To create any type of cards you have the main materialize guide:
link
I leave you the model of the letter you want using only Materialize and css
I leave you an image of how the result was:
<!--CARTA-->
<div class="row">
<div class="col s12 m6">
<div class="card white darken-1">
<div class="card-content white-text">
<span class="card-title black-text">Sept 19,2017</span>
</div>
<div class="card-action s12">
<!--N0TICIA 1-->
<div class="row">
<div class="col s12"></div>
<span class="col s3 grey-text hour">
<i class="tiny material-icons">watch_later</i> 19:11 pm
</span>
<div class="col s9">
<h5 class=" thumb">UX LEAD</h5>
<span class="links blue-text">Aerolab</span>
<span class="links grey-text"><i class="tiny material-icons">work</i> Full Time</span>
<span class="links grey-text"><i class="tiny material-icons">folder_open</i> Design</span>
<span class="links grey-text"><i class="tiny material-icons">location_on</i> Argentina,Buenos Aires</span>
</div>
</div>
<!--N0TICIA 2-->
<div class="row">
<div class="col s12"></div>
<span class="col s3 grey-text hour">
<i class="tiny material-icons">watch_later</i> 19:11 pm
</span>
<div class="col s9">
<h5 class=" thumb">QA ANALYST</h5>
<span class="links blue-text">Aerolab</span>
<span class="links grey-text"><i class="tiny material-icons">work</i> Full Time</span>
<span class="links grey-text"><i class="tiny material-icons">folder_open</i> Sys Admin</span>
<span class="links grey-text"><i class="tiny material-icons">location_on</i> Argentina,Buenos Aires</span>
</div>
</div>
</div>
</div>
</div>
</div>