New Dashboard with Google Data Studio (Looker)

I am looking for a freelancer to develop a dashboard with Google Data Studio (Looker) for us. The dashboard should include data visualizations related to our client's marketing and sales activities within our platform. We need to integrate our own PostgreSQL database in order to access conversion data and relevant metrics from our own SaaS. We need to be able to track conversion rate, ROI, acquisition channels, referral coupons ranking and other useful metrics. The dashboard will need to be designed to be simple, intuitive, good looking (matching our brand's visual identity) and should enable our clientes to track the performance of our tools in real-time within the platform's Dashboard (the Looker graphs are embedded inside our SaaS). Experience with Google Data Studio (Looker) is necessary and preference will be given to those with demonstrable examples of successful projects.

I have full control and knowledge of our database and a lot of PostgreSQL queries that will help you to get the data needed in the graphs. What I need the most is the skills to create Looker Dashboards based on beautiful templates that delivers more data than the current graphs we have (see attachment).

Thank you for your interest.