreal
Experience
- Qualifications: - Have 5+ years of professional