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
4d
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Principal NLP Scientist
United States
RemoteFull Time
8+ YOEPhD in a related field, 8+ years ML/AI experience, 5+ years building NLP for production, strong Python and ML framework skills, experience with LLMs, RAG, data annotation, and cloud platforms.
Python, PyTorch, Hugging Face Transformers, ONNX, Pandas, NumPy, SciPy, scikit-learn, Matplotlib, SQL, Microsoft Azure, AWS, Docker, .NET, C#, ASP.NET Core, Neo4j, FalkorDB
3w
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Data Scientist - NLP
Washington or Bethesda
RemoteFull Time
4+ YOEMaster's required (PhD preferred); 4+ years building production NLP solutions; proficiency in Python/SAS/R, scikit-learn, Keras, TensorFlow, PyTorch, Spark NLP; experience with transformers and Git/GitHub; US citizen able to obtain Public Trust clearance.
Python, SAS, R, scikit-learn, Keras, TensorFlow, PyTorch, Spark NLP, Git, GitHub, Gensim, spaCy, NLTK, BERT, GPT-J, RoBERTa, T5, Databricks, MLflow, Amazon Bedrock, Amazon Textract, Microsoft Azure translation services
3d
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Senior Data Scientist, Search & NLP
Austin, Texas, United States
HybridFull Time
5+ YOE5+ years data science experience with 2+ years in NLP/search; strong Python, SQL, NLP libraries, experiment design, and ability to translate analytics into product features.
Python, Hugging Face, spaCy, scikit-learn, Langfuse, Braintrust, OpenAI, Claude, Gemini, Snowflake, SQL
1w
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Senior Data Scientist - GenAI/NLP
Pennsylvania or United States
RemoteFull Time
7+ YOE7+ years in ML/NLP/Data Science, 3+ years building enterprise Generative AI applications, production-ready AI systems experience, strong analytical and communication skills.
LLMs, RAG, GPT, Llama, Mistral, Qwen, Claude, Gemini, DeepSeek
2mo
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Sr Applied Data Scientist - Search and Browse (Applied ML, NLP, LLMs)
Sunnyvale or Brooklyn Park
$98k-$211k/yr HybridFull Time
3+ YOEPhD or MS in CS/Statistics/Applied Math/Physics; 3+ years ML/NLP; strong Python/SQL; production ML experience; knowledge of search, NLP, vector search, and GenAI.
Python, SQL, Distributed Computing, NLP, GenAI, Embeddings, Vector Search, Spark
2mo
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Data Scientist
McLean, Virginia, United States
OnsiteFull Time
3+ YOEExperience with NLP, Python NLP libraries, deep learning, Transformers, SQL, Git/Jenkins, and communicating results.
Python, SQL, NLP libraries, PyTorch, TensorFlow, Keras, HuggingFace, Git, Jenkins, Flask, Tableau, Cloud, GPUs
2mo
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Data Scientist 3
Annapolis Junction, Maryland, United States
OnsiteContract
10+ YOENLP-focused Data Scientist with Python experience; advanced analytics for large government datasets; security clearance required.
Python, Jupyter Notebook
1mo
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Data Scientist
Potomac, Maryland, United States
OnsiteFull Time
NLP, Python, SQL, ML, and data processing expertise; experience with NLP libraries and deep learning frameworks; able to transform data into insights.
Python, SQL, NLP libraries, PyTorch, TensorFlow, Keras, HuggingFace Transformers
2mo
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Senior Data Scientist II
Raleigh or New York or California
$105k-$175k/yr HybridFull Time
Senior data scientist with ML/NLP/LLM experience; master's or higher; strong coding; hybrid search and agentic workflows experience; Python; statistics.
Python, LLMs, NLP, Vector databases, LangChain, LangGraph, AutoGen, RAG, Embeddings
1w
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Data Scientist
McLean, Virginia, United States
$200k-$240k/yr OnsiteFull Time
4+ YOENLP-focused data scientist with advanced Python and SQL skills, experience with deep learning and transformers, TS/SCI with polygraph required, multiple years of relevant experience per degree level.
SQL, Python, Spacy, Gensim, NLTK, PyTorch, TensorFlow, Keras, HuggingFace Transformers, Scikit-learn, Github, Jenkins, Tableau, Flask
2mo
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Senior Data Scientist/Engineer
Chantilly, Virginia, United States
OnsiteFull Time
4+ YOESenior data scientist/engineer with 4–8 years of experience, strong Python and NLP skills, experience with generative AI, data engineering, and security-cleared environment.
Python, Pandas, scikit-learn, PyTorch, TensorFlow, Natural Language Processing, NLP, Entity extraction, Generative AI, ETL, Docker, Kubernetes, Spark, Hadoop, Kafka, Plotly, D3.js
1mo
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Data Scientist
Arlington, Virginia, United States
HybridFull Time
4+ YOEBachelor’s in quantitative field; 4 years in data science including NLP; experience with client communication; Federal Government engagement; ability to travel.
NLP, Monte Carlo
1mo
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Data Scientist
Washington, District of Columbia, United States
$107k-$115k/yr OnsiteFull Time
3+ YOE3+ years data exploration/cleaning/visualization, experience with structured/unstructured data, NLP/ML, TS/SCI clearance, Bachelor's degree.
Python, SQL, NLP, Machine Learning, Data Visualization
2mo
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Data Scientist - Expert level (22650)
McLean, Virginia, United States
OnsiteFull Time
Expert-level data scientist with NLP, Python, ML/DL, SQL, NLP libraries (Spacy, Gensim, NLTK), Transformers/HuggingFace, PyTorch/TensorFlow/Keras, GPUs, and ability to communicate results to leadership.
Python, Spacy, Gensim, NLTK, PyTorch, TensorFlow, Keras, HuggingFace Transformers, SQL, Jupyter, Git
5d
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Data Scientist
United States
$100k-$130k/yr RemoteFull Time
Conceptual DS/AI knowledge, proficiency in NLP/GenAI and Python, experience with LLM prompt development, strong technical communication, and ability to run generative AI projects.
Python, NLP, GenAI, LLM, LangChain, LangSmith
2w
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AI Scientist
Cincinnati, Ohio, United States
OnsiteFull Time
5+ YOEPhD in AI, computer or data science; several years developing complex AI models (NLP/LLM/deep learning); Python and ML framework expertise; strong communication and leadership to guide AI projects and mentor teams.
Python, TensorFlow, PyTorch, NLP, LLM, IA
1mo
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Data Scientist
Arlington, Virginia, United States
$78k-$176k/yr HybridFull Time
2+ YOE2+ years in data cleansing/analysis/visualization, handling structured/unstructured data; 1+ years Python with Pandas/Numpy; experience building predictive models/NLP; cloud tools (AWS/Azure/Oracle); Secret clearance; Bachelor’s degree
Python, Pandas, Numpy, AWS, Azure, Oracle, NLP
2mo
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Data Scientist
McLean, Virginia, United States
$99k-$225k/yr HybridFull Time
Experience with data exploration, cleaning, analysis, visualization; handling structured and unstructured data; statistical/programming languages for data analysis; data wrangling from databases/APIs; developing predictive models; leadership; NLP/ML; TS/SCI with polygraph; Bachelor's degree.
Python, SQL, LLM APIs, NLP, Machine Learning, Data Pipelines
1mo
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Senior Data Scientist
United States
$124k-$171k/yr RemoteFull Time
5+ YOEMaster's or PhD in CS/math or related fields; or Bachelor's with 5+ years IT experience; Python, PyTorch, Transformers; NLP; US citizenship or permanent residency.
Python, PyTorch, Transformers, AWS, GitHub, CI/CD, Spark NLP, PySpark, NLP, LLMs
2w
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Computational Scientist
Buffalo, New York, United States
$130k/yr OnsiteFull Time
2+ YOEMaster's + 2 years (or Bachelor's + 4 years) in ML/Data Science/CS/Statistics, experience applying ML/AI to real-world problems, clinical NLP, EHR data, large language models/transformers, model deployment, and research/grant publication experience preferred.
AI frameworks, machine learning, deep learning, NLP, large language models/transformers, electronic health record data
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