AI Sentiment Analysis Model Development

I need an expert in AI, specifically in machine learning model development, to create a sentiment analysis model. The focus will be on processing and analyzing data.

Key Requirements:
- Develop a machine learning model for sentiment analysis.
- The model should process provided text data and deliver accurate sentiment classification.

Ideal Skills and Experience:
- Proficiency in machine learning algorithms.
- Experience with sentiment analysis tasks.
- Strong programming skills in Python or R.
- Familiarity with NLP libraries (like NLTK, SpaCy, or similar)
- Ability to work with the provided dataset.

Please include samples of prior work related to sentiment analysis in your bids.