Senior AI Infrastructure Engineer, Model Serving Platform

Scale AI
San Francisco / New York / Seattle2025-01-28

About the job

As a Software Engineer on the ML Infrastructure team, you will design and build platforms for scalable, reliable, and efficient serving of LLMs. Our platform powers cutting-edge research and production systems, supporting both internal and external use cases across various environments.

Responsibilities

Build and maintain fault-tolerant, high-performance systems for serving LLMs workloads at scale.

Build an internal platform to empower LLM capability discovery.

Collaborate with researchers and engineers to integrate and optimize models for production and research use cases.

Conduct architecture and design reviews to uphold best practices in system design and scalability.

Develop monitoring and observability solutions to ensure system health and performance.

Lead projects end-to-end, from requirements gathering to implementation, in a cross-functional environment.

Qualifications

Minimum

5+ years of experience building large-scale, high-performance backend systems.

Strong programming skills in one or more languages (e.g., Python, Go, Rust, C++).

Experience with LLM serving and routing fundamentals (e.g. rate limiting, token streaming, load balancing, budgets, etc.).

Experience with LLM capabilities and concepts such as reasoning, tool calling, prompt templates, etc.

Experience with containers and orchestration tools (e.g., Docker, Kubernetes).

Familiarity with cloud infrastructure (AWS, GCP) and infrastructure as code (e.g., Terraform).

Proven ability to solve complex problems and work independently in fast-moving environments.

Preferred

Experience with modern LLM serving frameworks such as vLLM, SGLang, TensorRT-LLM, or text-generation-inference.