Suno
Senior / Staff AI Platform Engineer
$228K–$363K
San Francisco · On-site · Staff · Full-time · Posted Oct 20, 2026
- Experience
- 4–6 years building and scaling backend or platform systems in production, in any language.
- Visa sponsorship
- Applicants must be eligible to work in the US.
About the job
Build shared APIs, SDKs, evaluation and observability tools, and model-routing infrastructure that help Suno engineering teams develop and ship agent features.
What you'll do
- Design and build platform APIs and SDKs for agent features; develop shared evaluation infrastructure and dashboards.
- Implement end-to-end tracing and observability across services, and manage model-provider routing, fallbacks, rate limits, and cost controls.
- Onboard partner teams with documentation and support, and collaborate with Infra on agent-runtime reliability and scale.
What they ask for
- 4–6 years building and scaling production backend or platform systems, in any language.
- Experience supporting other developer teams by building a platform, API, or SDK that they adopted.
- Experience with production LLM or agent systems for external or internal users.
- Depth in distributed systems and observability, including tracing across services; comfort working with internal customers.
Nice to have
- Experience building an evaluation or tracing product, running LLM gateway or model-routing infrastructure, or writing SDKs for other teams.
- Experience with Python backends.
Pay
$228K- $363K (base salary)
Tools
LLM, Python
AI focus
Build platform infrastructure for production LLM and agent features, including evaluation, tracing, model routing, fallbacks, rate limits, and cost controls.
Model-written summary · the original posting is authoritative