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
5d
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Data Scientist Lead
Costa Mesa, California, United States
$146k-$195k/yr HybridFull Time
3+ YOEBachelor's in quantitative field, 3+ years data science experience, 1+ year leading projects, advanced SQL and Python, cloud/data platform experience, ML production deployment, and strong communication.
SQL, Python, AWS, Google Cloud Platform (GCP), Databricks, Snowflake, Tableau, Power BI
6d
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Data Scientist Lead
Costa Mesa, California, United States
$146k-$195k/yr HybridFull Time
Proven experience in statistics and data analysis, proficient with SQL and either Python or R, experience with Tableau and Excel, strong communication and Agile experience.
SQL, Python, R, Microsoft Excel, Tableau
1w
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Data Scientist Lead
Costa Mesa, California, United States
$146k-$195k/yr HybridFull Time
Proven statistics and data analysis experience; proficiency with SQL and either Python or R; experience creating dashboards and communicating findings to stakeholders; Agile team experience preferred.
SQL, Python, R, Microsoft Excel, Tableau
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
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++
2mo
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Tech Lead - Data Scientist
Newport Beach, California, United States
$220k-$250k/yr OnsiteFull Time
6+ YOE2+ Mgmt6+ years in data science/ML with 2+ years in technical leadership; production ML/data systems; Python proficiency; security domain awareness; solving complex problems with data and ML.
Python, Machine Learning Frameworks
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
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.