21 ai research scientist jobs at 18 companies in Bonsall, CA
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Principal Research Scientist - Frontier Industrial AI
San Leandro or New York City or Massachusetts or Lake Forest or Philadelphia
$214k-$356k/yr HybridFull Time
PhD or equivalent research experience in a relevant field; original AI research, strong software development, experimental systems, independent project execution, and expertise in advanced machine learning areas.
Python
7h
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Staff Gen AI Research Scientist
Costa Mesa or Seattle or Washington
$220k-$292k/yr OnsiteFull Time
2+ YOERequires a technical degree, 2+ years focused on generative models and transformers, production Python and deep learning expertise, LLM experience, and eligibility for a U.S. Top Secret clearance.
Lattice OS, Python, PyTorch, JAX, Axolotl, Hugging Face, DeepSpeed, Megatron-LM, LangChain, LlamaIndex, NVIDIA Jetson
1mo
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Staff Research Scientist - Tokamak Expermntl Science
San Diego or Princeton
$111k-$178k/yr OnsiteFull Time
3+ YOEPhD in plasma physics or related field with minimum 3 years post-PhD experience; expertise in real-time diagnostics, Plasma Control System implementation, real-time computing, and AI/ML for control; strong analytical and English communication skills.
Plasma Control System (PCS), AI, ML
2d
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Research Scientist I/II, Immunology
San Diego, California, United States
$113k-$156k/yr OnsiteFull Time
0+ YOEPhD in immunology or related field with 0–4 years’ experience, or MS with 7+ or BS with 9+ years. Requires hands-on immunology studies, flow cytometry, cytokine assays, assay development, and strong scientific communication.
AI, machine learning, electronic laboratory records, multiparameter flow cytometry
1mo
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Artificial Intelligence Scientist IV
Los Angeles or Irvine
$208k-$354k/yr OnsiteFull Time
10+ YOEMS in CS/AI/ML required (PhD preferred), 10+ years relevant experience, expertise in LLMs, generative and agentic AI (RAG, PEFT, instruction fine-tuning, prompt engineering), transformers and deep learning, publication record, ability to collaborate with engineering and mentor scientists.
Deep Neural Networks, Large Language Models (LLMs), RAG, Transformers, Agentic AI
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Postdoctoral Scientist
San Diego, California, United States
$58k-$123k/yr OnsiteFull Time
PhD (conferred or expected by June 2026) in a relevant field; hands-on mass spectrometry experience for protein characterization; knowledge of bioconjugation and DAR analysis; strong communication and publication record; authorized to work in the U.S.
Thermo LC/MS, Agilent LC/MS, LC-MS, LC-MS/MS, Mass spectrometry, AI/ML
1mo
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Principal Scientist- Search
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$212k-$394k/yr HybridFull Time
8+ YOEPhD and 8+ years building and deploying production AI systems; deep expertise in information retrieval, search, NLP, RAG, knowledge graphs, LLMs; strong product sense and leadership skills.
Python, PyTorch, Hugging Face, Azure ML, Azure AI Foundry, AWS SageMaker
2w
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Sr. Associate Scientist, Translational Pharmacology
San Diego, California, United States
$96k-$116k/yr OnsiteFull Time
2+ YOEBS with 4+ years or MS with 2+ years in in vivo pharmacology, translational research, biology, molecular biology, or related discipline; hands-on laboratory experience and radioactive isotope work required.
AI tools, ELISA, western blot
2w
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Senior Principal Scientist, Neuropsychiatry Discovery
San Diego, California, United States
$137k-$236k/yr OnsiteFull Time
10+ YOEPhD and 10+ years in neuroscience/biochemistry/molecular biology with drug discovery experience, assay development, collaboration, and ability to leverage AI-enabled tools.
2mo
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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
1w
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Senior Staff Bioinformatics Scientist
San Diego or United States
$171k-$256k/yr RemoteFull Time
5+ YOEPhD or equivalent industry experience; 5+ years with a PhD, 8+ with a master's, or 12+ with a bachelor's. Requires NGS algorithms, transcriptomics, statistical modeling, production software, machine learning, and technical leadership.
C++, Python, machine learning, artificial intelligence, foundation models, large language model (LLM), cloud computing
2mo
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Senior Scientist, Bioinformatics
San Diego, California, United States
HybridFull Time
3+ YOEPh.D. in bioinformatics, computational biology, genomics, statistics, or related quantitative field with 3–5+ years industry experience; strong statistics and ML foundation; extensive single-cell analysis experience; proficient in Python and R; experience supporting drug discovery; able to use AI/LLM tools; excellent communication; collaborative; a...
Python, R, Scanpy, Seurat, scVI, JavaScript
1mo
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Sr. Scientist, Computational Chemistry
San Diego, California, United States
$111k-$151k/yr OnsiteFull Time
5+ YOEExpertise in computational chemistry, molecular modeling, ML/AI for drug discovery, protein-ligand modeling, molecular dynamics, and scripting; ability to drive discovery projects and present results.
python, C++, R, Schrodinger, CCG, Open Eye
3mo
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Scientist, GPCR Biology - San Diego, CA (81105)
San Diego, California, United States
$100k-$140k/yr OnsiteFull Time
PhD in Cell Biology, Pharmacology, Neurobiology or related field; hands-on GPCR biology expertise; strong molecular biology and mammalian cell culture skills; experience with GPCR assays and in silico discovery; data analysis in R/Python.
GPCR assays, Mammalian cell culture, Radioligand binding, Docking, Structure-based modeling, AI/ML, R, Python
1mo
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Sr Scientist, Plasma Control
Irvine, California, United States
$120k-$145k/yr OnsiteFull Time
PhD in physics or related field; experimental plasma physics and magnetic confinement fusion experience; expertise in real-time control systems, FPGA hardware/firmware, embedded systems, and advanced AI/ML methods; leadership and strong communication.
FPGA, Embedded C, C++, Matlab, Simulink, Stateflow, Real-Time Operating Systems
1mo
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Senior Scientist, Organic Chemistry - San Diego, CA
San Diego, California, United States
$140k-$170k/yr OnsiteFull Time
5+ YOEPhD-level organic/medicinal chemist with 5+ years post-PhD experience, strong synthetic and analytical skills, medicinal chemistry knowledge, familiarity with molecular modeling/AI/ML, and excellent communication.
molecular modeling, AI, Machine Learning, automation
4w
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Assistant, Associate, or Full Project Scientist - Public Health
San Diego, California, United States
$80k-$129k/yr OnsiteFull Time
3+ YOEDoctoral degree required, 3+ years postdoctoral or equivalent experience, publication and presentation record, experience with adaptive intervention designs, computational and machine learning methods, and scientific writing.
AI, machine learning
1mo
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Data Science, Cheminformatics & AI: Lab-in-the-Loop Hit Finding
San Diego, California, United States
$139k-$257k/yr OnsiteFull Time
4+ YOEPhD or equivalent degree with 4+ years post‑graduate experience applying cheminformatics, data science, and ML to hit finding; proficiency in Python, SQL, Linux/HPC/cloud; strong communication and interdisciplinary collaboration skills.
Python (Programming Language), Pandas (Python), R (Programming Language), Sql (Structured Query Language), Linux, Enamine REAL
1d
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Applied Science Manager, GameLift
Seattle or New York or San Diego
$184k-$274k/yr OnsiteFull Time
3+ MgmtRequires 3+ years managing scientists or ML engineers, ML and algorithm knowledge, scalable predictive systems experience, business ML model development, and communication with technical and business stakeholders.
AI, ML, NLP, Information Retrieval, Analytics, deep learning, computer vision
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