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
2w
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Staff Applied Scientist, AdTech
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York or Philadelphia or Stamford
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience; background in digital/performance marketing or leadgen; hands-on ML model building and deployment in AWS; strong modeling fundamentals; expert Python and SQL; experience with bandits, recommendation, and monetization optimization.
Python, SQL, AWS, Looker, Google, Meta, LLMs
2mo
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Applied Scientist, Artificial General Intelligence - Data Services
Boston, Massachusetts, United States
$143k-$193k/yr OnsiteFull Time
3+ YOE3+ years modeling for business use; PhD or Master’s with 4+ years in CS/ML; proficient in Java/C++/Python; NLP and dataset processing experience.
Java, C++, Python, Unix/Linux
3d
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Senior Research Data Scientist
Boston or New York
$330k-$375k/yr HybridFull Time
10+ YOEPhD-preferred research data scientist with 10+ years applying causal inference and ML to large observational datasets; expertise in observational causal methods, communication skills, and productionizing pipelines.
Spark, Ray, SQL, Python, scikit-learn, XGBoost, LightGBM
1w
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Data Scientist I
Somerville, Massachusetts, United States
$140k-$170k/yr OnsiteFull Time
Applied statistics and data science background, experience with Python/pandas/SQL, strong communication and collaboration, familiarity with clinical trial data governance; advanced quantitative degree preferred.
Python, pandas, SQL
2mo
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Staff Data Scientist
North Bethesda or Waltham
$163k-$190k/yr HybridFull Time
8+ YOE8+ years in data science/ML with a BA; 5-6+ years with a Master’s; PhD with 3-4+ years of applied experience; expert Python/SQL; experience with 3D geometry and AI in manufacturing.
Python, SQL, Geometric Deep Learning, 3D Computer Vision
1mo
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Senior Data Scientist
New York or Chicago or Boston or Toronto or London
$110k-$124k/yr HybridFull Time
5+ YOE5+ years applied ML/AI experience, advanced degree or equivalent, experience deploying ML at scale in cloud (Databricks/AWS), strong Python and statistical foundations, model validation and risk awareness, Git and CI/CD familiarity.
Databricks, AWS, Python, Git, CI/CD
1w
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Principal Data Scientist (AI-assisted Clinical Development)
Boston, Massachusetts, United States
$169k-$314k/yr OnsiteFull Time
6+ YOEAdvanced degree in data/CS/statistics,6+ years applying statistical and ML methods in clinical/biomedical domains,experience with model development, simulation studies, deployment, and responsible AI practices.
Python, R, scikit-learn, TensorFlow, PyTorch, Stan, PyMC, brms, ML Ops
1mo
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Senior Data Scientist/AI Analyst
Chicago or Norwalk or West Hartford or Washington or Boston or New York City or Atlanta or Hamilton or United States
$135k-$170k/yr RemoteFull Time
5+ YOEBachelor's in a relevant field required; 5+ years in data science or applied AI. Hands-on experience with LLMs, statistics, classical ML, Python/R, SQL, and building/operationalizing AI/ML solutions; experience with Streamlit/R Shiny/PowerBI or similar.
Python, R, SQL, git, Streamlit, R Shiny, PowerBI
2w
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Senior Data Scientist – Agentic AI / Graph/ LLM Science, Vice President
Quincy, Massachusetts, United States
$120k-$203k/yr OnsiteFull Time
5+ YOE5+ years in applied ML/NLP, experience with LLMs/GenAI, graph databases and knowledge graph construction, proficiency in Python and ML libraries, familiarity with cloud (AWS/Azure/GCP) and MLOps, and bachelor's or master's in a related field.
Agentic AI, LLMs, GenAI, Neo4j, RDF, DGL, Python, PyTorch, TensorFlow, Scikit-learn, AWS, Azure, GCP, MLOps
2w
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Senior Data Scientist – Agentic AI / Graph/ LLM Science, Vice President
Quincy, Massachusetts, United States
$120k-$203k/yr OnsiteFull Time
5+ YOE5+ years applied ML/NLP experience; hands-on LLM/GenAI production experience; strong Python and PyTorch/TensorFlow/Scikit-learn skills; experience with graph databases (Neo4j, RDF, DGL), embeddings, cloud (AWS/Azure/GCP) and MLOps; Bachelor's/Master's in relevant field.
Neo4j, RDF, DGL, Python, PyTorch, TensorFlow, Scikit-learn, AWS, Azure, GCP, LLM, GenAI
3w
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Senior Expert Data Science (Applied AI, LMW Drug Discovery)
Cambridge, Massachusetts, United States
$139k-$257k/yr HybridFull Time
4+ YOEAt least 4 years building and deploying ML solutions; strong Python and deep learning experience, version control, generative chemistry and structure-based drug design expertise, and ability to translate AI outputs for scientific decision-making.
Python, Pandas, R Programming, Structured Query Language (SQL), Deep Learning, Machine Learning (ML), Artificial Intelligence (AI)
3w
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Applications Scientist 3
Hillsboro or Wilmington or Texas or United States
$97k-$145k/yr OnsiteFull Time
0+ YOEDegree in physics, materials science, EE, applied math or related; 0-3 years experience; optics and metrology knowledge; scripting (Matlab/Python) and data analysis a plus; able to travel up to 20% and work in fabs up to 40%.
Matlab, Python
3w
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Associate Scientist/Sr. Associate Scientist/Scientist, Islet Process Sciences
Watertown, Massachusetts, United States
$115k-$150k/yr OnsiteFull Time
2+ YOEHands-on experience with human pluripotent stem cell culture and suspension bioreactors; ability to design and run differentiation experiments, analyze RT-qPCR/flow/ELISA data, apply DOE, and maintain high-quality documentation.
PBS Vertical Wheel bioreactors, RT-qPCR, Flow cytometry, ELISA, JMP, MODDE, GraphPad Prism, FlowJo, ImageJ/Fiji
1mo
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Machine Learning Scientist, Applied Machine Learning and Agentic AI, Pharma R&D
New York City or Boston or Redwood City or Chicago
$100k-$160k/yr OnsiteFull Time
3+ YOEPhD required (or Masters with 3+ years), strong AI/ML, agentic AI, oncology data, Python, LangGraph preferred, multimodal data, cloud deployment, excellent communication.
Python, LangGraph, Retrieval-Augmented Generation, LLM
1mo
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(Senior) Scientist, Machine Learning
Cambridge, Massachusetts, United States
$132k-$259k/yr OnsiteFull Time
2+ YOEPh.D. (2+ yrs industry) or M.S. (6+ yrs) in ML/computational chemistry/CS/applied math; expertise in molecular ML, quantum chemistry/DFT, generative models; Python and PyTorch experience; data curation and cross-functional collaboration.
Python, PyTorch, PyTorch Geometric, DGL, RDKit, ORCA, Gaussian, Q-Chem, DFT
2mo
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Lead Research Scientist - Machine Learning
Woburn, Massachusetts, United States
$174k-$220k/yr OnsiteFull Time
8+ YOEMS with 8+ years or PhD with 5+ years in applied math, physics, electrical engineering, CS, or data science; ML/AI expertise; PyTorch/TensorFlow/JAX; data science tools; Python/C/C++; ability to lead teams and obtain security clearance.
PyTorch, JAX, TensorFlow, scikit-learn, Pandas, Matplotlib, Python, C/C++
1w
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Principal Scientist / Associate Director, Agentic AI Research for Materials Science
Cambridge or San Francisco
$288k-$420k/yr OnsiteFull Time
5+ YOEPhD with 5+ years post-PhD research and applied ML experience; track record building agentic systems; expertise in LLMs, reasoning, multimodal data, materials science grounding; Python proficiency; leadership and communication skills.
Python, LLMs, HPC
1mo
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Computational Scientist I- Center for Genomic Medicine
Cambridge, Massachusetts, United States
$88k-$124k/yr HybridFull Time
2+ YOEPhD in genetics or related field; 2+ years in computation; strong programming (R/Python); genomic data analysis experience; ability to develop/apply tools; good communication.
Python, R, Genomics, Cloud computing
1mo
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Scientist Nucleic Acids Computational Biology
Cambridge, Massachusetts, United States
$141k-$171k/yr OnsiteFull Time
0+ YOEDegree in computational biology or related field; strong foundation in RNA biology, RNA secondary structure analysis, NGS data analysis, AI/ML applied to NGS, proficiency in Python or R, experience with cloud/HPC; publication or patent record preferred.
Python, R, NGS, SHAPE-MaP, DMS-MaP, SHAPE-seq, ribosome profiling, RIP-seq, CLIP-seq, spatial transcriptomics, AI/ML, high-performance computing, cloud computing
2w
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Associate Director, Machine Learning (Core Algorithms)
Boston, Massachusetts, United States
$200k-$245k/yr OnsiteFull Time
8+ YOE4+ Mgmt8+ years in ML or applied data science with consumer product experience; 4+ years managing ML scientists/engineers; experience scaling production ML orgs, cross-functional program leadership, and strong communication skills.
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