Sales Prediction through Linear Regression

I need a proficient data scientist with a strong understanding of linear regression and time series analysis to build a model from company sales data.

Key Requirements:
- Creation of a Linear Regression Model: The primary objective of the model will be to predict sales trends based on past data.
- Time Series Analysis: The model should effectively incorporate this to help me understand how sales are changing over time.

The ideal freelancer for this job would possess:
- Proven expertise in data science, particularly in building predictive models.
- Strong command of R, as the model should be developed in this language.
- Experience in working with time series data and analysis.

If you are confident in your data science skills, especially in the context of predictive sales modeling, I'd love to hear from you.