Python Stock Price Prediction Demo

I'm in need of an expert Python developer who can build a comprehensive stock price prediction demo using both historical and real-time stock data. The project aims to focus on showcasing various prediction patterns within the domain of finance.

Key Requirements:
- Utilizing both historical data and real-time data to enhance accuracy and relevance of the predictions.
- Implementing multiple prediction models, particularly Linear Regression, Neural Networks and Decision Trees.
- Achieving high accuracy levels to exemplify the potential of the models in a real-world scenario.

Ideal Candidate:
- Proficient in Python programming, with a strong background in data analysis and machine learning.
- Previous experience in creating and deploying stock price prediction systems is highly preferred.
- Familiarity with both historical and real-time stock data, and the ability to efficiently implement and manage these datasets.

The project will serve as a proof-of-concept, aiming to demonstrate your skills in the domain and your capability to work with complex datasets and machine learning algorithms.