City of Philadelphia

Buyer requires a qualified consultant to provide technical support and staff assistance to maintain and enhance their stormwater billing database and associated applications. The database contains over 500,000 customer account records and interfaces with various other databases in the City. The system must process customer adjustment appeals, credit applications, and community program enrollments. Buyer needs expertise with ESRI products, Microsoft SQL Server, C#, ReactJS, and AWS technologies.

• 5/9/2025 - Pre-Proposal Meeting
• 5/16/2025 - Deadline for Questions
• 5/28/2025 - Response to Questions Posted
• 6/13/2025 - Proposal Due Date
• 6/27/2025 - Notice of Intent to Contract
• 10/1/2025 - Project Start

• Experience with ESRI products including ArcGIS Desktop, Server, Pro, and Python
• Proficiency with Microsoft Windows Server & SQL Server
• Development skills in Microsoft IIS, .NET Core and C#
• Experience with ReactJS
• AWS cloud platform expertise

• Maintain and enhance stormwater billing database containing 500,000+ customer records
• Develop and support customer adjustment appeals processing
• Provide technical expertise in stormwater credit application systems
• Maintain interfaces with other City databases
• Support online public stormwater map viewer
• Implement ReactJS frontend development
• Develop with ArcGIS and ESRI products
• Program in C# and .NET Core
• Utilize Microsoft SQL Server for database management
• Configure AWS cloud solutions