10 ai research scientist jobs at 8 companies in Los Angeles, CA
PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
1mo
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AI Research Scientist — Agentic AI for Materials Discovery
Redmond or Pasadena
$184k-$257k/yr OnsiteFull Time
2+ YOEBachelor's or PhD in a technical field; 2+ years with LLMs/prompts; Python and ML frameworks; experience building end-to-end AI systems; domain familiarity in chemistry or materials.
Python, PyTorch, JAX, React, HPC, DFT, MD, Monte Carlo, tool-use agents, retrieval-augmented generation, knowledge graphs
3w
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Research Scientist, Quantum Error Correction, Quantum AI
Goleta or Los Angeles
$147k-$211k/yr OnsiteFull Time
PhD in a quantum computing domain or equivalent experience, publication record in quantum error correction, proficiency in research and simulation, and ability to publish and collaborate with academic partners.
6d
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Scientist II, Translational Research
Redwood City or Boston or New York City or Chicago or San Francisco or Los Angeles or California or Colorado or Illinois or New York
$90k-$150k/yr OnsiteFull Time
4+ YOEPhD preferred, 4+ years drug development experience using genomic and multimodal data, strong computational biology and AI knowledge, proficiency in R/Python/ SQ, client-facing experience, and ability to travel ~25%.
R, Python, SQ, Pandas, NumPy, SciPy, Scikit-learn, Jupyter Notebooks, RStudio, tidyverse, ggplot, Git, matplotlib, seaborn, HTML5, CSS3, JavaScript, D3, Plot.ly, Flask, Dask, Docker, AWS
1mo
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Senior AI/ML Scientist, Planetary Science
Long Beach or New York City
$154k-$211k/yr HybridFull Time
3+ YOEPhD in a technical field and 3+ years of experience; expertise in transfer learning, domain adaptation, or fine-tuning; multi-modal data fusion; end-to-end problem ownership; collaboration with scientists and engineers.
Python, TensorFlow, PyTorch, scikit-learn, ML frameworks, multi-modal data fusion
3w
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Senior Scientist - Translational Safety & Risk Sciences (TSRS)
United States or Cambridge or South San Francisco or Thousand Oaks
$129k-$175k/yr RemoteFull Time
0+ YOEAdvanced degree or equivalent experience in science or data science; experience building data infrastructure, Databricks, Spotfire, SharePoint and AI/ML integration for translational safety and NAMs; strong communication and collaboration skills.
Databricks, Spotfire, SharePoint, Benchling, LIMS, ELN, AI/ML
2w
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R&D Food Scientist
Irvine, California, United States
$80k-$100k/yr OnsiteFull Time
3+ YOEMinimum 3 years experience; Master's in Food Science or related preferred; expertise in food/beverage/supplement formulation, food chemistry, microbiology, processing, protein characterization; customer-facing technical support; project management; willing to travel up to 20%.
AI
1mo
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Applied Scientist II, Search Query Understanding
Irvine or Palo Alto or Seattle
$143k-$193k/yr OnsiteFull Time
4+ YOEPhD or Master's +4 yrs in CS/CE/ML or related; programming in Java, C++, or Python; strong ML/AI/LLM background (RAG, model optimization); experience with algorithms, data structures, and large-scale systems.
Java, C++, Python, Unix, Linux
6d
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Director of Biology & Biochemistry
Pasadena, California, United States
$164k-$282k/yr OnsiteFull Time
PhD/post-doc in related field required; proven leadership in biology/biochemistry, assay development, protein expression/characterization, SPR experience, lab automation knowledge, and ability to lead projects and mentor scientists. On-site in Pasadena 5 days/week; some domestic and international travel.
SPR, AI, Machine Learning