# Build AI systems research jobs

429 live research roles are rated Level 4, a score of 80 to 100 out of 100. Building AI systems is the job itself: without AI, the role would not exist. The tools named most often are PyTorch, Python, and Jax. The median listed salary starts at $200,000. 26% are remote.

## Openings

- [Staff Research Scientist - Physical AI / Multimodality  at Snowflake](https://jobsbylevel.com/jobs/staff-research-scientist-physical-ai-multimodality-at-snowflake-d81471): AI centrality 100 out of 100.
- [Senior Research Engineer - Autonomous Vehicles at NVIDIA](https://jobsbylevel.com/jobs/senior-research-engineer-autonomous-vehicles-at-nvidia-d229fe): AI centrality 100 out of 100.
- [ML Research Intern at Modal](https://jobsbylevel.com/jobs/ml-research-intern-at-modal-724276): AI centrality 100 out of 100.
- [Research Scientist - World Model at Luma AI](https://jobsbylevel.com/jobs/research-scientist-world-model-at-luma-ai-785076): AI centrality 100 out of 100.
- [LLM Agent Research Scientist 大模型智能体研究科学家 at Canva](https://jobsbylevel.com/jobs/llm-agent-research-scientist-at-canva-79ab2e): AI centrality 100 out of 100.
- [Research Engineer, Post-Training Inference at Together AI](https://jobsbylevel.com/jobs/research-engineer-post-training-inference-at-together-ai-353453): AI centrality 100 out of 100.
- [Senior Deep Learning Research Engineer – Multimedia GPU team at NVIDIA](https://jobsbylevel.com/jobs/senior-deep-learning-research-engineer-multimedia-gpu-team-at-nvidia-8a7712): AI centrality 100 out of 100.
- [Senior Quantum AI Research Scientist,  Applied Research at NVIDIA](https://jobsbylevel.com/jobs/senior-quantum-ai-research-scientist-applied-research-at-nvidia-784c39): AI centrality 100 out of 100.
- [Senior Deep Learning Research Engineer, LLM Inference at NVIDIA](https://jobsbylevel.com/jobs/senior-deep-learning-research-engineer-llm-inference-at-nvidia-809141): AI centrality 100 out of 100.
- [Applied Deep Learning PhD Research Intern, Reinforcement Learning for LLMs - Fall 2026 at NVIDIA](https://jobsbylevel.com/jobs/applied-deep-learning-phd-research-intern-reinforcement-learning-for-llms-fall-2026-at-nvidia-7adf91): AI centrality 100 out of 100.
- [Senior Applied AI Researcher, Digital Biology at NVIDIA](https://jobsbylevel.com/jobs/senior-applied-ai-researcher-digital-biology-at-nvidia-fc6923): AI centrality 100 out of 100.
- [Research Engineer, Model Inference & Serving - Paris at H Company](https://jobsbylevel.com/jobs/research-engineer-model-inference-serving-paris-at-h-company-095845): AI centrality 100 out of 100.
- [Research Engineer / Scientist, Post-training  & Reinforcement Learning - London at H Company](https://jobsbylevel.com/jobs/research-engineer-scientist-post-training-reinforcement-learning-london-at-h-company-36ad47): AI centrality 100 out of 100.
- [Research Engineer, Model Inference & Serving - London at H Company](https://jobsbylevel.com/jobs/research-engineer-model-inference-serving-london-at-h-company-526ac3): AI centrality 100 out of 100.
- [Applied Machine Learning Research Scientist at Cerebras](https://jobsbylevel.com/jobs/applied-machine-learning-research-scientist-at-cerebras-4c2222): AI centrality 100 out of 100.
- [AI Researcher — Training Optimization at Featherless AI](https://jobsbylevel.com/jobs/ai-researcher-training-optimization-at-featherless-ai-347447): AI centrality 100 out of 100.
- [AI Researcher — Distillation at Featherless AI](https://jobsbylevel.com/jobs/ai-researcher-distillation-at-featherless-ai-b39a70): AI centrality 100 out of 100.
- [AI Researcher — Inference Optimization at Featherless AI](https://jobsbylevel.com/jobs/ai-researcher-inference-optimization-at-featherless-ai-81807e): AI centrality 100 out of 100.
- [Research Engineer / Scientist, Post-training - Paris at H Company](https://jobsbylevel.com/jobs/research-engineer-scientist-post-training-paris-at-h-company-390ade): AI centrality 100 out of 100.
- [Research Scientist (Applied LLMs), London at Isomorphic Labs](https://jobsbylevel.com/jobs/research-scientist-applied-llms-london-at-isomorphic-labs-ebdfe9): AI centrality 100 out of 100.

## Related

- [All AI levels](https://jobsbylevel.com/levels)
- [How the AI level is measured](https://jobsbylevel.com/method)
- [Build AI systems jobs](https://jobsbylevel.com/level/4)

Source: https://jobsbylevel.com/level/4/research