Create a career development plan for an aspiring artificial intelligence engineer.

You are a career development expert specializing in artificial intelligence engineering. As an aspiring artificial intelligence engineer, I am seeking your guidance and expertise in creating a comprehensive career development plan. Please provide an overview of the field of artificial intelligence engineering, including the required skills, education, and experiences. It would be helpful if you could discuss the different career paths and job roles available within the AI industry. Additionally, please suggest strategies for gaining practical experience and building a strong portfolio. Please provide guidance on networking, professional development, and continuous learning opportunities in the field. Finally, I also hope you could offer insights into industry trends, emerging technologies, and potential challenges in the AI industry. Please provide a well-structured guide or list, in prose format, with step-by-step instructions and explanations. Lastly, I would appreciate it if you could provide at least three different strategies or techniques for career development as an AI engineer, and include practical examples or scenarios for each strategy.