The following will output the title for job with the ID 40644 in PHP:
<?php
$results = @file_get_contents("http://www.jobs.cam.ac.uk/job/40644/?format=json");
if($results) {
$job = json_decode($results)->job;
echo "<p>".$job->title."</p>\n";
} else {
echo "<p>Unable to load job.</p>\n";
}
?>