

Largeton Group
Database Developer (w/ GIS Experience)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Database Developer (w/ GIS Experience) with a contract length of "unknown," offering a pay rate of "unknown." Key skills include Oracle (11g, 19c), SQL, MS SQL Server, and ESRI GIS tools. Candidates must reside in DC, Maryland, or Virginia.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
July 10, 2026
🕒 - Duration
Unknown
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🏝️ - Location
Hybrid
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Washington, DC
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🧠 - Skills detailed
#Database Design #SQL Server #SQL (Structured Query Language) #Visualization #Agile #MS SQL (Microsoft SQL Server) #Oracle #Scrum #Project Management #Documentation #Databases #Triggers
Role description
Job Summary (Database Developer W/ GIS Experience)
• Support development and maintenance of a web-based Operational Support System (OSS) for telecommunications.
• Serve as a key Agile/Scrum team member responsible for maintaining and enhancing Oracle databases (11g and 19c).
• Migrate data and objects from Oracle 11g to Oracle 19c, ensuring continued functionality during the transition.
• Develop sophisticated SQL data models, triggers, and multi-step procedural SQL transactions.
• Create and visualize entity relationship diagrams and other data model representations.
• Integrate data from MS SQL Server and utilize ESRI GIS tools (ArcGIS Server, SDE, ArcGIS Pro) for geospatial visualization and advanced mapping/analysis.
• Coordinate across IT project management, engineering, QA, and risk management functions.
• Plan, coordinate, and monitor database-related project activities.
• Develop, implement, and enforce database design, development, and documentation standards and procedures.
• Provide training and technical guidance regarding system products and procedures.
• Perform application upgrades and maintenance tasks.
• Monitor and report on real-time database operations, communications, and graphical/logic applications.
• Troubleshoot and resolve database/system issues.
• Ensure projects follow district standards and procedures throughout the lifecycle.
• Hybrid work model: 4 days onsite in Washington, DC; 1 day remote per week.
• Candidates must be located in DC, Maryland, or Virginia.
• Must complete a pseudo-code assessment as part of the interview process.
Job Summary (Database Developer W/ GIS Experience)
• Support development and maintenance of a web-based Operational Support System (OSS) for telecommunications.
• Serve as a key Agile/Scrum team member responsible for maintaining and enhancing Oracle databases (11g and 19c).
• Migrate data and objects from Oracle 11g to Oracle 19c, ensuring continued functionality during the transition.
• Develop sophisticated SQL data models, triggers, and multi-step procedural SQL transactions.
• Create and visualize entity relationship diagrams and other data model representations.
• Integrate data from MS SQL Server and utilize ESRI GIS tools (ArcGIS Server, SDE, ArcGIS Pro) for geospatial visualization and advanced mapping/analysis.
• Coordinate across IT project management, engineering, QA, and risk management functions.
• Plan, coordinate, and monitor database-related project activities.
• Develop, implement, and enforce database design, development, and documentation standards and procedures.
• Provide training and technical guidance regarding system products and procedures.
• Perform application upgrades and maintenance tasks.
• Monitor and report on real-time database operations, communications, and graphical/logic applications.
• Troubleshoot and resolve database/system issues.
• Ensure projects follow district standards and procedures throughout the lifecycle.
• Hybrid work model: 4 days onsite in Washington, DC; 1 day remote per week.
• Candidates must be located in DC, Maryland, or Virginia.
• Must complete a pseudo-code assessment as part of the interview process.






