Software Engineer, Platform

Note: We are recruiting on behalf of our valued client. This opportunity is for a position with their organization, not with People Culture Talent. We're excited to help connect talented professionals with this exceptional team!

The open AI evaluation platform redefining how the world's leading AI labs measure model performance is looking for a Software Engineer, Platform to help shape the future of how the world measures artificial intelligence.

They are building an AI gateway that gives developers access to multiple model providers through a unified endpoint. The product is in a private, gated launch, with additional platform capabilities—including direct model access—being built next.

You’ll help build the platform infrastructure that turns their research advantage into enterprise products. This is a founding role on the developer team. You’ll work directly with the founders and early customers to define what they build and how they build it.

Location: San Francisco onsite three days per week. Remote candidates will generally only be considered with a strong endorsement.

• API gateway, proxy, or multi-provider integration experience.

• Experience with streaming APIs, response normalization, or resilient distributed systems.

• Exposure to LLM APIs, model serving, AI infrastructure, or evaluation platforms.

• Cloud infrastructure experience across GCP, AWS, Azure, Kubernetes, Terraform, Postgres, or Redis.

• Experience building usage tracking, billing/metering, authentication, or developer tooling.

This fast-growing startup is building technology that helps people better understand how AI models perform in real-world settings. Its open evaluation platform provides researchers, developers, and organizations with meaningful insights into model quality and performance.

Through crowdsourced benchmarks and human preference data, the company helps inform important decisions about the development and use of artificial intelligence. Its evaluation tools and leaderboards have become trusted resources within the AI community.

Behind the platform is a team of experienced researchers, engineers, and builders who seek truth, move quickly, and care deeply about craftsmanship and impact. They’re building a company where deep expertise meets curiosity and where the work genuinely matters.