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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Data Scientist
Irvine, California, United States
$100k-$130k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in a quantitative field, 3+ years data science experience, strong SQL and Python skills, experience with scikit-learn, PyTorch, TensorFlow, LLMs, vector DBs, RAG, and familiarity with MLOps, Docker, and Kubernetes.
SQL, Python, pandas, numpy, scikit-learn, PyTorch, TensorFlow, LLMs, vector databases, RAG pipelines, Docker, Kubernetes, CI/CD
3w
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DATA SCIENTIST II
Norco, California, United States
$115k-$130k/yr OnsiteFull Time
2+ YOEUS citizen able to obtain Secret clearance; Bachelor’s in a quantitative field; 2+ years data science experience; proficiency with Python or R, ML frameworks, SQL, data visualization, and Atlassian tools.
Python, R, TensorFlow, PyTorch, Scikit-learn, SQL, Tableau, Power BI, Jira, Confluence, Hadoop, Spark, Git, GitHub, AWS, Azure
2w
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Staff Data Scientist
Irvine, California, United States
$126k-$178k/yr OnsiteFull Time
2+ YOEAdvanced degree in CS/engineering/biostatistics or related plus multiple years experience (varies by degree); expertise in modeling, validation, and scaling ML for healthcare; ability to lead technical strategy and mentor others.
Ray, PyTorch, PyTorch Lightning, DeepSpeed, JAX, CUDA, C++
2w
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Lead Data Scientist (Context Engineering)
Irvine or El Segundo
$154k-$193k/yr OnsiteFull Time
8+ YOE8+ years in data architecture/systems or data engineering; Bachelor's in CS/Info Systems/Data Engineering required, Master's preferred; expertise in semantic modeling, Databricks, vector DBs, LangChain/LlamaIndex, Python and SQL; MarTech/CRM integration experience.
Databricks, Unity Catalog, Delta Lake, Vector Search, LangChain, LlamaIndex, Python, SQL, Salesforce, Braze, CDP, LLMs
2w
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Lead Data Scientist (Agentic Solutions)
Irvine or El Segundo
$171k-$214k/yr OnsiteFull Time
5+ YOE5+ years in ML or applied data science; expertise with agentic frameworks, SLMs, LoRA/QLoRA, token-efficient architectures; expert Python and strong SQL; Bachelor's required (Master/PhD preferred).
LangChain, LlamaIndex, Haystack, Phi, Mistral, Gemma, LoRA, QLoRA, Python, SQL, Databricks, Spark, Delta Lake, Snowplow
3w
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Data Scientist for Analytics (Engineer/Scientist Support)
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
Bachelor's degree in a related field, U.S. citizen able to obtain DoD SECRET clearance, working knowledge of MATLAB or Python, familiarity with tool verification/validation, strong analytical and communication skills, willingness to travel up to 10%.
MATLAB, Python
2mo
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Staff Data Scientist – ML, Gen AI & Agentic AI
Diamond Bar or United States
$137k-$198k/yr OnsiteFull Time
8+ YOE8+ years in Data Science/ML; CP/Growth analytics experience; Python, SQL, Snowflake, Azure ML/Databricks; GenAI/LLM workflows; strong communication.
Python, SQL, Snowflake, Azure ML/Databricks, Power BI
3w
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Data Scientist for Analytics (Engineer/Scientist Support)
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
Bachelor's degree, U.S. citizenship, ability to obtain/maintain DoD SECRET clearance, working knowledge of MATLAB or Python, familiarity with verification/validation, strong analytical and communication skills, willing to travel up to 10%.
MATLAB, Python
2mo
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Senior Data Scientist Advisor (Pomona, CA, US, 91768)
Pomona, California, United States
HybridFull Time
7+ YOELead data science initiatives; develop AI models for remote sensing; collaborate with stakeholders.
Python, R, SQL, Tableau, Power BI, AWS, Azure, Google Cloud
2mo
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Scientist - Plasma Diagnostics
Foothill Ranch, California, United States
$110k-$130k/yr OnsiteFull Time
PhD in plasma physics with in situ diagnostics; hands-on diagnostics experience; data analysis and reporting; programming in Python.
Langmuir probes, retarding field analyzers, fast ion loss detectors, pyrobolometers, thermo-optical arrays, DAQ systems, oscilloscopes, function generators, high-vacuum systems, Python
3mo
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AMOC Senior Scientist
Riverside, California, United States
OnsiteFull Time
10+ YOEBachelor’s degree in Engineering, Computer Science, IT, or related field; 10+ years in C4I/AMOSS/ISR systems; strong data analysis and problem-solving; travel required.
C4I, ISR, Data analysis tools
2w
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Technical Support Scientist
Pomona, California, United States
$82k-$141k/yr OnsiteFull Time
3+ YOEBA/BS in chemistry or biological sciences, minimum 3 years related experience, strong technical writing and communication, lab equipment knowledge, ability to perform experiments, analyze data, and write verification/validation reports.
Microsoft Excel, Microsoft Word, MS Office, Agile
2w
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Technical Support Scientist
Pomona, California, United States
$82k-$141k/yr OnsiteFull Time
3+ YOEBA/BS in Chemistry or Biological Sciences, minimum 3 years related experience, laboratory and technical writing skills, knowledge of QSR/ISO/FDA, able to run experiments, investigate complaints, perform data analysis and write validation/verification reports.
Microsoft Excel, Microsoft Word, Agile
1mo
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Scientist - Applied Laser Physics
Foothill Ranch, California, United States
$115k-$155k/yr OnsiteFull Time
PhD in Physics/Applied Physics/Optical Engineering required; established experience with optical diagnostics and laser systems in plasma or accelerator environments; expertise in interferometry and Thomson scattering; strong mentoring and data-interpretation skills.
1mo
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Staff Environmental Scientist/Certified Site Surveillance Technician
Irvine, California, United States
$75k-$85k/yr HybridFull Time
2+ YOEBachelor's in engineering/geology/environmental science required; CSST or CAC and lead inspector/assessor/project monitor/sampling technician certifications required; 2+ years related experience; valid driver’s license; fieldwork, data collection, and technical writing skills.
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