Backend Engineer — LLM Tooling & APIs

We're building a developer platform for LLM applications — think eval frameworks, observability dashboards, prompt versioning, and deployment tooling. We need a backend engineer who loves working close to LLMs and wants to build the infrastructure that other AI developers rely on. You'll build APIs, design the data models that store prompts and traces, and ensure our platform scales reliably. This is a product-focused engineering role. You'll talk to our users (AI developers) regularly and use their feedback to drive what we build.