Freelance Data Engineers in Charlotte
Freelance Data Engineers in Charlotte
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Roham Pourmehr
Huntersville, USA
Microsoft Fabric | Power BI | SQL | Data-Driven Strategies
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Microsoft Fabric | Power BI | SQL | Data-Driven Strategies
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End-to-End Microsoft Fabric Development
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13
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Automated Financial Statements in Power BI
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18
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Power BI Market Share Analysis Dashboard
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15
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Data Engineer
(1)
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Andres Perez
Charlotte, USA
Data Scientist | Analytics Engineer | Automation Specialist
New to Contra
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Data Scientist | Analytics Engineer | Automation Specialist
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Data Pipelines & Automation Example
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29
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Data Visualization Example
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19
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Machine Learning Example
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18
1
Data Dashboards
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24
Data Engineer
(1)
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Wayne Richard
Charlotte, USA
Senior Data Engineer | SQL, Snowflake, AI & Analytics
New to Contra
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Senior Data Engineer | SQL, Snowflake, AI & Analytics
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Co-built Insulintel through From Truck To Tech, LLC, an AI-powered application designed to turn complex health data into understandable, actionable insights. My work focused on the data and intelligence layer, including Snowflake data architecture, curated data models, business logic, verified queries, and Cortex-powered natural-language analytics. The project demonstrates taking a data and AI concept beyond a prototype into a working, user-facing product.
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Designed, built, and supported production ETL pipelines that integrated data from multiple operational systems into Snowflake. I used SQL, Matillion, APIs, and automated workflows to transform and validate data, implement quality checks and exception handling, monitor scheduled jobs, troubleshoot failures, and deliver reliable data for reporting and analytics.
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93
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Built an AI-powered analytics solution in Snowflake using Cortex to give business users natural-language access to trusted operational data. I created semantic models, verified queries, business rules, and curated views, then organized multiple Analysts under a single Agent so users could ask questions across different subject areas and receive governed, consistent answers.
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81
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Built data-quality and reconciliation processes to identify discrepancies across operational and reporting systems. Used SQL and Snowflake to trace records through source-to-target logic, isolate data issues, validate business rules, and create repeatable checks that improved confidence in downstream reporting.
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90
Data Engineer
(5)
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Michael Jeffreys
Charlotte, USA
Full stack engineer implementing original ideas
New to Contra
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Full stack engineer implementing original ideas
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Sonar Data Processing & Underwater Target Mapping
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2
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A FastAPI and React application for processing sonar data and mapping underwater targets. Includes GIS-based spatial analysis, target detection algorithms, and an interactive frontend for reviewing mapped results. Delivered with a PowerShell setup script for one-command environment provisioning and built to production-ready standards with a clean handoff-ready codebase. Stack: FastAPI · React · Python · GIS
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38
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Datacenter BIM Tool: 3D Infrastructure Planning
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5
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Fiber Optic Field Operations PWA (19,000 Lines)
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3
Data Engineer
(2)
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