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
4w
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Machine Learning Scientist
Culver City, California, United States
OnsiteFull Time
5+ YOEMaster's or PhD in a quantitative field, 5+ years building and deploying production ML models; expertise in deep learning, reinforcement learning, recommendation/ranking systems; strong Python and SQL skills; excellent communication.
Python, SQL
1mo
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Machine Learning Scientist 5 - Ads Bidding
United States or Los Angeles or Los Gatos
$466k-$750k/yr RemoteFull Time
Advanced degree in a quantitative field, proficiency in Python/Scala/Java, deep ML and optimization knowledge, experience deploying algorithms on large-scale production data, and experience building bidding algorithms.
Python, Scala, Java
3mo
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Machine Learning Scientist 5 - Ad Ranking
Los Angeles or New York or Los Gatos or Remote
$466k-$750k/yr RemoteFull Time
PhD or Master’s in CS, Statistics, Mathematics or related field; proficiency in Python/Scala/Java; strong ML, optimization, and data analysis skills; experience with large-scale production data; knowledge of ad optimization is a plus.
Python, Scala, Java, Machine Learning, Optimization, Data analysis
3mo
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Machine Learning Scientist 5 - Ad Ranking
United States or New York City or Los Angeles or Los Gatos
$466k-$750k/yr RemoteFull Time
Advanced degree in CS/statistics/math, proficiency in Python/Scala/Java, deep ML and optimization knowledge, experience deploying models on large-scale production data, and ad optimization experience.
Python, Scala, Java
2mo
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Machine Learning Scientist (L4/L5) - Multi-modal Algorithms for Games
Los Gatos or Los Angeles
$466k-$750k/yr OnsiteFull Time
Expert in deep learning, transformers, diffusion; experience with LLMs/VLMs, multi-modal systems, optimization, and Python/PyTorch.
Python, PyTorch, Transformers, Diffusion, Reinforcement Learning, Machine Learning, Software Optimization
1mo
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Machine Learning Scientist 5 - Multi-modal Algorithms for Games
Los Gatos or Los Angeles
$466k-$750k/yr OnsiteFull Time
Expertise in multi-modal ML (LLMs, VLMs), model optimization (distillation, pruning, quantization), Python and PyTorch experience, data curation, and deploying efficient models for low-latency cloud and edge use.
PyTorch, Python
1d
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Machine Learning Scientist Intern (TikTok-Recommendation) - 2027 Start (PhD)
Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
PhD student in CS or ML, strong theoretical and empirical research skills, experience with deep learning frameworks, proficiency in Python/C/C++/shell, and strong publication or research background.
PyTorch, TensorFlow, C++, C, Python, Shell
1mo
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Machine Learning Scientist 5 - Ads Bidding
Los Angeles or Los Gatos
$466k-$750k/yr RemoteFull Time
Advanced degree in a quantitative field; proficiency in Python, Scala or Java; experience building bidding algorithms on large-scale data; strong communication skills.
Python, Scala, Java
3w
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Applied Scientist, Machine Learning Accelerator - Annapurna Labs
Austin or Cupertino or Los Angeles County
$143k-$193k/yr OnsiteFull Time
3+ YOEPhD or Master's + experience in CS/CE/ML, 3+ years building models for business applications, publications/patents, programming in Java/C++/Python, and experience in algorithms, optimization, parallel/distributed or high-performance computing.
SMT solver, Java, C++, Python, Unix/Linux, Amazon S3, Amazon EC2
2mo
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AI Research Scientist - Machine Learning for Behavioral AI
Pasadena, California, United States
$154k-$217k/yr OnsiteFull Time
3+ YOEDoctoral or advanced experience in ML for generative modeling; experience in molecular/ materials design; strong Python + PyTorch/JAX; publications in top venues.
Python, PyTorch, JAX, DFT, Molecular Dynamics, LAMMPS, OpenMM, ASE
1mo
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Research Scientist 4 - Machine Learning and Inference Research, LLM Post-Training
New York City or Los Angeles or Los Gatos
$300k-$537k/yr OnsiteFull Time
Ph.D. in Computer Science or related field with specialization in post-training LLMs and RL; top-tier publications; strong technical communication, collaboration, and self-motivation to drive research to impact.
1mo
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Research Scientist 4 - Machine Learning and Inference Research, LLM Post-Training
New York or Los Angeles or Los Gatos
$300k-$537k/yr OnsiteFull Time
Ph.D. in CS or related field with specialization in post-training LLMs and RL methods; strong top-tier publications; excellent technical communication, collaboration, independence, and ability to translate research into impact.
1mo
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Senior Data Scientist
Santa Monica, California, United States
$92k-$138k/yr OnsiteFull Time
1+ YOEExpertise in single-cell (scRNA-seq/scTCR-seq) analysis, statistical and machine learning methods, Python and R proficiency, cloud/HPC experience, and domain experience in immunology or cell therapy; degree plus relevant years of experience required.
Python, R
3w
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Sr. Applied Scientist, Amazon Music - Search Science
Sunnyvale or Los Angeles County
$192k-$260k/yr OnsiteFull Time
3+ YOE3+ years building ML models for business; PhD or Master's with 6+ years applied research; experience programming in Java, C++, or Python; experience with neural deep learning and machine learning.
Java, C++, Python, LLMs, R, scikit-learn, Spark MLlib, MXNet, TensorFlow, NumPy, SciPy, Hadoop, Spark
3d
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CD&A Data Scientist, Obesity - Senior Associate
Thousand Oaks, California, United States
$104k-$141k/yr HybridFull Time
0+ YOEMaster's degree or degree+relevant experience; proficiency in Python/R, SQL, visualization tools (Tableau/Spotfire), cloud analytics, and statistical/machine‑learning concepts.
Python, R, SQL, Tableau, Spotfire, Databricks, Azure, AWS
2mo
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Data Scientist - Business Analytics & ML (Irvine, CA, US, 92606)
Irvine, California, United States
$107k-$132k/yr OnsiteFull Time
3+ YOE3+ years of data science experience; strong Python and SQL skills; experience with machine learning and big data tools; able to translate analytics into actionable business insights.
Python, SQL, Spark, Hadoop, Databricks, AWS, Power BI, Tableau, MicroStrategy
2mo
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Postdoctoral Researcher/Lab Scientist – Deep Phenotyping
Irvine, California, United States
$67k-$83k/yr OnsiteFull Time
PhD required in neuroscience or related field; experience with TMS, EEG, EMG, MRI; programming in Python/MATLAB/R; machine learning, statistical analysis, grant and manuscript writing.
Transcranial Magnetic Stimulation (TMS), Magnetic Resonance Imaging (MRI), Electroencephalography (EEG), Electromyography (EMG), Python, MATLAB, R
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