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
3mo
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Staff Data Scientist
Cambridge or New York
$200k-$325k/yr HybridFull Time
5+ YOE5+ years in data science or ML; healthcare data experience; strong Python/SQL; ability to design experiments and influence product decisions.
Python, SQL, ML frameworks
2mo
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Staff Data Scientist
North Bethesda or Waltham
$163k-$190k/yr HybridFull Time
8+ YOE8+ years in data science/ML; advanced degree options; expert Python/SQL; expertise in geometric deep learning and 3D geometry; experience managing strategic external partnerships.
Python, SQL, Geometric Deep Learning, Computer Vision, 3D mesh processing
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
3w
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Sr. Staff Data Scientist- Eng
Lowell or Atlanta
$146k-$209k/yr HybridFull Time
5+ YOEPhD+5 years or Master’s+10 years in data science; expertise in generative/agentic AI, LLMs, deep learning, forecasting, Python, PyTorch/TensorFlow, Pandas/NumPy, SQL, and cloud ML (GCP/BigQuery).
Python, PyTorch, TensorFlow, Pandas, NumPy, SQL, GCP, Agent Platform, BigQuery, GKE, Dataflow, LangGraph, Model Context Protocol
1w
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Staff Data Scientist
New York or Chicago or Boston or San Francisco or Palo Alto or Toronto
$170k-$210k/yr RemoteFull Time
6+ YOE6+ years experience (consulting, investment banking, or high-growth tech), strong analytical skills, SQL/Python proficiency, clear communication, ownership of ambiguous problems.
SQL (Clickhouse), Metabase, Python, Jupyter Hub, GitHub
3mo
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Staff Data Scientist, Clinical Performance
San Francisco or New York City or Boston
$160k-$200k/yr RemoteFull Time
8+ YOEAdvanced quantitative expert with 8+ years, graduate degree in statistics/economics/biostatistics/epidemiology; strong causal inference, forecasting, Python/SQL, cloud (AWS/Snowflake/dbt); excellent communication.
Python, SQL, AWS, Snowflake, dbt, SageMaker
3w
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Staff Data Scientist, Marketing
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; proven digital/performance marketing or leadgen background; strong modeling fundamentals; multi-year ML deployment experience in AWS; experience with bandits, RL, recommender/ranking, funnel/LTV modeling; expert Python and SQL.
Python, SQL, AWS, Looker, Google, Meta
2mo
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Staff Data Scientist, Machine Learning in Epidemiology and Patient Data Products
Lexington or United States
$165k-$190k/yr RemoteFull Time
5+ YOE5+ years ML with real-world patient data; healthcare data; Python; ML pipelines; EHRs and ontologies; cross-functional work.
Python, scikit-learn, PyTorch, statsmodels, SciPy, MLflow
3mo
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Associate Director (Staff Data Scientist), Enterprise Data Science
Waltham, Massachusetts, United States
$158k-$180k/yr HybridFull Time
10+ YOE10+ years in advanced analytics, operations research, or ML/AI; pharma/healthcare domain preferred; strong Python/SQL; cloud (AWS); GenAI; leadership and stakeholder management.
Python, SQL, pandas, NumPy, scikit-learn, OR-Tools, Gurobi, Pyomo, AWS, Snowflake, DBT, GenAI, MLOps
3w
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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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Multimodal Data Infrastructure Engineer (Member of the Technical Staff)
Cambridge, Massachusetts, United States
OnsiteFull Time
Design and build end-to-end data pipelines for multimodal scientific data; implement data quality, privacy, and scalable storage solutions; collaborate with scientists and engineers.
Prefect, Temporal, Python, Infrastructure as Code, AWS S3
2mo
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Staff, ML Research Scientist
Waltham, Massachusetts, United States
$154k-$193k/yr OnsiteFull Time
5+ YOE5+ years in deep learning for computer vision or LLMs; Transformers, VLMs/VLAs, and Deep Reinforcement Learning; data management, training, deployment; strong communication; collaborative work.
Python, TensorFlow, PyTorch, Transformers, DL frameworks, Computer Vision, Reinforcement Learning
3w
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Plasma Diagnostics Scientist
Madison or Woburn or Vancouver or Knoxville or Boston or Culham
HybridFull Time
Ph.D. in physics/engineering, extensive experience designing and operating plasma diagnostics, proficiency with Python and MATLAB, strong data analysis, troubleshooting, and communication skills; ability to mentor junior staff.
Python, MATLAB
4w
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Senior Analytical Scientist I
Hopkinton, Massachusetts, United States
OnsiteFull Time
2+ YOEBachelor's/Master's/PhD in relevant science with 2+ years (PhD path) up to 10+ years experience depending on degree; experience with HPLC/CE/dissolution, method development/validation, data analysis, Microsoft Office, and mentoring junior staff.
HPLC, Capillary Electrophoresis, Gel Electrophoresis, ELISA, RiboGreen, PicoGreen, UPLC, UV/VIS, fluorescence, multimode microplate reader, dissolution apparatus, particle size analyzer, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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Senior Scientist II Discovery Bioanalysis, PK Sciences
Cambridge, Massachusetts, United States
$99k-$183k/yr OnsiteFull Time
1+ YOEBS (6+ yrs) or MS (4+ yrs) or PhD (1+ yrs) in bioanalytical lab science; hands-on LC-MS method development, sample preparation (SPE, LLE, IMC); ability to run complex experiments, mentor junior staff, analyze and report PK/TK data.
LC-MS/MS, SFC-MS/MS, LC-HRMS, LC-MS, SPE, LLE, IMC, Adobe Photoshop, Oscilloscope
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