Senior Multimodal LLM Researcher: Post-Training & RL Lead
Apple Oakbrook
Apple Inc. is seeking a Senior ML Researcher focused on foundation model post-training, including Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL). You will explore instruction following, tool use and reasoning to ship real-world capabilities for millions of creators within Apple's human-centered design framework. You will collaborate with research scientists, engineers, and product teams to drive multimodal model capabilities, including video understanding, reasoning, and agentic
#J-18808-Ljbffr$184.7k - $324.8k
...We are looking for a Senior ML Researcher who is passionate about foundation model post-training, including Supervised... ...Reinforcement Learning (RL), and has experience with... ...-world use cases in multimodal space. Our goal is to... ...experience in Multi-Modal LLM training and...SeniorRelocation- ...Responsible for exploring reinforcement learning and operational research algorithms in intelligent dispatching and intelligent... ...- Optimize various basic algorithms such as NLP, vision, multimodal, search, graph, LLM, etc. to provide support for governance business, explore...SeniorOverseas
$57 per hour
...day. @2026 TikTok Algorithm Research Scientist Intern (Trust and Safety - CV/NLP/Multimodal LLM) - 2027 Start (PhD) Location:... ...business scenarios, like pre-training, zero-shot/ few-shot learning,... .... About TikTok TikTok is the leading destination for short-form mobile...SuggestedHourly payInternshipLocal area- TikTok in Seattle is seeking a Research Scientist Intern (Trust and Safety) focusing on CV/NLP/Multimodal LLM for a 2027 start. PhD candidates welcome. This internship blends... ...with product impact and collaboration with senior researchers. You will develop models to detect...SuggestedInternship
- ...CoreWeave in the United States is seeking a strong ML researcher/engineer to join the CRAFT team. You will generate and evaluate research... ...to push self-improving agents. You'll work with LLM post-training techniques, CUDA kernels to dashboards, and help scale AI with...Senior
- ...Scientist to join our AI team, focusing on LLM and Computer Vision across Cloud, Devices... ...and deploy cutting-edge models enabling multimodal understanding and intelligent reasoning.... ...years of experience, and a track record of research excellence. You’ll collaborate with cross...Senior
$203k - $258.6k
....Meet the TeamThe Cisco AI Research team is a dynamic group of... ...global scale.Your ImpactAs an Senior AI Researcher, you will... ...observability infrastructure.Drive pre-training initiatives to build... ...experience,Experience with LLM pre-training and post training experience within...SeniorFull timeTemporary workInternshipWork at officeLocal areaFlexible hours- ...complexity in multilingual and multimodal content, and upgraded... ...scale MoE architecture training and routing... ...understanding and generation2. RL-driven agentic decision... ...direction and produce research outcomes with... ...understanding of cutting-edge LLM research (e.g., long context...Flexible hoursShift work
- ...team focuses on applied research in Generative AI, delivering... ...-edge areas including multimodal foundation models, image... ...models through large-scale training and post-training (e.g., SFT, RL). The role also involves... ...generation and editing; VLM/LLM fine-tuning; Efficient...
- ...Ai2, a Seattle-based AI research institute, is hiring a Senior Research Scientist to train and advance fully open foundation models. You will lead research, build training pipelines, curate data, and contribute to multimodal model development in a fast-paced environment...Senior
- ...Noösphere in Seattle, WA, seeks an experienced ML researcher to shape multimodal foundation models and build evals for real-world deployment. You’ll drive pretraining and post-training experiments, optimize models for edge and cloud targets, and ship telemetry-driven...Senior
- ...film, television and literature. I need an experienced Python/LLM evaluation engineer to implement and stress-test an existing 20-... ...not a website development, chatbot, creative writing or model-training project. The objective is to test an existing diagnostic system...
$57 per hour
...Safety team. This role involves building machine learning models for content protection, developing multimodal moderation systems, and experimenting with large-scale training architectures. Ideal candidates are PhD students with proficiency in Python, Rust, or C++, and...Hourly payInternship- Axon is hiring a Senior Research Scientist in Seattle to advance computer vision and multimodal AI for enterprise and public safety. You will... ...and researchers to design, train and deploy cutting-edge CVML models... ...and cloud platforms. You will lead end-to-end research, optimize...Senior
$57 per hour
...Contribute to the development of multimodal moderation foundation models, focusing on training stability, routing optimization,... ...understanding of cutting‑edge LLM research and practical experience in implementing... .... Familiarity with PEFT, RL, MoE, CoT, or LangChain is an...Hourly payInternshipLocal areaFlexible hours$200k - $287.5k
...future of how work gets done.Senior Software Engineer — Cortex... ...inside Snowflake. Cortex Training is our LLM post-training platform: it turns... ...everything from SFT to full RL workflows. You'll work alongside... ...sweats reliability and the researchers behind DeepSpeed. We're...Senior$205.4k - $308.5k
...turn cutting edge research into compelling user... ...are looking for a senior technical leader... ...production scale multimodal ML. An ideal candidate... ...the ability to lead diverse cross functional... .... Experience with training and adapting large... ...to this posting on an ongoing basis...SeniorRelocationShift work- ...NVIDIA Corporation is seeking an AI Security Researcher to advance the protection of AI models, systems, and infrastructure. You will conduct novel research, develop tooling, and publish results to strengthen AI security across NVIDIA's platforms. The role emphasizes...Senior
$142.8k - $193.2k
...on Reinforcement Learning (RL) post-training of frontier Large Language Models... ...? Come join the world class researchers and academics in the AWS AI... ...computing!AWS, the world-leading provider of cloud services.... ...include, but are not limited to: LLM post-training to improve...Immediate startFlexible hours$202.16k - $368.22k
...Senior Research Engineer / Scientist - Storage for LLM Location: Seattle Team: Infrastructure Employment Type: Regular Job Code: A152690 About the... ...of databases, large‑scale systems, and AI, the team leads innovation in areas such as vector and multi‑modal...SeniorTemporary workLocal area- Cisco’s AI Research team seeks a Senior AI Researcher to advance Generative AI for networking applications, privacy, and model safety. You will publish foundational work, lead projects, and collaborate across Cisco’s ecosystem to deploy research breakthroughs into practical...Senior
- ...Applied Researcher – AI Expert Location: Hybrid... ...generation, long-lead equipment, and how... ...rather than training alone, Working... ...vision, audio, or multimodal models. ~ Hands... ...SGLang, TensorRT-LLM, or equivalent) and... ...ownership: Operate as a senior individual...Work at officeRelocation3 days per week
- ...Large Language Model (LLM) service platforms... ...solutions spanning text and multimodal LLM algorithms, LLM training/fine-tuning/... ...talented engineers and researchers specializing in... ...Familiarity with LLM post-training, reasoning... ...with great people. We lead with curiosity, humility...Internship
$136k - $184k
...to build industry-leading technology with Large... ...Models (LLMs) and multimodal systems. Key... ...developing and maintaining LLM-as-a-Judge systems... ...high-quality training and evaluation... ...data quality issues, research new auditing... ....00 USD annually Posted: October 15, 2026...16 hoursFlexible hours$142.3k - $263.3k
...AI Research Scientist: Multimodal Foundation Models - Architecture, Pre-Training & Distillation Seattle, Washington, United States Machine... ..., this work may also lead to publications and the open sourcing... ...models. Experience with LLM pre‑training topics such as model...Relocation- ...Amazon is seeking a Senior Applied Scientist to develop tactile- and force-driven manipulation policies for dexterous, multi-fingered robotic hands, and to research policy learning algorithms enabling grasping in unstructured real-world environments. You will work...Senior
- ...Apple Inc. seeks a Senior Machine Learning Engineer in Seattle to drive Generative AI... ...Engineering. You will design, deploy, and scale LLM-powered systems for personalized... ...and large-scale understanding. You will lead research in NLP, representation learning, and RAG...Senior
$173k - $248.4k
...the future of how work gets done.As a Senior User Researcher at Snowflake, you’ll shape what we build... ..., design, engineering, and marketing leads to set priorities, make tough calls,... ...the United States, please visit the job posting on the Snowflake Careers Site for...Senior- ...reinforcement learning and agent interaction. You will define interfaces between products and core platform, shaping data models for RL-at-scale and agent usability. You’ll work with a founding team known for frontiers in Human AI interaction, shaping experiences for...Senior
- ..., and trustworthy: the training and evaluation pipelines... .... Collaborate with research and product to turn methods... ...to be a research-level RL expert). Has seen -... .... Familiarity with LLM fine-tuning, evaluation... ...Backed by the world's leading healthcare and AI...Senior
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