Variant
Founding Agentic Backend Engineer (Senior / Staff)
$180K–$235K
San Francisco, CA, US · Staff · Full-time · Posted Oct 30, 2026
About the job
Own the backend systems and agent environment for Variant, a product that generates software designs from a single idea.
What you'll do
- Own the back end of Variant, where its agents operate.
What they ask for
- Experience building agentic applications with sophisticated harnesses and orchestration.
- Experience building the backend for an app that manages complex project state.
- At least one of: impactful work at a company known for high-quality backend or agentic applications, major contribution to a notable open source project, or an impressive portfolio.
- Commitment to startup work and balancing quality with fast shipping.
Pay
$180K - $235K (base salary; currency not stated)
AI focus
Build and support agentic applications and orchestration for software generation.
Model-written summary · the original posting is authoritative