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
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 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
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
2mo
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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
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
3mo
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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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