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
1mo
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Sourcing - Director, Data Science: Data Science Tools
Boston or Portsmouth or Seattle or Columbus or Plano
$120k-$257k/yr HybridFull Time
3+ YOESenior technical data science role building internal tooling, pipelines, and Python packages; experience with MLOps, AI/LLM tooling, workflow orchestration, and Python development tools. Advanced quantitative background and multi-year relevant experience required.
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
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
1w
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Data Analyst Intern (TikTok Shop AMS Data Science) - 2026 Summer (BS/MS)
Seattle, Washington, United States
OnsiteInternship
Pursuing a Bachelor's or Master's in quantitative field, able to commit to a 12-week full-time internship, proactive, cross-functional collaborator, proficient in SQL and data visualization.
SQL, tableau
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
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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AI Agent Development Project Intern (TikTok Shop Governance and Experience) - 2026 Start (BS/MS)
Seattle, Washington, United States
OnsiteIntern
Pursuing or recently completed BS/MS in CS, Data Science, Engineering, Business Analytics, Compliance or related; familiarity with AI/ML and NLP; strong communication, data handling, and problem-solving skills.
Microsoft Excel, SQL
2d
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Agentic AI Intern
Boston or Seattle or Ontario or San Francisco
RemoteInternship
Pursuing or recently completed BS/MS in CS/data science/engineering; proficiency in Python (pandas,numpy); foundational ML knowledge; strong communication and autonomy; passion for autonomous agents.
DataRobot platform, AutoML, GenAI, MLOps, Python, pandas, numpy, LangGraph, CrewAI, LlamaIndex, FastAPI, Flask, Docker, Slack, Confluence
3mo
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Research Analyst Summer Intern
Seattle, Washington, United States
HybridInternship
Pursuing degree in epidemiology, biostatistics, data science, public health, health informatics or related field; strong analytics; experience with R/Python/SQL; knowledge of observational design and real-world data; strong written and verbal communication; able to work independently and in a team.
R, Python, SQL
3mo
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PRIMeD at Fred Hutch - Postdoc Recruitment in Immunology, Medicine, and Data science
Seattle, Washington, United States
OnsiteFull Time
Ph.D. students or recent Ph.D. graduates planning to begin a postdoc by Nov 2027; open to immunology, data science, and related biomedical fields; domestic and international applicants welcome.
1w
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Platform Campaign Project Intern (TikTok Shop - Operations) - 2026 Start (BS/MS)
Seattle, Washington, United States
OnsiteInternship
Currently pursuing undergraduate or master’s in business, statistics, CS, data science, engineering, analytics or related; strong logical thinking, data analytics, communication, organization, and project execution skills.
1mo
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AI Builder Intern
San Francisco or New York City or Seattle
$74k-$112k/yr OnsiteFull Time, Internship
Hands-on experience with LLM APIs and agentic/automation frameworks, production-quality Python or JavaScript coding, product instincts, and current enrollment in an undergraduate or graduate CS/data science/engineering program.
OpenAI, Anthropic, Python, JavaScript, LangChain, LangGraph, CrewAI, Slack, Salesforce, Notion, React, Cursor, Claude, Copilot, AutoGen, n8n, Zapier, GitHub
1w
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Campaign Traffic Strategy & Operations Project Intern (TikTok Shop - US Operation) - 2026 Start (BS/MS)
Seattle, Washington, United States
OnsiteInternship
Currently pursuing an undergraduate or master\u0002s degree in business, economics, statistics, data science, CS, marketing or related; analytical skills, Excel/Google Sheets proficiency, strong communication and problem-solving; 3+ month commitment.
Microsoft Excel, Google Sheets
6d
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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
6d
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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