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
1w
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Data Scientist Intern (TikTok Shop User Product DS) - 2026 Start (PhD)
Seattle, Washington, United States
OnsiteInternship
PhD candidate in a quantitative field, proficient in SQL/Python/R, experienced with A/B testing and statistical modeling, strong communication and data storytelling skills.
SQL, Python, R
1w
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Data Scientist Intern (TikTok Shop Business Product DS) - 2026 Start (PhD)
Seattle, Washington, United States
OnsiteInternship
PhD student in a quantitative discipline with expertise in SQL, Python or R, statistics, A/B testing, causal inference, data visualization, and experience building analytics or ML pipelines.
SQL, Python, R, Scikit-learn, TensorFlow, PyTorch, Hive, Spark, Hadoop
1w
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Data Scientist Intern (TikTok Shop Business Product DS) - 2026 Start (BS/MS)
Seattle, Washington, United States
OnsiteInternship
Pursuing undergraduate or master's in quantitative field; proficiency in SQL/Python/R; strong statistics and A/B testing skills; data visualization and communication; able to commit to a 12-week full-time internship.
SQL, Python, R, Scikit-learn, TensorFlow, PyTorch, Hive, Spark, Hadoop
2mo
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Language Data Scientist, Alexa International
Bellevue, Washington, United States
$136k-$184k/yr OnsiteFull Time
2+ YOE1+ Mgmt2+ years data science; 3+ years SQL/Python; 3+ years ML/statistical analysis; 1+ years guiding researchers; 1+ years AI system experience; STEM master's or higher; applied modeling experience.
SQL, Python, R, SAS, Matlab, Machine Learning tools
1w
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Data Science Project Intern (TikTok Shop-Supply Chain & Logistics) - 2026 Start (BS/MS)
Seattle, Washington, United States
OnsiteInternship
Currently pursuing BS/MS in quantitative field, strong data analysis experience, SQL required, Python or R preferred, able to commit ≥3 months.
SQL, Python, R
1mo
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Director, Data Science: Data Science Tools
Boston or Portsmouth or Seattle or Columbus or Plano
$120k-$257k/yr HybridFull Time
3+ YOEExperienced data scientist with multi-year experience building Python-based ML tooling, pipelines, and internal packages; familiarity with MLOps, AI/LLM agent frameworks, workflow tools, and software engineering practices.
Python, MCP, RAG, PydanticAI, LangChain, Luigi, Airflow, Celery, MLflow, H2O, scikit-learn, Optuna, LightGBM, Pydantic, FastAPI, uv, ruff, pytest, Git, Bash, pre-commit, Databricks, Streamlit, Dash, NiceGUI, Plotly
2w
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Research Scientist Intern, NMR Analysis Automation
Redmond, Washington, United States
$7k-$12k/mo OnsiteInternship
Pursuing a PhD in chemistry/chemical engineering, experienced with solution-state NMR, proficient in Python for spectral analysis, and experienced building automated data processing pipelines.
Python, Bruker
1w
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Research Engineer / Scientist -AI for Databases
Seattle, Washington, United States
OnsiteFull Time
PhD in CS/Data Science or related, strong publication record, deep database internals knowledge, experience with ML frameworks and modern programming languages.
PostgreSQL, MySQL, XGBoost, LightGBM, TensorFlow, PyTorch, scikit-learn, Python, C++, Java, AWS, GCP, Azure
1w
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Research Scientist Intern– E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
Seattle, Washington, United States
OnsiteInternship
PhD candidate in CS or related field; strong ML foundation; experience with big data frameworks and deep learning; familiarity with distributed training, model compression, and research publications.
Hadoop, MapReduce, Spark, TensorFlow, PyTorch, TensorRT
1w
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Applied Scientist Intern - Trust and Safety (Multimodal Foundation Model) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
Seattle, Washington, United States
OnsiteInternship
PhD candidate in CS/Data/AI, strong LLM and multimodal knowledge, proficiency in Python/Rust/C++, experience with deep learning frameworks and distributed training, strong research and problem-solving skills.
Python, Rust, C++, PyTorch, DeepSpeed, Megatron, vLLM, LangChain
3mo
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Senior Research Scientist, Global Health Modeling (*2-year LTE)
Seattle, Washington, United States
$190k-$295k/yr OnsiteFull Time
5+ YOEPhD in statistics/biostatistics or related field; 5+ years applied statistical research in public health; strong forecasting/time-series; proficient in Python and R; experience with messy real-world data; international collaboration.
Python, R, Statistical Modeling, Forecasting, Time-series Analysis, Data Cleaning, Reproducible Research
1w
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Senior Research Engineer / Scientist -AI for Databases
Seattle, Washington, United States
OnsiteFull Time
PhD in CS/Data Science, strong publication record, deep knowledge of database internals, experience with ML frameworks and large-scale systems, strong analytical and communication skills.
PostgreSQL, MySQL, XGBoost, LightGBM, TensorFlow, PyTorch, scikit-learn, Python, C++, Java, AWS, GCP, Azure