AI-Powered Crypto Trading Bot Development

I'm seeking an experienced developer to create an AI-driven cryptocurrency trading bot for CoinBase. The bot should have a comprehensive data scrubbing, analyzing, and learning engine, able to operate in a sandbox environment where it can make real-time trades with a practice account. The bot should adjust its strategies based on performance before transitioning to live trades.

Key Requirements:
- The bot should analyze both historical and real-time market data.
- Utilizing Reinforcement Learning as the primary machine learning technique.
- Implementing a combination of scalping and swing trading strategies.
- The ability for the bot to learn and improve its performance over time.

Ideal Skills and Experience:
- Proven experience in developing trading bots.
- Strong understanding of machine learning, particularly reinforcement learning.
- Familiarity with scalping and swing trading strategies.
- Ability to create a bot that can effectively analyze extensive amounts of data.
- Experience working with CoinBase API.

An advanced interface with multiple features should be developed for monitoring and managing the bot. The bot should achieve specific ROI targets as a performance metric. The bot should focus on short-term trading strategies. The interface should include customizable dashboards for monitoring various data points. The user interface should support advanced customization features.