Senior ML Infra Architect for Ads & Discovery

Roblox; California (MO); On-site; USD 295,000 - 345,000; Full time

Job summary

Roblox is seeking an ML Infrastructure Engineer to build scalable, reliable infrastructure powering ML systems across the organization. You will work with modelers, data engineers, and platform teams to advance large-scale training and serving for recommendations, search, and content understanding.

The role emphasizes performance, cost-efficiency, and production readiness. Ideal candidates have 5+ years of experience in production ML systems and 3+ years in ML infrastructure leadership, with

Qualifications

• 5+ years of experience designing, building, and deploying large-scale machine learning systems in production environments.
• 3+ years of experience leading ML infrastructure engineers.

Responsibilities

• Co-design models and systems at the intersection of model architecture and ML infrastructure.
• Investigate data pipelines, distributed training, low-latency inference, and production serving.

Skills

Large-scale ML systems

Production ML engineering

Technical leadership

Model training & serving

Model architecture collaboration

Education

BS, MS, or Ph.D. in Computer Science or Engineering

Tools

FSDP

vLLM

SGLang

CUDA

Distributed training frameworks

GPU kernels

Job description

Roblox is seeking an ML Infrastructure Engineer to build scalable, reliable infrastructure powering ML systems across the organization. You will work with modelers, data engineers, and platform teams to advance large-scale training and serving for recommendations, search, and content understanding.

The role emphasizes performance, cost-efficiency, and production readiness. Ideal candidates have 5+ years of experience in production ML systems and 3+ years in ML infrastructure leadership, with