High-Performance eBay Username Auto-Claimer Development

Developer Needed – eBay Username Auto-Claimer Tool
Project Overview

I'm looking for an experienced developer to build a high-performance eBay username auto-claimer. The tool should automate the process of checking username availability and attempting legitimate username changes through a user's own authenticated account.

Requirements
Strong experience with HTTP requests and APIs
Experience with reverse engineering web applications
Familiarity with session management, cookies, and authentication
Knowledge of concurrency and performance optimization
Python, Go, C#, or Rust preferred
Experience building reliable desktop or CLI applications
Desired Features
Fast username availability checking
Configurable monitoring interval
Support for authenticated user sessions
Automatic claim attempt when a desired username becomes available
Logging and status output
Proxy support (optional)
Simple configuration file
Cross-platform compatibility preferred
Bonus Skills
Experience with desktop GUI development
Knowledge of rate limiting and resilient networking
Familiarity with Docker deployment
Budget