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
2mo
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Software Engineer - AI Engineer II/III
Rancho Santa Margarita, California, United States
$80k-$140k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s in Computer Science or related field; 2+ years AI/ML experience; strong Python; experience with ML frameworks; knowledge of MCP, LLMs, AI agents; on-site collaboration.
Python, Git, Flask, PyTorch, TensorFlow, LangChain, LangGraph, AutoGen, Docker, Kubernetes, Pinecone, Milvus, ChromaDB, FAISS, OpenAI, HuggingFace
2mo
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Staff Security Engineer - AI Security
Atlanta or Irvine or Palo Alto
$141k-$176k/yr HybridFull Time
4+ YOEAdversarial mindset, AI/ML fluency, Python/Go experience, modern ML frameworks, and ability to communicate risk to executives.
Python, Go, PyTorch, Hugging Face, LangChain, Garak, PyRIT, Machine Learning frameworks
1w
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Sr Engineer, AI Innovations
Irvine, California, United States
$150k-$194k/yr OnsiteFull Time
8+ YOE8+ years AI/ML engineering or MLOps experience, familiarity with AI lifecycle, strong problem-solving and leadership, bachelor\u0002s in CS/Engineering or +5 years experience in lieu, relevant ML certifications preferred.
1mo
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AI Evaluation Engineer
Bucharest or Boulder or Boston or Chicago or Glendora or Richmond or London or Auckland
lei16k-lei19k/mo HybridFull Time
5+ YOEBachelor's in CS/Data/Math, 5+ years software engineering with focus on testing/evaluation or AI/ML tooling, strong Python, experience building evaluation pipelines and LLM eval concepts, familiarity with RAG and production data pipelines.
RAGAS, LangSmith, PromptFlow, Snowflake, Python, RAG
2w
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Computer Vision Engineer
Rancho Santa Margarita, California, United States
$80k-$140k/yr OnsiteFull Time
3+ YOEBachelor's in CS/CE/EE or equivalent experience, 3+ years relevant experience, strong math and analytical skills, hands-on experience with image processing, computer vision, ML/DL, C++ or Python, and libraries/frameworks such as NumPy, Pandas, SciPy, Matplotlib, Scikit-learn, OpenCV, PyTorch, TensorFlow, or Keras.
C++, Python, NumPy, Pandas, SciPy, Matplotlib, Scikit-learn, OpenCV, PyTorch, TensorFlow, Keras, MySQL, SQL Server, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP)
4w
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Postdoctoral Research Fellow, Computer Science, AI/ML, Computer Graphics, VR/AR/XR, 2026-2027 Academic Year
Orange, California, United States
$71k-$75k/yr OnsiteFull Time, Temporary
Doctorate in CS/engineering/data science (awarded within last 5 years), strong research in ML/deep learning/generative AI, programming and writing skills, publication record, ability to work collaboratively, and current US work authorization.
1mo
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Integration Capacity Analysis (ICA), Engineer 3 (Pomona, CA, US, 91768)
Pomona or California
HybridFull Time
5+ YOEBachelor's degree in engineering or related field, 5+ years engineering experience in operations/production/construction/maintenance, valid Class C driver license, ability to pass background/PRA for NERC/CIP roles; preferred experience with power systems, power flow modeling, Python, SQL, Snowflake, ML, and data visualization.
Python, SQL, Snowflake
2mo
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Postdoctoral Fellow - Modeling Tumor Evolution and Treatment (Hybrid)
Duarte, California, United States
HybridFull Time
PhD in computational biology, bioinformatics, systems biology, biomedical engineering, statistics, computer science, or related field; strong computational and ML skills.
Python, R, Bioconductor, PyTorch, TensorFlow, Stan, Pyro
3mo
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Senior Director, AI Innovation
Corona, California, United States
$270k-$310k/yr OnsiteFull Time
10+ YOE3+ Mgmt10+ years in AI/ML/automation strategy; 3-5 years leading enterprise AI initiatives; familiar with modern AI platforms; preferred AI leadership certifications.
Microsoft Copilot, Azure AI, OpenAI, Google Vertex
1w
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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
2mo
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Ethnic Studies Librarian
Fullerton, California, United States
$7k-$15k/mo OnsiteFull Time
Tenure-track Ethnic Studies Librarian; MLS/ALA; expertise in Ethnic Studies; information literacy, research support, collection development; instructional duties; collaboration with faculty.
Library databases, Library management system
4w
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Institutional Research and Analytics - Student Assistant
San Bernardino or California or United States
$17/hr OnsiteMultiple Commitments Available
Undergraduate CSU student in good standing (2.0+ GPA), eligible to work in the U.S. with Social Security card; basic–intermediate Python preferred; interest/experience with AI/ML, web development, and data analysis; able to work on-campus 2–3 days/week.
Python, LLM