Loop (loop.com)
AI Software Engineer, Backend (SF)
$145K–$225K
San Francisco, CA · On-site · Full-time · Posted Jun 23, 2026
- Experience
- Two years of software engineering experience.
- Visa sponsorship
- Loop may provide employment visa sponsorship; green card sponsorship may also be available based on business needs and eligibility requirements.
About the job
Build AI-enabled backend and full-stack systems that address logistics billing and payment problems, including infrastructure that enables AI agents and users to deliver technical work reliably.
What you'll do
- Partner with product, design, and sales to understand requirements and ship customer-focused solutions.
- Build and improve the AI harness, including data pipelines, schemas, validation, and feedback loops for reliable agent work at scale.
- Write extensible code across frontend, backend, infrastructure, and the AI stack; contribute to technical design, reviews, and AI-tool adoption.
What they ask for
- Work in the San Francisco office at least 4 days a week.
- Two years of software engineering experience.
- Experience with TypeScript and tools such as GraphQL, Relay, React, and Node.js.
- Experience at early-stage companies shipping products end-to-end and working across multiple areas.
Pay
$145,000 to $225,000 annually (base pay)
Tools
AWS, CDK, Fargate ECS, TypeScript, Node.js, Prisma, NestJS, PostgreSQL
AI focus
Build AI-enabled products and the harness, data pipelines, schemas, validation, and feedback loops that let agents perform technical work reliably at scale; use and champion AI development tools. No prior AI or machine learning background is required.
Model-written summary · the original posting is authoritative