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Software Engineer - Platform

SF Bay Area💼 Full-time🗓 2026-09-17 → 2026-09-29

Core

Build core infrastructure for an online AI evaluation platform, including AI gateways, automated runtimes, and serving layers that route traffic across frontier models at scale.

Role type

Senior/Staff individual contributor backend engineer (distributed systems & infrastructure)

Builds

Low-latency, high-reliability APIs, streaming response handlers, rate limiting, authentication, usage metering, and observability dashboards for model evaluation systems.

Domain

AI infrastructure, developer platforms, distributed systems

Deliverable

production ML models | infrastructure

Required skills

Go, distributed systems, API design, streaming protocols (SSE), LLM provider API integration, product-oriented mindset, comfort with ambiguity

Preferred skills

Cloud infrastructure (AWS/GCP/Azure), Kubernetes, Terraform, Postgres, Redis, API gateways (Kong/Envoy), AI/ML model serving, billing infrastructure (Stripe), modern AI stack (vLLM/LiteLLM)

Technologies

Go, Kubernetes, Terraform, Postgres, Redis, AWS, GCP, Azure, Stripe, vLLM, LiteLLM, LangChain

Responsibilities

Design and implement low-latency, high-reliability APIs for leaderboards and model access; solve hard streaming problems with partial failure recovery; build enterprise-grade infrastructure features like rate limiting and audit logging; instrument infrastructure with distributed tracing and real-time dashboards; integrate with core evaluation platform and customer benchmarks; contribute to backend data architectures when needed.

Seniority

Senior/Staff, hands-on IC

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