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
5d
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Lead Growth Data Scientist
San Diego or Atlanta or Orlando
$150k-$170k/yr HybridFull Time
5+ YOE5+ years experience, Bachelor's in quantitative field required, experience mentoring data scientists and building/deploying recommendation models, proficiency in R/Python/SQL and Git, AWS/Tableau/Salesforce preferred.
R, Python, SQL, Git, AWS, Tableau, Salesforce
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, AdTech
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience in digital/performance marketing or leadgen; building/deploying ML in AWS; expertise in Python and SQL; experience with adtech algorithms, bandits, recommendation, LTV and ROAS-driven models.
Python, SQL, AWS, Looker, Google, Meta, LLMs
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
1w
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Data Scientist, Principal
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$182k-$273k/yr HybridFull Time
8+ YOEAdvanced experience in applied AI/ML and software development, strong Python engineering, hands-on with deep learning and LLM frameworks, experience building production AI applications and leading ML design.
Python, PyTorch, TensorFlow, LangChain, LangGraph, SQL, Spark, Azure, Google Cloud, AWS
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
1mo
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Lead Analytic Scientist
San Diego, California, United States
$123k-$193k/yr OnsiteFull Time
MS or PhD in a quantitative field, strong hands-on experience in predictive modeling and data mining, scripting (Perl/Bash), experience with Java/Python/C++/C, ability to lead teams and work with large real-world datasets.
Perl, Bash, Java, Python, C++, C
2w
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Lead Applied Scientist, Marketing
Los Angeles or Portland or San Diego or Seattle or United States
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience in performance/leadgen; hands-on ML in AWS; expertise in Python and SQL; experience with bandits, recommendation/ranking, monetization/LTV modeling; strong modeling fundamentals and stakeholder communication.
AWS, Python, SQL, Looker, LLMs, Google, Meta
2w
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TEMP - Scientist, Lead Generation Biology
San Diego, California, United States
$43-$63/hr OnsiteFull Time
2+ YOERequires BS/BA in a scientific field with 2+ years in vitro pharmacology experience (MS/PhD preferred). Experience in assay development, primary CNS cell culture, liquid handling automation, LIMS, radioisotopes, and data analysis.
LIMS, electronic laboratory notebook
1w
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Data Engineer, iOS — Health Technologies
San Diego, California, United States
OnsiteFull Time
Design and support data pipelines and analysis workflows; build and maintain iOS and macOS apps; collaborate with research leads, data scientists, and engineers.
iOS, macOS
1w
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TEMP - Scientist, Lead Generation Biology - Antibody & Biomolecular Interactions
San Diego, California, United States
$43-$63/hr OnsiteFull Time
2+ YOEBS/BA in a scientific field, 2+ years lab experience, experience with MSD/ELISA and immunoassay development, mammalian cell culture, data analysis, automation and strong documentation and communication skills.
MSD, ELISA, ELN
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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