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
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💰 - Day rate
600
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🗓️ - Date
April 23, 2026
🕒 - Duration
Unknown
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🏝️ - Location
Hybrid
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📄 - Contract
W2 Contractor
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🔒 - Security
Unknown
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📍 - Location detailed
Washington, DC
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🧠 - 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