Staff Software Engineer, HPC

Location: Hybrid in Foster City, California; Boston, Massachusetts; or Seattle, Washington

Company

Develops autonomous mobility products supported by large-scale software, compute, and infrastructure platforms.

What you will do

• Design and implement distributed compute services and abstractions for thousands of concurrent workloads.
• Build production-grade APIs, SDKs, and developer tools for large-scale distributed computing.
• Develop scheduling algorithms, autoscaling policies, and multi-region orchestration strategies.
• Investigate systemic reliability and performance issues through profiling, analysis, and collaboration with workload owners.
• Create capacity planning and forecasting tools for growing compute requirements.
• Lead cross-team infrastructure initiatives, define the HPC roadmap, and mentor junior engineers.

Requirements

• Experience designing and operating large-scale distributed systems in production.
• Experience with Ray.io, especially Ray Core and Ray Data, or equivalent technologies.
• Experience using Kubernetes for heterogeneous workloads and AWS or similar cloud infrastructure.
• Track record of delivering and operating reliable, scalable infrastructure.
• Proficiency with Python.
• Ability to prioritize engineering work and build cross-functional consensus around technical trade-offs.

Nice to have

• Experience with machine learning workloads, including training, inference, or data generation.
• Experience operating Kubernetes or SLURM at scale exceeding 10,000 nodes.
• Background in SLURM workload management, advanced scheduling policies, algorithmic optimization, or operations research.
• Experience building developer tools and platforms for large engineering organizations.

Culture & Benefits

• Full-time employment in a hybrid work environment.
• Cross-functional collaboration with infrastructure and customer-facing engineering teams.
• Opportunity to lead multi-quarter initiatives with organization-wide impact.
• Mentorship and support for junior engineers' career development.