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Apple

# Senior ML Researcher: Multimodal LLM Post-Training

Seattle, United States of America Senior individual contributor Research & Science 

Listed on Apple’s official careers site. Posted October 12, 2026. Check that it is still open and apply there.
[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200688031/senior-ml-researcher-multimodal-llm-post-training)

[OpenNash Jobs](https://jobs.opennash.com/) / [Apple](https://jobs.opennash.com/companies/apple/) / Senior ML Researcher: Multimodal LLM Post-Training

## Job description

We are looking for a Senior ML Researcher who is passionate about foundation model post-training, including Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL), and has experience with core capabilities such as instruction following, tool use, deep thinking, and reasoning. In this role, you will research, design, and deliver models where machine learning research meets real-world product impact. You will work closely with research scientists, engineers, and product teams to find new ways that generative AI can help our creative users.

Your mission is to improve the workflows of millions of creators by combining generative AI with Apple's human-centered design principles.

## At a glance
- Posted by the employer: Oct 12, 2026
- First seen by OpenNash: Oct 18, 2026
- Last checked: Oct 18, 2026
- Listed for: 6 days
- Location: Seattle, United States of America[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200688031/senior-ml-researcher-multimodal-llm-post-training)

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