

Brillfy Technology Inc
Senior Data Scientist – ML & Operational Analytics(USC & GC)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Scientist – ML & Operational Analytics in Washington, DC (Hybrid). Contract length is W2 only, with a pay rate of "unknown." Requires 5+ years in production ML, strong Python, SQL, R skills, and experience with business stakeholders.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
600
-
🗓️ - Date
April 23, 2026
🕒 - Duration
Unknown
-
🏝️ - Location
Hybrid
-
📄 - Contract
W2 Contractor
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🔒 - Security
Unknown
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📍 - Location detailed
Washington, DC
-
🧠 - Skills detailed
#Classification #Time Series #SQL (Structured Query Language) #Data Quality #Model Validation #R #Data Engineering #Deployment #ML (Machine Learning) #BI (Business Intelligence) #Statistics #Azure #"ETL (Extract #Transform #Load)" #Data Science #Regression #Python #Datasets #IoT (Internet of Things) #Cloud
Role description
Job Title: Senior Data Scientist – ML & Operational Analytics
Location: Washington, DC (Hybrid – Local Preferred)
Job Type: Contract (W2 Only)
🚀 Role Overview:
We’re hiring a Senior Data Scientist to drive end-to-end ML solutions for real-world operational problems (NOT a BI/ETL role). You will work directly with business stakeholders to define problems, build models, and deploy production-ready solutions.
🔑 Must-Have Skills:
• 5+ years Data Science (hands-on, production ML)
• Strong in Python, SQL, R
• Experience building & deploying ML models (Regression, Classification, Time Series)
• End-to-end ownership: Problem → Data → Model → Deployment → Adoption
• Strong feature engineering + data quality + leakage prevention
• Solid foundation in statistics, inference, model validation
• Experience working directly with business stakeholders
💡 Nice to Have:
• Azure ML / Cloud ML deployment
• Utility / Energy / Infrastructure domain
• Optimization (Linear / Mixed Integer)
• Exposure to GenAI / Computer Vision
📌 Key Responsibilities:
• Build and deploy ML models on large-scale operational datasets
• Work with smart grid / IoT / structured + unstructured data
• Translate business problems into ML solutions
• Communicate insights to non-technical stakeholders
• Enhance and maintain existing models
❗ Important:
• Must have real production ML experience (not just modeling/research)
• Must be comfortable working with ambiguous business problems
• Not suitable for ETL/Data Engineering/BI-only profiles
📍 Interview Process:
• 2 Rounds (Technical + Management)
• Immediate hiring
Job Title: Senior Data Scientist – ML & Operational Analytics
Location: Washington, DC (Hybrid – Local Preferred)
Job Type: Contract (W2 Only)
🚀 Role Overview:
We’re hiring a Senior Data Scientist to drive end-to-end ML solutions for real-world operational problems (NOT a BI/ETL role). You will work directly with business stakeholders to define problems, build models, and deploy production-ready solutions.
🔑 Must-Have Skills:
• 5+ years Data Science (hands-on, production ML)
• Strong in Python, SQL, R
• Experience building & deploying ML models (Regression, Classification, Time Series)
• End-to-end ownership: Problem → Data → Model → Deployment → Adoption
• Strong feature engineering + data quality + leakage prevention
• Solid foundation in statistics, inference, model validation
• Experience working directly with business stakeholders
💡 Nice to Have:
• Azure ML / Cloud ML deployment
• Utility / Energy / Infrastructure domain
• Optimization (Linear / Mixed Integer)
• Exposure to GenAI / Computer Vision
📌 Key Responsibilities:
• Build and deploy ML models on large-scale operational datasets
• Work with smart grid / IoT / structured + unstructured data
• Translate business problems into ML solutions
• Communicate insights to non-technical stakeholders
• Enhance and maintain existing models
❗ Important:
• Must have real production ML experience (not just modeling/research)
• Must be comfortable working with ambiguous business problems
• Not suitable for ETL/Data Engineering/BI-only profiles
📍 Interview Process:
• 2 Rounds (Technical + Management)
• Immediate hiring






