CareerPlanGet AI match score →

ML Research Engineer, ML Systems

San Francisco, CA💼 Full-time💰 $189,600–$189,600🗓 2026-07-09 → 2026-07-31

Core

Building and optimizing Scale's internal distributed framework (RLXF) for large language model training, inference, and data quality evaluation.

Role type

ML Research Engineer, ML Systems

Builds

Distributed training and inference framework for LLMs

Domain

Artificial Intelligence / Large Language Models / Distributed Systems

Deliverable

production ML models

Required skills

CUDA, PyTorch, Transformers, Flash Attention, multi-node LLM training, distributed ML systems, software engineering

Preferred skills

post-training methods, instruction tuning, RLHF, tool use, reasoning, agents, multimodal models

Technologies

CUDA, PyTorch, Transformers, Flash Attention

Responsibilities

Build, profile, and optimize training and inference framework; Collaborate with ML teams to accelerate research and development; Research and integrate state-of-the-art technologies to optimize ML systems

Seniority

Individual Contributor

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.
Apply on Greenhouse ↗