Numentica
Senior Data Scientist / Machine Learning Engineer (NLP)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Scientist/Machine Learning Engineer (NLP) in Calabasas, CA or Las Vegas, NV, offering a 6-month contract. Requires 4-6+ years of experience in Data Science, production-grade NLP models, and proficiency in Python, PySpark, and SQL.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
July 17, 2026
🕒 - 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
Calabasas, CA
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🧠 - Skills detailed
#ML (Machine Learning) #Model Evaluation #NLP (Natural Language Processing) #Spark (Apache Spark) #Monitoring #Data Pipeline #Classification #Data Science #PySpark #Datasets #Python #Pandas #Trend Analysis #Spark SQL #MLflow #SQL (Structured Query Language) #Data Processing #Databricks #Anomaly Detection #Scala
Role description
Job Title: Senior Data Scientist / Machine Learning Engineer (NLP)
Location: Calabasas, CA / Las Vegas, NV (Onsite – 4 Days/Week)
Duration: 6 Months Contract
Work Authorization: USC, GC, and all valid EADs (No H1B, OPT, CPT)
Must-Have Skills
• 4–6+ years of Data Science / Machine Learning experience
• Production-grade NLP Classification Models
• Intent, Topic, Sentiment & Multi-label Classification
• Python, PySpark, SQL, Pandas
• Customer message/call transcript analytics
• Trend & Anomaly Detection
• Dataset labeling & annotation workflows
• Model evaluation (Precision, Recall, F1, Confusion Matrix)
• Model monitoring & Drift Detection
• PII-safe data processing
Responsibilities
• Build and deploy NLP models for customer communications.
• Develop intent, topic, and sentiment classification systems.
• Design scalable Python/PySpark data pipelines.
• Prepare and clean transcript/message datasets.
• Build anomaly detection and trend analysis models.
• Create high-quality labeled datasets and annotation guidelines.
• Monitor model performance, confidence scores, and drift.
• Ensure secure processing of sensitive customer data.
Nice to Have
• Databricks
• MLflow
• Unity Catalog
• Databricks Workflows
• Model/Data Versioning
• LLM-assisted Classification
• Retrieval & Embedding Models
• Contact Center Analytics
• Property Management / Real Estate domain
Job Title: Senior Data Scientist / Machine Learning Engineer (NLP)
Location: Calabasas, CA / Las Vegas, NV (Onsite – 4 Days/Week)
Duration: 6 Months Contract
Work Authorization: USC, GC, and all valid EADs (No H1B, OPT, CPT)
Must-Have Skills
• 4–6+ years of Data Science / Machine Learning experience
• Production-grade NLP Classification Models
• Intent, Topic, Sentiment & Multi-label Classification
• Python, PySpark, SQL, Pandas
• Customer message/call transcript analytics
• Trend & Anomaly Detection
• Dataset labeling & annotation workflows
• Model evaluation (Precision, Recall, F1, Confusion Matrix)
• Model monitoring & Drift Detection
• PII-safe data processing
Responsibilities
• Build and deploy NLP models for customer communications.
• Develop intent, topic, and sentiment classification systems.
• Design scalable Python/PySpark data pipelines.
• Prepare and clean transcript/message datasets.
• Build anomaly detection and trend analysis models.
• Create high-quality labeled datasets and annotation guidelines.
• Monitor model performance, confidence scores, and drift.
• Ensure secure processing of sensitive customer data.
Nice to Have
• Databricks
• MLflow
• Unity Catalog
• Databricks Workflows
• Model/Data Versioning
• LLM-assisted Classification
• Retrieval & Embedding Models
• Contact Center Analytics
• Property Management / Real Estate domain
