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
3w
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Staff Data Scientist
Austin or Urbandale
$124k-$186k/yr OnsiteFull Time
5+ YOE5+ years data science experience, 1+ year technical leadership, strong Python, SQL, Spark/Databricks, production ML, statistics/causal inference, model validation, and stakeholder communication skills.
Python, SQL, Spark, Databricks, feature stores, GeoPandas, H3, Rasterio, GDAL, QGIS, ArcGIS, CI/CD, vector databases, Retrieval-Augmented Generation (RAG), Generative AI (GenAI)
3w
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Staff Data Scientist
Austin or Urbandale
$124k-$186k/yr OnsiteFull Time
5+ YOE5+ years data science/ML experience, 1+ year technical leadership, hands-on Python and SQL, experience with Spark/Databricks and production ML, strong statistics/causal inference, model validation, and stakeholder communication.
Python, SQL, Spark, Databricks, feature stores, cloud platforms, GeoPandas, H3, Rasterio, GDAL, QGIS, ArcGIS, CI/CD, vector databases, transformers, RAG, GenAI
3w
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Sr Data Scientist
Des Moines or Las Vegas
$117k-$147k/yr OnsiteFull Time
8+ YOEBachelor's in a technical field (master's preferred), 8+ years data science experience, hands-on with SQL, PySpark, Python/R and libraries (pandas, scikit-learn, tidyverse), experience productionizing ML, Power BI and cloud (Azure, Databricks) experience, strong communication and leadership.
SQL, PySpark, Python, R, pandas, tidyverse, scikit-learn, caret, tidymodels, seaborn, ggplot2, Power BI, Azure, Databricks, Spark, Azure DevOps, MLOps
2w
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Senior Environmental Scientist
Des Moines, Iowa, United States
OnsiteFull Time
10+ YOE10+ years environmental consulting experience; bachelor’s or master’s in environmental field; PE/PG and HAZWOPER advantageous; strong communication, project coordination, permitting, compliance, and data analysis skills.
2d
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Turfgrass Research Scientist
Ames, Iowa, United States
OnsiteFull Time
Bachelor's degree required; conduct field and lab research, manage turf plots, collect and analyze data, operate turf equipment, and support outreach and publications.
1mo
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Associate Scientist - Food Chemistry
Des Moines, Iowa, United States
OnsiteFull Time
3+ YOEMaster's in Food Science/Chemistry/Biochemistry with 3+ years industrial experience or PhD with 0-3 years; strong food chemistry lab skills, assay development, SOPs, pilot-plant experience, advanced data analysis, and excellent communication.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint
3w
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Agronomic Research Scientist
Slater or Waterloo
HybridFull Time
5+ YOEPh.D./M.S. in agronomy preferred (B.S. considered with 5+ years); 5+ years commercial or R&D agronomy experience; strong statistical/data analysis, field trial management, personnel supervision, and communication skills.