Python & SQL – this is the technical foundation of everything
Data Pipeline & ETL/ELT experience
Modern Data Platform experience – Data lakes, Data Warehouse or Lakehouse Architecture
Specific Outcome This Position Will Produce: The specific outcome is to build a centralized, reliable, and AI-ready data infrastructure that ensures clean, automated, and trustworthy data flows across Potomac's systems to power their machine learning models and investment decisions.
Typical Day-to-Day:
Building and maintaining data pipelines, pulling data in from APIs, trading platforms, SaaS tools, and databases automatically
Cleaning and transforming data, making raw messy data reliable and usable through ETL/ELT processes
Managing the data lake/lakehouse, maintaining the central repository where all company data lives
Building ML-ready datasets, preparing clean structured data so machine learning models can run against it
Monitoring data quality, setting up alerts and automated checks to catch data issues before they cause problems
Collaborating with analytics and business teams, translating what the business needs into data solutions
Supporting BI dashboards and reporting, making sure downstream tools like Power BI or Tableau have reliable data feeding them
Improving the platform, continuously optimizing pipelines for speed, cost, and reliability
Years' Experience/Degree Requirements/Certification: BS in Computer Science, Data Engineering or related field with 4+ years of experience
Numbers & Facts
Location
Bethesda, MD
Skills
Application Programming Interface (API)unmatched
Artificial Intelligence (AI)unmatched
Business Intelligenceunmatched
Computer Scienceunmatched
Data Cleaningunmatched
Data Lakeunmatched
Data Managementunmatched
Data Qualityunmatched
Data Warehousingunmatched
Database Extract Transform and Load (ETL)unmatched
Machine Learningunmatched
Power BIunmatched
Python Programming/Scripting Languageunmatched
Quality Monitoringunmatched
Reporting Dashboardsunmatched
SQL (Structured Query Language)unmatched
Software as a Service (SaaS)unmatched
Structured Dataunmatched
Tableauunmatched
Trading Platformsunmatched
Training Data Setsunmatched
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