NVIDIA is hiring a Senior Deep Learning Scientist to advance our efforts in streaming and agentic multimodal AI. You will demonstrate foundational expertise in deep learning, reinforcement learning, and applied mathematics to help develop models capable of reasoning, planning, and acting across diverse modalities. This is a chance to define core algorithmic improvements for foundational models that balance multiple data types, scaling your ideas through our Nemotron platform. You will work on high-impact, high-visibility large language models and multimodal AI products that improve the experience for millions of users. If you are creative and passionate about solving real-world agentic AI challenges, come join our Nemotron LLM team. For more details on Nemotron LLM, check https://www.nvidia.com/en-us/ai-data-science/foundation-models/nemotron/ What you will be doing: - Apply fundamental and applied research to develop, train, fine-tune, and deploy advanced neural networks for language processing in agentic systems encompassing audio-visual reasoning, tool usage, and document understanding. - Advance post-training and alignment methods including instruction tuning, preference optimization, and RLHF/RLVR to improve multimodal agents for complex use cases. - Research and develop agentic reasoning and grounded perception capabilities, focusing on planning, tool execution, and long-horizon task completion across digital and physical environments. - Lead the collection, development, and benchmarking of multimodal datasets, ensuring high-quality evaluation of model accuracy, safety, and task completion success. What we need to see: - Master's degree (or equivalent experience) or PhD in Computer Science, AI, or Applied Math with 8+ years of relevant work experience. - Excellent programming skills in Python with strong fundamentals in scalable model development and deep learning frameworks like PyTorch. - Strong knowledge of ML/DL techniques and modern foundation model architectures, including Transformers and mixture-of-experts models. - Foundational understanding of reinforcement learning algorithms and implementation, including MDPs, policies, and reward design. - Hands-on experience in post-training multimodal models for audio-visual reasoning and human-AI interaction. - Proven ability to manage model development life cycles, including dataset versioning, experiment tracking, and evaluation pipelines. Ways to stand out from the crowd: - Strong record of publications in top-tier AI and machine learning venues such as NeurIPS, ICML, ICLR, or CVPR. - Validated experience training and deploying multimodal foundation models using large-scale distributed infrastructure. - Experience applying deep reinforcement learning techniques to train multimodal agents in complex simulation or gaming environments. - Background in building embodied AI systems that integrate multimodal perception with backend action-fulfillment and long-horizon planning. With highly competitive salaries and a comprehensive benefits package, NVIDIA is considered one of the industry's most desirable employers. As you plan your future, see what we can offer you and your family at www.nvidiabenefits.com/. If you are a creative and autonomous engineer with a genuine passion for state-of-the-art technology, we want to hear from you! Your base salary will be determined based on your location, experience, and the pay of employees in similar positions. The base salary range is 184,000 USD - 287,500 USD. You will also be eligible for equity and benefits. Applications for this job will be accepted at least until July 28, 2026. This posting is for an existing vacancy. NVIDIA uses AI tools in its recruiting processes.