Senior Backend Engineer — AI Shopping Agents

sagelabs.ai; San Francisco (CA); On-site; USD 170,000 - 260,000; Full time

Benefits offered by this job

Meaningful equity

Medical, dental, and vision coverage

San Francisco based

Job summary

Sage AI Labs in San Francisco is hiring a Senior Backend Engineer to own the checkout agents and the scale-out infrastructure. You will design, deploy, and operate systems that process live transactions with real carts and payments.

You will tackle ingestion at scale, embedding-based search, and ranking across a constantly changing catalog, collaborating with the CTO and cross-functional teams. This is an onsite San Francisco role with meaningful equity and strong growth potential.

Qualifications

• 5+ years building backend and infrastructure systems.
• Strong Python proficiency.
• Experience owning production systems end to end.

Responsibilities

• Own checkout agents infrastructure and deployments.
• Handle ingestion at scale across multiple sources.
• Implement search, retrieval, and ranking components.
• Ensure reliability, observability, and on-call readiness.

Skills

Python

Backend

Distributed systems

Job description

Sage AI Labs in San Francisco is hiring a Senior Backend Engineer to own the checkout agents and the scale-out infrastructure. You will design, deploy, and operate systems that process live transactions with real carts and payments.

You will tackle ingestion at scale, embedding-based search, and ranking across a constantly changing catalog, collaborating with the CTO and cross-functional teams. This is an onsite San Francisco role with meaningful equity and strong growth potential.