Senior / Staff AI Platform Engineer

San Francisco. Posted 25 days ago

The role

You will build APIs, SDKs, and shared tooling including eval infrastructure, tracing, and model routing. You will work with the agent team, partner teams, and Infra to help engineers ship agent features faster.

What you will do

Design and build the platform APIs and SDKs that other teams use to build agent features.
Develop shared eval infrastructure, including the eval runner, results storage and dashboards.
Implement end-to-end tracing and observability.
Manage model provider routing, fallback, rate limits and cost controls.
Partner with engineering teams across Suno to onboard them onto the platform.
Work with Infra on the reliability and scale of the agent runtime.

Required qualifications

4–6 years building and scaling backend or platform systems in production, in any language.
Experience on a team that supports other developer teams, including building a platform, API or SDK that other teams 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: scoping with partner teams, earning adoption and handling ambiguity.

Nice to have

Experience building an eval or tracing product.
Experience running LLM gateway or model routing infrastructure.
Experience writing SDKs that other teams use.
Experience with Python backends.

Benefits

Company Equity Package
401(k) with 3% Employer Match & Roth 401(k)
Medical, Dental, & Vision Insurance (PPO w/ HSA & FSA options)
11 Paid Holidays + Unlimited PTO & Sick Time
16 Weeks of Paid Parental Leave
Creative Education Stipend
Generous Commuter Allowance
In-Office Lunch (5 days per week)

Before you apply

Applicants must be eligible to work in the US.

About the company

Suno is the fastest growing consumer entertainment company and the leader in AI music. They are building a creative entertainment platform where users can make music.