Staff Engineer - Autonomous Payments Infrastructure

Sapiom; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Sapiom is looking for an experienced engineer to join their team in San Francisco. This high-autonomy role focuses on designing and delivering core systems for agentic payments end-to-end, spanning backend, integrations, and platforms.

You will operate with high ownership and make pragmatic decisions shaping the product alongside a talented founding team. Ideal candidates will possess strong software engineering skills and a mindset oriented towards ownership and innovation in a fast-paced startup environment.

Qualifications

• Strong software engineering fundamentals and coding ability.
• High agency and strong product/ownership mindset.
• Systems thinker who can work through ambiguity.

Responsibilities

• Own end‑to‑end delivery of systems from design to production.
• Make pragmatic architectural decisions in fast-moving contexts.
• Contribute to product and engineering direction with the founding team.

Skills

Strong software engineering fundamentals

High agency mindset

Systems thinking

Comfortable across stack

Bias toward shipping

Use of AI-native tools

Excited by startup environments

Job description

Sapiom is looking for an experienced engineer to join their team in San Francisco. This high-autonomy role focuses on designing and delivering core systems for agentic payments end-to-end, spanning backend, integrations, and platforms.

You will operate with high ownership and make pragmatic decisions shaping the product alongside a talented founding team. Ideal candidates will possess strong software engineering skills and a mindset oriented towards ownership and innovation in a fast-paced startup environment.