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Data Scientist
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Data Scientist / AI/ML Engineer in Weehawken, NJ, for 6 months at a competitive pay rate. Candidates need 2-3 years of experience with LangChain, RAG systems, and 4-6 years in traditional data science and ML.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
October 10, 2025
🕒 - Duration
More than 6 months
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🏝️ - Location
On-site
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Weehawken, NJ
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🧠 - Skills detailed
#ML (Machine Learning) #Classification #Data Science #NLP (Natural Language Processing) #A/B Testing #TensorFlow #PyTorch #Deep Learning #Regression #AI (Artificial Intelligence) #Time Series #Langchain #Scala #Model Validation #Databases
Role description
Job Title: Data Scientist / AI/ML Engineer
Location: Weehawken, NJ (Onsite, 5 days a week)
Duration : 6 Months
Job Description:
We are seeking an experienced Data Scientist / AI/ML Engineer to join our team in Weehawken, NJ. This role requires hands-on experience with advanced AI/ML frameworks, Retrieval-Augmented Generation (RAG) systems, and data science techniques. The ideal candidate will have strong expertise in both modern AI toolkits and traditional machine learning methods.
Key Responsibilities & Skills:
• Develop and implement AI/ML solutions using LangChain, LangGraph, LlamaIndex.
• Design and optimize Retrieval-Augmented Generation (RAG) systems, including Agentic RAG, prompt engineering, context engineering, and vector databases.
• Implement embedding and chunking strategies and apply MCP (Model Context Protocol).
• Apply data science and machine learning techniques, including classification, regression, decision trees, random forest, XGBoost, and model validation/evaluation.
• Conduct probabilistic analysis, A/B testing, and time series analysis to inform data-driven decisions.
• Leverage NLP, TensorFlow, PyTorch, and semantic analysis to develop scalable AI solutions.
Experience Required:
• 2–3 years of hands-on experience with LangChain, LangGraph, LlamaIndex, and RAG-based systems.
• 4–6 years of experience in traditional data science/ML, NLP, and deep learning frameworks.
Job Title: Data Scientist / AI/ML Engineer
Location: Weehawken, NJ (Onsite, 5 days a week)
Duration : 6 Months
Job Description:
We are seeking an experienced Data Scientist / AI/ML Engineer to join our team in Weehawken, NJ. This role requires hands-on experience with advanced AI/ML frameworks, Retrieval-Augmented Generation (RAG) systems, and data science techniques. The ideal candidate will have strong expertise in both modern AI toolkits and traditional machine learning methods.
Key Responsibilities & Skills:
• Develop and implement AI/ML solutions using LangChain, LangGraph, LlamaIndex.
• Design and optimize Retrieval-Augmented Generation (RAG) systems, including Agentic RAG, prompt engineering, context engineering, and vector databases.
• Implement embedding and chunking strategies and apply MCP (Model Context Protocol).
• Apply data science and machine learning techniques, including classification, regression, decision trees, random forest, XGBoost, and model validation/evaluation.
• Conduct probabilistic analysis, A/B testing, and time series analysis to inform data-driven decisions.
• Leverage NLP, TensorFlow, PyTorch, and semantic analysis to develop scalable AI solutions.
Experience Required:
• 2–3 years of hands-on experience with LangChain, LangGraph, LlamaIndex, and RAG-based systems.
• 4–6 years of experience in traditional data science/ML, NLP, and deep learning frameworks.