Comprehensive AI Chatbot Development

I'm looking for an experienced professional to create an advanced AI chatbot platform. This chatbot should be comprehensively functional, offering both text and voice-based responses, catering to a wide-ranging audience.

Here are the specifics:

Functionality:
- The chatbot should have the capability to respond both via text and voice for comprehensive interaction. Exemplary expertise in Natural Language Processing (NLP) and Speech Recognition technology will be highly advantageous.

Sectors:
- The chatbot should be competent in understanding various sectors - commercial services, customer support, and functioning as a personal assistant for an all-rounded performance. A strong background in AI programming for various purposes will be beneficial.

Platform Compatibility:
- The chatbot should be highly compatible across multiple platforms - website, mobile app, and social media platforms. Proven proficiency in multiplatform AI integration is sought after.

Ideal freelancer should have a solid background in AI chatbot creation, with demonstrable experience in creating multiplatform, multitasking AI chatbots. Excited to have you on board!