Simple CRM with Customer Support Focus

I'm looking for a freelance developer to build a straightforward CRM for me. This CRM's primary role will be aiding in customer support.

Requirements:

Develop a user-friendly CRM system for our call center agents
System should track customer interactions, issue resolution, and follow-ups
Include reporting capabilities for client performance metrics
Integrate with our telemarketing workflow for user reactivation campaigns
Must be accessible by multiple agents simultaneously
Should work with basic hardware and internet connectivity

Key Features:

Customer interaction logging (call details, issue type, resolution)
Agent performance tracking
Campaign management for user reactivation
Basic reporting and analytics
Simple, intuitive interface requiring minimal training

Technical Preferences:

Web-based solution preferred
Should be accessible on standard browsers
Secure login system with different access levels
Data export functionality for reporting

Timeline:

Expected development time: 4-6 weeks
Looking to implement as soon as possible

Budget:

Please provide your quote based on the requirements
Willing to discuss milestone-based payment structure

Qualified developers should share previous experience with CRM development, particularly for call centers or customer support operations. Experience with the gaming or fantasy sports industry is a plus.

Please bid if you can deliver a simple, functional, and user-friendly CRM.