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LLM Post-training Engineer Graduate (Research & Product) - 2027 Start

San Jose, United States of America💼 Full-time🗓 2026-09-28

Core

Developing and optimizing post-training strategies for Large Language Models (LLMs) to power global multimedia products.

Role type

Graduate LLM Post-training Engineer (Research & Product)

Builds

Production-ready AI applications for video understanding, translation, and content classification.

Domain

AI / Machine Learning / Multimedia

Deliverable

production ML models

Required skills

Python, PyTorch or JAX, Transformer architectures, LLM training principles, dataset analysis

Preferred skills

LLM fine-tuning, RLHF, synthetic data generation, distributed training tools (DeepSpeed, Megatron-LM), multimodal AI

Responsibilities

Support development of post-training strategies (instruction tuning, SFT/DPO/PPO), build evaluation pipelines, implement reward modeling methodologies, collaborate on bridging research to production, analyze large-scale datasets.

Seniority

Graduate (2027 Start)

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