We are a US / MA based agency seeking a Drupal development specialist for projects of various sizes (including global sites, multi-site systems, and Commerce sites). Much be proven Drupal expert, 5-10 Drupal 7 projects in your portfolio, expert level in custom module development, front-end theming and AJAX, responsive mobile optimization techniques, security hardening, advanced command line skills, API integration work, server admin and configuration (Nginx and Apache). Git experience required. Strong English written skills required. All of our projects are well specified, documented before hand-off for development. Skype or g-chat communication and 3-4 hour time-zone window of overlap (we are in NY time, i.e. GMT -5 hours) for IM is required.