Staff Software Engineer, Payments Platform

Sapiom; San Francisco (CA); On-site; USD 210,000 - 320,000; Full time

Job summary

Sapiom is building payment infrastructure for AI companies and agents. We’re hiring a Staff engineer to own a large piece of the payments surface, including the public API and tooling, with a focus on reliability and scalable design.

You’ll shape architecture, set direction, and guide others as the project progresses. The role requires deep experience in production software, payments, and end-to-end ownership, with a track record of delivering complex systems and leveraging AI tooling within

Qualifications

• 8+ years building production software.
• Experience in payments, money movement, or financial infrastructure.

Responsibilities

• Own a large piece of the payments surface and API surface.
• Design for reliability: idempotency, retries, reconciliation.
• Lead architecture decisions from first principles and drive multi-quarter projects.

Job description

Sapiom is building payment infrastructure for AI companies and agents. We’re hiring a Staff engineer to own a large piece of the payments surface, including the public API and tooling, with a focus on reliability and scalable design.

You’ll shape architecture, set direction, and guide others as the project progresses. The role requires deep experience in production software, payments, and end-to-end ownership, with a track record of delivering complex systems and leveraging AI tooling within