Senior / Staff AI Platform Engineer
About The Position
Suno is hiring a Senior / Staff AI Platform Engineer to build the APIs, SDKs, and shared tooling that enable other teams to build and ship agent features. The platform includes evaluation infrastructure, tracing, observability, and model routing. The engineer will work closely with the agent team, partner engineering teams, and Infrastructure, and will help shape the platform as it grows. Adoption by internal engineering customers is a measure of success. The role is expected to be performed from Suno's designated San Francisco office five days per week. Applicants must be eligible to work in the United States. Full-time employees receive competitive equity packages and comprehensive benefits. The stated base salary range is $228,000–$363,000; the actual offer may vary based on location, skills, qualifications, and experience.
Requirements
- 4–6 years of experience building and scaling production backend or platform systems, in any language.
- Experience supporting other developer teams, including building a platform, API, or SDK adopted by other teams.
- 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.
- Must be eligible to work in the United States.
Nice To Haves
- Experience building an evaluation or tracing product.
- Experience running LLM gateway or model-routing infrastructure.
- Experience writing SDKs used by other teams.
- Experience with Python backends.
Responsibilities
- Design and build platform APIs and SDKs used by other teams to build agent features.
- Develop shared evaluation infrastructure, including an evaluation runner, results storage, and dashboards, and help determine what to build versus buy.
- Implement end-to-end tracing and observability so requests can be followed across services from prompt to audio.
- Manage model provider routing, fallbacks, rate limits, and cost controls.
- Onboard engineering teams across Suno to the platform through documentation and hands-on support.
- Partner with Infrastructure on the reliability and scale of the agent runtime.
- Help teams ship agent features faster and more safely.
Benefits
- Company equity package
- 401(k) with 3% employer match and Roth 401(k)
- Medical, dental, and vision insurance, with PPO, HSA, and FSA options
- 11 paid holidays
- Unlimited PTO and sick time
- 16 weeks of paid parental leave
- Creative education stipend
- Generous commuter allowance
- In-office lunch five days per week
- Comprehensive benefits for full-time employees
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
