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Machine Learning Engineer, API Multicloud

OpenAI is hiring Machine Learning Engineers for its API Multicloud team, which extends OpenAI's API platform into strategic cloud environments and supports cloud-native model customization, post-training, evaluation, and agentic workloads.

Company

OpenAI

Location

San Francisco, United States

Status

Closed

Posted

2026-09-13T03:30:51.98+00:00

OpenAI is hiring Machine Learning Engineers for its API Multicloud team, which brings the company's API platform into strategic cloud environments and supports cloud-native customization, post-training, evaluation and agentic workloads. The engineer builds production ML systems for fine-tuning, post-training-as-a-service, distillation, preference optimization and reinforcement learning, working between model behavior, data pipelines, evaluation, API integration and large-scale infrastructure. The posting asks for strong software engineering, production code quality, systems design, and hands-on experience training, evaluating, fine-tuning or deploying models with PyTorch or TensorFlow, Python or Rust, and distributed computing. A master's degree, PhD or equivalent practical experience is expected.