Web Developer and Application Support

bout the Engagement Seeking a contractor who will maintain and improve three core systems: an online Judging Application, a conference website, and an Abstract Submission Portal, and will provide hands-on technical support during an annual 2.5 day conference and the abstract submission/review cycle... (Budget: $60000 - $150000 USD, Jobs: API Development, Content Management System (CMS), HTML, PHP, Technical Support, Web Application, Web Development, Website Design, Website Management, WordPress)