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
3mo
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Data Scientist, Applied Intelligence
Los Angeles, California, United States
OnsiteFull Time
4+ YOE4–8+ years in data science, applied ML, or systems-oriented analytics; strong Python and SQL; experience with complex data systems; familiarity with graph-based or relational reasoning; understanding of deterministic vs probabilistic systems; ability to translate ambiguous domains into structured approaches; strong communication skills.
Python, SQL, Graph databases, Knowledge graphs
3mo
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Senior Applied Scientist, Decisioning
Santa Monica or New York or San Francisco or Los Angeles
$180k-$200k/yr HybridFull Time
Applied data science or optimization background; production systems experience; AI-first workflow; cross-functional collaboration.
Python, ML tooling, Backend workflows
2mo
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Senior Applied Scientist
Los Angeles or San Francisco
$185k-$245k/yr HybridFull Time
5+ YOE5+ years applied ML experience in recommender/ranking systems, strong statistical and experimentation skills, proficiency in Python and ML tooling, SQL and distributed/cloud ML experience, MS/PhD or equivalent industry experience.
Python, PyTorch, TensorFlow, Scikit-learn, XGBoost, SQL
3w
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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
3w
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Staff Applied Scientist, AdTech
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience; proven digital/performance marketing experience; hands-on ML in AWS; strong modeling fundamentals; multi-armed bandit, recommendation/ranking, LTV/funnel optimization experience; expert Python and SQL.
AWS, Python, SQL, Looker, Google, Meta, LLMs
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
3w
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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
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.
3w
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Staff Data 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 digital/performance marketing; hands-on ML model building and deployment in AWS; strong modeling fundamentals; expert Python and SQL; experience with adtech, bandits, recommenders, and ROAS-driven modeling.
AWS, Python, SQL, Looker, LLMs, Google, Meta
1mo
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Data Scientist: Mission Engineering
El Segundo or Los Angeles
$140k-$220k/yr OnsiteFull Time
7+ YOEBachelor's degree (or equivalent) in a quantitative field, 7+ years applying advanced statistical and data-science methods, Python expertise with scientific/ML libraries, experimental design, uncertainty quantification, scalable pipelines, and eligibility for Top Secret/SCI clearance.
Python, Pandas, Polars, NumPy, SciPy, Scikit-Learn, Statsmodels, PyMC, Matplotlib, Seaborn, CuPy, PyTorch, MATLAB, R, Linux, AFSIM, ESAMS, Brawler, Ansys STK, HPC
1mo
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Applied Scientist II, Search Ranking
Seattle or Irvine or Palo Alto
$143k-$222k/yr OnsiteFull Time
4+ YOEPhD or Master's +4 years in CS/CE/ML or related field; programming experience in Java, C++, or Python; strong background in algorithms, optimization, data mining, distributed computing; experience with ML/deep learning and scientific publication.
Java, C++, Python, Unix, Linux, MXNet, TensorFlow, Caffe, PyTorch
1mo
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Senior Principal Data Scientist, AEC
California or Washington or New York or British Columbia or Ontario or Irvine
$159k-$286k/yr RemoteFull Time
10+ YOE10+ years in data science/applied ML focused on product analytics and user behavior modeling; expertise in predictive modeling, instrumentation, AI evaluation, and experimentation; strong communication and technical leadership.
LLMs, MCP, RAG architectures, LLM-as-a-Judge, A/B testing
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
1mo
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Sr. Data Scientist (Irvine, CA, US)
Irvine, California, United States
$114k-$220k/yr OnsiteFull Time
8+ YOEBS + 8 years in ML/CS/EE/applied math (PhD preferred); strong ML/DL (CNNs, transformers, time-series, probabilistic methods); Python and PyTorch/TensorFlow/Scikit-learn; statistics, optimization, model evaluation; cross-team collaboration.
Python, PyTorch, TensorFlow, Scikit-learn, Airflow, MLflow
2mo
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Senior Applied Scientist, Leo Satellite Build Intelligence
Bellevue or Long Beach or El Segundo
$167k-$226k/yr OnsiteFull Time
3+ YOE3+ years ML model building; PhD or Masters with 6+ years research; Java/C++/Python; deep learning; large-scale data; production deployment.
Java, C++, Python, Machine Learning, LLM, RAG
2w
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Senior Data Scientist, Model Risk & Data Analytics, Internal Audit - AMS
Los Angeles, California, United States
$130k-$278k/yr OnsiteFull Time
5+ YOE5+ years applied data science/ML experience with LLMs and traditional models, bachelor's in quantitative field, strong SQL and Python skills, experience auditing models and building data pipelines.
SQL, Python, Hugging Face Transformers, TensorFlow, PyTorch, scikit-learn, AWS, GCP, Azure, Snowflake, Hadoop, Flink, MapReduce, LLMAuditor
2mo
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Applied Artificial Intelligence Scientist III (Los Angeles, CA, US, 90017)
Los Angeles, California, United States
$135k-$216k/yr OnsiteFull Time
6+ YOE6+ years in ML/AI in healthcare/enterprise; full AI lifecycle; Python, ML frameworks; production deployment; mentorship; cross-functional collaboration.
Python, Pandas, Scikit-learn, PySpark, Spark, Snowflake, Azure ML, Databricks, LangChain, OpenAI APIs, Azure OpenAI, Git
1w
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Senior Marketing Scientist, Level 4
Los Angeles or San Francisco or New York or Santa Monica
$133k-$235k/yr OnsiteFull Time
5+ YOE5+ years advanced analytics and measurement experience, strong applied statistics and causal inference skills, proficiency with SQL/R/SAS, excellent communication, and ability to develop measurement strategy for ads.
SQL, R, SAS
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